Visit our website at: http://www.harborfreight.com
Email our technical support at: [email protected]
Email our engine support at: [email protected]
using an engine indoors
Can KiLL yOu in MinuTES.
Engine exhaust contains carbon monoxide.
This is a poison you cannot see or smell.
nEVEr use inside
a home or garage,
EVEn iF doors and
windows are open.
Only use OuTSiDE
and far away from
windows, doors,
and vents.
2650 PSI
2.4 GPM
GAS POWERED
PRESSURE
WASHER
71098
Owner’s Manual & Safety Instructions
Save This Manual Keep this manual for the safety warnings and precautions, assembly,
operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the
back of the manual (or month and year of purchase if product has no number). Keep this manual and the
receipt in a safe and dry place for future reference. 23k
When unpacking, make sure that the product is intact
and undamaged. If any parts are missing or broken,
please call 1-888-866-5797 as soon as possible.
Copyright
©
2023 by Harbor Freight Tools
®
. All rights reserved.
No portion of this manual or any artwork contained herein may be reproduced in
any shape or form without the express written consent of Harbor Freight Tools.
Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein.
Tools required for assembly and service may not be included.
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
Page 2 For equipment technical questions, please call 1-888-866-5797. Item 71098
Table of Contents
Specifications ...............................................................2
Safety ...........................................................................3
Setup ............................................................................7
Operation .....................................................................12
Maintenance ................................................................ 17
Troubleshooting ........................................................... 21
Parts Lists and Diagrams ............................................ 24
Warranties ................................................................... 30
Specifications
Pressure Washer Specifications
Pump Axial
Drive Direct
Maximum Pressure 2650 PSI
Flow Rate 2.4 GPM
Hose Length 25'
Wand Length 21"
Nozzles
Red: 0°
Yellow: 15°
Green: 25°
White: 40°
Black: Detergent
Engine Specifications
Displacement 196 cc
Engine Type
Horizontal Single Cylinder
4-stroke OHV
Cooling System Forced air cooled
Fuel
Type
87+ octane stabilizer treated
unleaded gasoline
Capacity 0.92 Gallon / 3.50 Liter
Engine Oil
Type SAE
10W-30 above 32° F
5W-30 at 32° F or below
Capacity 0.6 Quart (0.6 Liter)
Bore x Stroke 68 mm x 54 mm
Compression Ratio 8.5:1
Rotation viewed from PTO
(power takeoff - the output shaft)
Counterclockwise
Spark Plug
Type Torch
®
/LG
®
F6TC
Gap 0.0236" – 0.0315"
Valve Clearance
Intake 0.0039" – 0.0059"
Exhaust 0.0059" – 0.0078"
Speed
No Load 3800 RPM Max
Load 3500 RPM Max
The emissions control system for this Engine is warranted for standards set by the
U.S. Environmental Protection Agency. For warranty information, refer to the last pages of this manual.
Page 3For equipment technical questions, please call 1-888-866-5797.Item 71098
SaFETySETuPOPEraTiOnMainTEnanCE
WarninG SyMBOLS anD DEFiniTiOnS
This is the safety alert symbol. It is used to alert you to potential
personal injury hazards. Obey all safety messages that
follow this symbol to avoid possible injury or death.
Indicates a hazardous situation which, if not avoided,
will result in death or serious injury.
Indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
Indicates a hazardous situation which, if not avoided,
could result in minor or moderate injury.
Addresses practices not related to personal injury.
Symbol Definitions
Symbol Property or Statement
rPM
Revolutions Per Minute
HP
Horsepower
WARNING marking concerning
Risk of Eye Injury. Wear ANSI-approved
safety goggles with side shields.
Read the manual before
set-up and/or use.
WARNING marking concerning
Risk of Hearing Loss.
Wear hearing protection.
Symbol Property or Statement
WARNING marking concerning
Risk of Respiratory Injury.
Operate engine OUTSIDE and far away
from windows, doors, and vents.
WARNING marking concerning
Risk of Fire while handling fuel.
Do not smoke while handling fuel.
WARNING marking concerning
Risk of Fire.
Do not refuel while operating.
Keep flammable objects
away from engine.
WARNING marking concerning
Risk of Injection.
Do not direct water stream/nozzle at body.
iMPOrTanT SaFETy inSTruCTiOnS
WarninG! read all instructions.
Failure to follow all instructions listed below may result in fire, serious injury and/or DEaTH.
The warnings and precautions discussed in this manual cannot cover all possible conditions and
situations that may occur. It must be understood by the operator that common sense and caution
are factors which cannot be built into this product, but must be supplied by the operator.
SaVE THESE inSTruCTiOnS
Page 4 For equipment technical questions, please call 1-888-866-5797. Item 71098
SaFETy SETuP OPEraTiOn MainTEnanCE
Set up Precautions
1. Gasoline fuel and fumes are flammable, and
potentially explosive. Use proper fuel storage
and handling procedures. Do not store fuel
or other flammable materials nearby.
2. Have multiple ABC class fire extinguishers nearby.
3. Operation of this equipment may create sparks that
can start fires around dry vegetation.
A spark arrestor may be required. The operator
should contact local fire agencies for laws or
regulations relating to fire prevention requirements.
4. Set up and use only on a flat, level,
well-ventilated surface.
5. The work area should have adequate
drainage to reduce the possibility of
a fall due to slippery surfaces.
6. Wear ANSI-approved safety goggles, heavy-duty
work gloves, and dust mask/respirator during set up.
7. Use only lubricants and fuel recommended
in the Specifications chart of this manual.
8. Only use cold water or pressure washer
detergent in this tool. Do not use caustic
materials, solvents, flammable materials, or
detergents not designed for pressure washers.
Use of any such material can cause injury,
or damage this tool or personal property.
9. Do not dry run this product. Dry running
will cause serious damage to the seals.
Make sure the water supply used for the
Pressure Washer is not dirty or sandy.
10. Prior to starting the Pressure Washer in
cold weather, check all of the parts of the
unit to make sure ice has not formed. Do
not store the unit anywhere that the
temperature will fall below 32° F (0° C).
Operating Precautions
1. CarBOn MOnOXiDE HaZarD
using an engine indoors
Can KiLL yOu in MinuTES.
Engine exhaust contains
carbon monoxide. This is a poison
you cannot see or smell.
NEVER use inside a home or garage,
EVEN IF doors and windows are open.
Only use OUTSIDE and far away from windows,
doors, and vents.
2. Keep children away from the equipment,
especially while it is operating.
3. Parts of the Pressure Washer, especially
exhaust system components, get very hot
during use. Stay clear of hot parts.
4. Injection Hazard! The high pressure
water jet produced by this tool can cut
skin or cause injury to hands or eyes.
Do not allow spray to strike you and do
not spray toward people or animals. Do not spray
the tool itself or any electrical wiring/receptacle.
5. Do not carry the spray handle with your finger on
the trigger, whether engine is operating or not.
6. In case of an emergency during use, immediately
release the trigger on the spray handle, turn
the engine off and then shut off gas supply
to the engine. Do not set the spray handle
down without turning off the engine.
7. This Pressure Washer is intended for
outdoor residential use only.
8. The high pressure water flow can damage
the work surface if not used properly. Always
test the spray in an open area first.
9. When dispensing detergent, apply the detergent
to the cleaning area at low pressure only.
Detergent dispensing only works when the
spray wand is in the low-pressure position.
10. Keep all spectators at least six feet
from the Engine during operation.
11. Fire Hazard! Do not fill fuel tank while engine is
running. Do not operate if gasoline has been spilled.
Clean spilled gasoline before starting engine.
Do not operate near pilot light or open flame.
12. Do not touch engine during use.
Let engine cool down after use.
13. Do not leave the equipment unattended when it is
running. Turn off the equipment (and remove safety
keys, if available) before leaving the work area.
14. The equipment can produce high noise levels.
Prolonged exposure to noise levels
above 85 dBA is hazardous to hearing.
Wear ear protection when operating the equipment
or when working nearby while it is operating.
15. Wear ANSI-approved safety glasses
and hearing protection during use.
Page 5For equipment technical questions, please call 1-888-866-5797.Item 71098
SaFETySETuPOPEraTiOnMainTEnanCE
16. People with pacemakers should consult their
physician(s) before use. Electromagnetic fields in
close proximity to a heart pacemaker could cause
pacemaker interference or pacemaker failure.
Caution is necessary when near the
engine’s magneto or recoil starter.
17. Use only accessories that are recommended
by Harbor Freight Tools for your model.
Accessories that may be suitable for one
piece of equipment may become hazardous
when used on another piece of equipment.
18. Do not operate in explosive atmospheres,
such as in the presence of flammable
liquids, gases, or dust. Gasoline-powered
engines may ignite the dust or fumes.
19. Stay alert, watch what you are doing and use
common sense when operating this piece of
equipment. Do not use while tired or under the
influence of drugs, alcohol or medication.
20. Do not overreach. Keep proper footing and
balance at all times. This enables better control
of the equipment in unexpected situations.
21. Use this equipment with both hands only.
Using equipment with only one hand
can easily result in loss of control.
22. Dress properly. Do not wear loose clothing or
jewelry. Keep hair, clothing and gloves away
from moving parts. Loose clothes, jewelry or
long hair can be caught in moving parts.
23. Do not cover the engine or
equipment during operation.
24. Keep the equipment, engine, and
surrounding area clean at all times.
25. Do not smoke, or allow sparks, flames,
or other sources of ignition around the
equipment, especially when refuelling.
26. Use the equipment, accessories, etc., in
accordance with these instructions and in the
manner intended for the particular type of
equipment, taking into account the working
conditions and the work to be performed.
Use of the equipment for operations different from
those intended could result in a hazardous situation.
27. Do not operate the equipment with known
leaks in the engine’s fuel system.
28. When spills of fuel or oil occur, they must be
cleaned up immediately. Dispose of fluids and
cleaning materials as per any local, state, or
federal codes and regulations. Store oil rags in
a bottom-ventilated, covered, metal container.
29. Keep hands and feet away from moving parts. Do
not reach over or across equipment while operating.
30. Before use, check for misalignment or binding of
moving parts, breakage of parts, and any other
condition that may affect the equipment’s operation.
if damaged, have the equipment serviced
before using. Many accidents are caused
by poorly maintained equipment.
31. Use the correct equipment for the application.
Do not modify the equipment and do not use the
equipment for a purpose for which it is not intended.
Vibration Precautions
This tool vibrates during use. Repeated or
long-term exposure to vibration may cause
temporary or permanent physical injury,
particularly to the hands, arms and shoulders.
To reduce the risk of vibration-related injury:
1. Anyone using vibrating tools regularly or for an
extended period should first be examined by a
doctor and then have regular medical check-
ups to ensure medical problems are not being
caused or worsened from use. Pregnant women
or people who have impaired blood circulation
to the hand, past hand injuries, nervous system
disorders, diabetes, or Raynaud’s Disease should
not use this tool. If you feel any medical or
physical symptoms related to vibration (such as
tingling, numbness, and white or blue fingers),
seek medical advice as soon as possible.
2. Do not smoke during use. Nicotine reduces
the blood supply to the hands and fingers,
increasing the risk of vibration-related injury.
3. Wear suitable gloves to reduce the
vibration effects on the user.
4. Use tools with the lowest vibration when there
is a choice between different processes.
5. Include vibration-free periods each day of work.
6. Grip tool as lightly as possible (while still keeping
safe control of it). Let the tool do the work.
7. To reduce vibration, maintain the tool as
explained in this manual. If any abnormal
vibration occurs, stop use immediately.
Operating Precautions (continued)
Page 6 For equipment technical questions, please call 1-888-866-5797. Item 71098
SaFETy SETuP OPEraTiOn MainTEnanCE
Service Precautions
1. Before service, maintenance, or cleaning:
a. Turn the engine switch to its “OFF” position.
b. allow the engine to completely cool.
c. Then, remove the spark plug cap
from the spark plug.
2. Keep all safety guards in place and in
proper working order. Safety guards include
muffler, air cleaner, mechanical guards,
and heat shields, among other guards.
3. Do not alter or adjust any part of the
equipment or its engine that is sealed by the
manufacturer or distributor. Only a qualified
service technician may adjust parts that may
increase or decrease governed engine speed.
4. Wear ANSI-approved safety goggles,
heavy-duty work gloves, and
dust mask/respirator during service.
5. Keep the high pressure hose connected to
the pressure washer and spray gun while the
system is pressurized. Disconnecting the
pressure hose while the unit is pressurized
is dangerous, and may cause injury.
6. Do not allow the high pressure hose to come
in contact with any hot part of the unit. The
hose might be damaged, possibly causing
it to burst or leak under high pressure.
7. Maintain labels and nameplates on the equipment.
These carry important information.
If unreadable or missing, contact
Harbor Freight Tools for a replacement.
8. If water is leaking out of the Pressure Washer
immediately turn off the unit. Unplug the
Pressure Washer, and discharge all pressure
before tightening fittings or having repair
work done by a qualified technician.
9. When the engine is running, do not allow
the Pressure Washer to remain idle for more
than two minutes. If allowed to remain idle,
the water in the unit will heat up, possibly
causing damage to the Pressure Washer.
10. Have the equipment serviced by a qualified repair
person using only identical replacement parts.
This will ensure that the safety of the equipment
is maintained. Do not attempt any service or
maintenance procedures not explained in this
manual or any procedures that you are uncertain
about your ability to perform safely or correctly.
11. Store equipment out of the reach of children.
12. Follow scheduled engine and
equipment maintenance.
refueling:
1. Do not refill the fuel tank while the
engine is running or hot.
2. Do not smoke, or allow sparks, flames,
or other sources of ignition around the
equipment, especially when refuelling.
3. Do not fill fuel tank to the top.
Leave a little room for the fuel to expand as needed.
TO PrEVEnT FuEL LEaKaGE anD
FirE HaZarD, do not fill fuel above
the bottom of fuel strainer.
Max Fuel
DO nOT OVErFiLL!
4. Refuel in a well-ventilated area only.
5. Wipe up any spilled fuel and allow excess
to evaporate before starting engine.
To prevent FirE, do not start the engine
while the smell of fuel hangs in the air.
SaVE THESE inSTruCTiOnS.
Page 7For equipment technical questions, please call 1-888-866-5797.Item 71098
SaFETySETuPOPEraTiOnMainTEnanCE
Set up
read the EnTirE iMPOrTanT SaFETy inFOrMaTiOn section at the beginning of this manual
including all text under subheadings therein before set up or use of this product.
TO PrEVEnT SEriOuS inJury:
Operate only with proper spark arrestor installed.
Operation of this equipment may create sparks that can start fires around dry vegetation.
a spark arrestor may be required.
The operator should contact local fire agencies for laws or regulations
relating to fire prevention requirements.
TO PrEVEnT SEriOuS inJury FrOM aCCiDEnTaL STarTinG: Turn the Power Switch
of the equipment to its “OFF” position, wait for the engine to cool, and unplug the spark
plug wire(s) before assembling or making any adjustments to the equipment.
note: For additional information regarding the parts listed in the following pages,
refer to the Assembly Diagrams near the end of this manual.
assembly
1. Attach Knob Assemblies (18)
to Frame (13) using Bolts (19),
Washers (20) and Nuts (21).
2. Attach Handle (24) to Knob
Assemblies using Bolts (19),
Washers (20) and Nuts (21).
3. Attach Spray Gun Holder (26)
using Knob (38).
4. Attach Pressure Hose
Hook (23) using Knob (38).
Spray Gun
Holder (26)
Pressure Hose
Hook (23)
Handle
(24)
Knobs
(38)
Bolt
(19)
Washer
(20)
Knob
assembly
(18)
Frame (13)
nut
(21)
Page 8 For equipment technical questions, please call 1-888-866-5797. Item 71098
SaFETy SETuP OPEraTiOn MainTEnanCE
5. Connect Pressure Hose to Pump’s
Outlet and firmly hand-tighten.
6. Connect Pressure Hose to Spray Gun Handle
and firmly hand-tighten.
7. Remove protective cap on Wand Inlet.
Insert Wand into Spray Gun Outlet
and firmly hand-tighten.
8. Attach Nozzle to Wand by pulling back
quick-connect collar and pushing Nozzle
onto Wand. Make sure quick-connect
collar locks Nozzle in place.
9. Connect water supply hose to Pump’s Inlet and
firmly hand-tighten.
note: The water source must be able to provide
a minimum of five gallons of clean, cold water per
minute at 20 PSI. Only use a 5/8" inner diameter
(or larger) hose that is rated to meet this capacity.
Spray Gun
Outlet
Wand
inlet
Quick Connect
Collar
Wand
nozzle
Water
Supply
Hose
inlet
assembly (continued)
Page 9For equipment technical questions, please call 1-888-866-5797.Item 71098
SaFETySETuPOPEraTiOnMainTEnanCE
Components and Controls
Water
inlet
Water
Outlet
Thermal
relief Valve
Trigger
Lock
Trigger
Pressure
Hose
Pump
Spray
Gun
nozzles
Wand
Engine
Detergent
Tank Lid
Page 10 For equipment technical questions, please call 1-888-866-5797. Item 71098
SaFETy SETuP OPEraTiOn MainTEnanCE
Engine Controls
Starter
Handle
Oil Drain Plug
air Filter
Fuel Cap
Fuel Valve
Choke
Engine
Switch
Muffler
Oil Cap/Dipstick
Page 11For equipment technical questions, please call 1-888-866-5797.Item 71098
SaFETySETuPOPEraTiOnMainTEnanCE
High altitude Operation above 3000 feet
WarninG! TO PrEVEnT SEriOuS inJury FrOM FirE:
Follow instructions in a well-ventilated area away from ignition sources.
If the engine is hot from use, shut the engine off and wait for it to cool before proceeding. Do not smoke.
nOTiCE: Warranty void if necessary adjustments are not made for high altitude use.
At high altitudes, the engine’s carburetor, governor (if so equipped), and any other parts that control the fuel-air
ratio will need to be adjusted by a qualified mechanic to allow efficient high-altitude use and to prevent damage
to the engine and any other devices used with this product. The fuel system on this engine may be influenced by
operation at higher altitudes. Proper operation can be ensured by installing an altitude kit at altitudes higher than
3000 ft. above sea level. At elevations above 8000 ft, the engine may experience decreased performance, even
with the proper main jet. Operating this engine without the proper altitude kit installed may increase the engine’s
emissions and decrease fuel economy and performance. The kit should be installed by a qualified mechanic.
1. Turn off the engine.
2. Close the fuel valve.
3. Place a bowl under the fuel cup to catch any spilled fuel.
CauTiOn! Carburetor bowl may have gas in it which will leak upon removing the bolt.
4. Unthread the bolt holding the fuel cup.
5. Remove the bolt, Bolt Seal, fuel cup, Fuel Cup Seal and Main Jet from the body of the carburetor assembly.
A carburetor screwdriver (not included) is needed to remove and install the Main Jet.
note: The mixing tube is held in place by the Main Jet and might fall out when it is removed.
If it falls out, replace it in the same orientation before replacing the Main Jet.
6. Replace the Main Jet with the replacement Main Jet needed for your altitude range (part 1a or 2a).
note: The Fuel Cup Seal and Bolt Seal may be damaged during removal
and should be replaced with the new ones from the kit.
7. Replace the Fuel Cup Seal (4a), fuel cup, Bolt Seal (3a), and bolt. Tighten in place.
nOTiCE: Do not cross thread bolt when tightening.
Finger tighten first and then use a wrench to make sure the bolt is properly threaded.
8. Wipe up any spilled fuel and allow excess to evaporate
before starting engine. To prevent FIRE, do not start the
engine while the smell of fuel hangs in the air.
High altitude Kit Parts List - a
Part Description Qty
1a Main Jet 3000-6000 ft. 1
2a Main Jet 6000-8000 ft. 1
3a Bolt Seal 2
4a Fuel Cup Seal 2
Carburetor
assembly
Main Jet
Fuel Cup Seal
Mixing Tube
(might remain
inside carburetor)
Fuel Cup
Bolt Seal
Bolt
Page 12 For equipment technical questions, please call 1-888-866-5797. Item 71098
SaFETy SETuP OPEraTiOn MainTEnanCE
Operation
read the EnTirE iMPOrTanT SaFETy inFOrMaTiOn section at the beginning of this manual
including all text under subheadings therein before set up or use of this product.
Pre-Start Checks
Inspect engine and equipment looking for damaged, loose, and missing parts before set up and starting.
If any problems are found, do not use equipment until fixed properly.
Checking and Filling Engine Oil
nOTiCE: your Warranty is VOiD if the engine’s
crankcase is not properly filled with oil before
each use. Before each use, check the oil level.
Engine will not start with low or no engine oil.
1. Make sure the engine is stopped and is level.
2. Close the Fuel Valve.
3. Clean the top of the Dipstick and the area around it.
Remove the Dipstick by turning it counterclockwise,
and wipe it off with a clean, lint free rag.
4.
Full level
Full level
Reinsert the Dipstick without threading it in and
remove it to check the oil level. The oil level
should be up to the full level as shown above.
5. If the oil level is at or below the low mark add the
appropriate type of oil until the oil level is at the
proper level. SAE 10W-30 oil is recommended for
general use. (The SAE Viscosity Grade chart on
page 18 in the Maintenance section shows other
viscosities to use in different average temperatures.)
6. Thread the dipstick back in clockwise.
nOTiCE: Do not run the engine with too little oil.
Engine will shut off if engine oil level is too low.
Checking and Filling Fuel
WarninG! TO PrEVEnT SEriOuS
inJury FrOM FirE:
Fill the fuel tank in a well-ventilated area
away from ignition sources. If the engine
is hot from use, shut the engine off and
wait for it to cool before adding fuel. Do not smoke.
1. Clean the Fuel Cap and the area around it.
2. Unscrew and remove the Fuel Cap.
3. Remove the Strainer and remove any dirt
and debris. Then replace the Strainer.
note: Do not use gasoline containing more than
10% ethanol (E10). Do not use E85 ethanol.
note: Do not use gasoline that has been stored in a
metal fuel container or a dirty fuel container. it can
cause particles to enter the carburetor, affecting
engine performance and/or causing damage.
4. If needed, fill the Fuel Tank to about 1 inch under
the fill neck of the Fuel Tank with 87 octane or
higher unleaded gasoline that has been treated
with a fuel stabilizer additive. Follow fuel stabilizer
manufacturer’s recommendations for use.
5. Then replace the Fuel Cap.
6. Wipe up any spilled fuel and allow excess
to evaporate before starting engine.
To prevent FIRE, do not start the engine
while the smell of fuel hangs in the air.
Page 13For equipment technical questions, please call 1-888-866-5797.Item 71098
SaFETySETuPOPEraTiOnMainTEnanCE
Starting the Engine
Before Starting the Engine
a. inspect the equipment and engine.
b. Fill the engine with the proper amount and type of
both stabilizer-treated unleaded gasoline and oil.
c. Turn On WaTEr SuPPLy, rEMOVE nOZZLE, POinT WanD in SaFE DirECTiOn, anD HOLD
DOWn TriGGEr unTiL aLL air iS rELEaSED FrOM THE SySTEM, aT LEaST 30 SECOnDS.
Then release the Trigger, lock it in the safety position and replace nozzle before starting engine.
Manual Start
1. To start a cold engine, move the Choke to the
START position.
To restart a warm engine, leave the
Choke in the RUN position.
2. Open the Fuel Valve.
3. Turn the Engine Switch on.
note: If engine does not start, check engine oil level.
Engine will not start with low or no engine oil.
4. Grip the Starter Handle of the Engine loosely and pull
it slowly two times to allow the gasoline to flow into
the Engine’s carburetor. Then pull the Starter Handle
gently until resistance is felt. Allow Cable to retract fully
and then pull it quickly. Repeat until the engine starts.
note: Do not let the Starter Handle snap back against the engine.
Hold it as it recoils so it doesn't hit the engine.
1
2
On
OFF
O
i
On
3
4
Page 14 For equipment technical questions, please call 1-888-866-5797. Item 71098
SaFETy SETuP OPEraTiOn MainTEnanCE
5. Allow the Engine to run for several seconds.
Then, if the Choke lever is in the START position,
move the Choke Lever very slowly to its RUN position.
note: Moving the Choke Lever too
fast could stall the engine.
Break-in Period:
The maintenance break-in period will last about 20 hours of use.
• Change the engine oil after this period.
Under normal operating conditions subsequent maintenance follows
the schedule explained in the MAINTENANCE section.
5
Starting the Engine (continued)
Page 15For equipment technical questions, please call 1-888-866-5797.Item 71098
SaFETySETuPOPEraTiOnMainTEnanCE
Pressure Washer Operation
WarninG
Do not direct spray from the Pressure Washer at a
person or an animal.
The water stream could cause serious injury.
CauTiOn
use the Pressure Washer only on surfaces
able to withstand the force of the spray.
1. Choose the Nozzle that best meets the needs of
the job. See Chart below. Only use the Nozzles
on surfaces capable of withstanding the force of
the spray. Only use the Black Nozzle when using
pressure washer detergent. The power of the
other Nozzles will propel mist back at the operator
and can embed detergent into the surface.
nOZZLE SELECTiOn CHarT
nOZZLE uSE FOr
Red – 0° Pencil
Intense cleaning for stubborn
stains and dirt. Use only on
hard surfaces – can damage
concrete, wood, paint, etc.
Yellow – 15° Narrow
Heavy cleaning for
decks and siding.
Green – 25° Medium
Standard cleaning for
driveways and paint removal.
White – 40° Wide
Moderate cleaning for
autos and boats.
Black – Low Pressure
Use with pressure
washer detergent.
2. Pull back the quick connect collar and push the
Nozzle onto the end of the Wand. Make sure the
quick connect collar locks the Nozzle in place.
if using detergent:
Read detergent directions. Only use detergents
specified for use with pressure washers. Open
the Detergent Tank Lid, fill Detergent Tank with
prepared detergent solution and close the Lid. The
Pressure Washer will draw one gallon of detergent
for every seven gallons of water. Only use the Black
(low pressure) Nozzle when spraying detergents.
3. With water supply on and Engine running
following directions in Starting the Engine
on page 13, unlock and hold down the
Trigger to start the stream. Be aware that
when it is first started, the gun will kick.
4. Start with a low pressure Nozzle, and gradually
use higher pressures as needed. Test spray the
edge of the surface to be cleaned first to make sure
that the stream is not too strong for the surface.
If the stream damages the surface, move further
away from the surface being cleaned to reduce the
pressure being applied to the surface. If the stream
is still too strong, lock the Trigger in the safety
position and change to a lower pressure Nozzle.
5. Hold the Wand at about a 45° angle when
cleaning; spraying the surface directly could
embed dirt into the surface (especially with
the high pressure Nozzles). Spray at a
distance of about three to five feet.
6. Clean vertical and sloped surfaces
from the top down.
7. When cleaning horizontal surfaces, occasionally
use the stream to clear the area of excess water.
CauTiOn! Do not allow the Pressure Washer
to idle without the Trigger held down for more than
two minutes. The water will heat up and damage the
Pressure Washer. riSK OF BurnS! The Pump
will expel very hot water if allowed to idle too long.
note: During normal operation the Thermal Relief Valve
may release small amounts of water intermittently.
8. Hold the Trigger down and move the Wand back
and forth slowly and steadily to pressure wash the
surface. Take special care when spraying surfaces
made of two different materials (brick and mortar,
for example), so as to not damage the softer of
the two materials during pressure washing.
9. If the surface is streaked or uneven at the end
of a job, switch to a Nozzle that has a wider
spray pattern to blend the affected area.
Page 16 For equipment technical questions, please call 1-888-866-5797. Item 71098
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Stopping the Engine and Pressure Washer
1. To stop the engine in an emergency,
turn the Engine Switch off.
2. Under normal conditions, use the following procedure:
a. Close the Fuel Valve.
b. Release the Trigger on the Spray Gun handle
and wait for the Engine to shut down.
c. Turn the Engine Switch off.
d. Turn the water supply off.
3. Squeeze the Trigger to release excess pressure.
4. If pressure washer detergent has been used,
run clean water through the system to eliminate
detergent residue using the following procedure:
a. Turn off the Engine as detailed in step 2.
b. Fill the Detergent Tank with clean water.
c. Remove the Nozzle and restart the
Engine following directions in Starting
the Engine on page 13.
d. Point Wand in safe direction and hold down
Trigger to flush water through system until clean.
e. Turn off the Engine as detailed in step 2.
Folding and Storing
1. Disconnect the water supply hose from the
water inlet connection on the Pump.
2. Drain all water out of the Pressure Washer and lock
the Trigger. Clean external parts with clean cloth.
3. Disconnect the Pressure Hose from the Pump
and Spray Gun. Drain water from Hose.
4. Loosen the nut and remove the
Wand from the Spray Gun.
5. Loosen Handle Knobs, fold Handle forward to a
horizontal position and tighten the Handle Knobs.
6. Hang the Spray Gun from the Spray Gun Holder.
Hang the Hose on the Hose Hook.
7. Store the equipment indoors out of children’s reach.
Handle Knobs
NOTICE
Drain fuel at end of season or warranty is void.
See Long-Term Storage on page 20 for complete storage instructions.
O
i
OFF
Page 17For equipment technical questions, please call 1-888-866-5797.Item 71098
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Maintenance
WarninG
TO PrEVEnT SEriOuS inJury FrOM aCCiDEnTaL STarTinG:
Turn the Power Switch of the equipment to its “OFF” position, wait for the engine to cool, and disconnect
the spark plug cap before performing any inspection, maintenance, or cleaning procedures.
TO PrEVEnT SEriOuS inJury FrOM EQuiPMEnT FaiLurE:
Do not use damaged equipment. if abnormal noise, vibration, or excess
smoking occurs, have the problem corrected before further use.
Follow all service instructions in this manual. The engine may fail critically if not serviced properly.
Many maintenance procedures, including any not detailed in this manual, will need to be performed
by a qualified technician for safety. if you have any doubts about your ability to safely service the
equipment or engine, have a qualified technician service the equipment instead.
Cleaning, Maintenance, and Lubrication Schedule
note: This maintenance schedule is intended solely as a general guide. If performance decreases or if
equipment operates unusually, check systems immediately. The maintenance needs of each piece of equipment
will differ depending on factors such as duty cycle, temperature, air quality, fuel quality, and other factors.
note: The following procedures are in addition to the regular checks and maintenance
explained as part of the regular operation of the engine and equipment.
Procedure
Before
Each use
Monthly or
every 20
hr. of use
Every 3 mo. or
50 hr. of use
Every 6 mo. or
100 hr. of use
yearly or
every 300
hr. of use
Every
2 years
Brush off outside of engine
Check engine oil level
Check air cleaner
Check sediment cup
Change engine oil
Clean/replace air filter
*
Check and clean spark plug
1. Check/adjust idle speed
2. Check/adjust valve clearance
3. Clean fuel tank, strainer
and carburetor
4. Clean carbon build-up from
combustion chamber
** **
Replace fuel line if necessary
**
*Service more frequently when used in dusty areas. **These items should be serviced by a qualified technician.
Page 18 For equipment technical questions, please call 1-888-866-5797. Item 71098
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Checking and Filling Fuel
WarninG! TO PrEVEnT SEriOuS
inJury FrOM FirE:
Fill the fuel tank in a well-ventilated area
away from ignition sources. If the engine is
hot from use, shut the engine off and wait
for it to cool before adding fuel. Do not smoke.
1. Clean the Fuel Cap and the area around it.
2. Unscrew and remove the Fuel Cap.
3. Remove the Strainer and remove any dirt
and debris. Then replace the Strainer.
note: Do not use gasoline containing more than
10% ethanol (E10). Do not use E85 ethanol.
note: Do not use gasoline that has been stored in a
metal fuel container or a dirty fuel container. it can
cause particles to enter the carburetor, affecting
engine performance and/or causing damage.
4. If needed, fill the Fuel Tank to about 1 inch under
the fill neck of the Fuel Tank with 87 octane or
higher unleaded gasoline that has been treated
with a fuel stabilizer additive. Follow fuel stabilizer
manufacturer’s recommendations for use.
5. Then replace the Fuel Cap.
6. Wipe up any spilled fuel and allow excess
to evaporate before starting engine.
To prevent FIRE, do not start the engine
while the smell of fuel hangs in the air.
Pump Maintenance
The Pressure Washer Pump is maintenance free.
If any sign of oil leakage is present on or around
the Pump, DO NOT operate the Pressure Washer.
Have the unit serviced by a qualified technician.
Engine Oil Change
CauTiOn! Oil is very hot during operation and can
cause burns. Wait for engine to cool before changing oil.
1. Make sure the engine is stopped and is level.
2. Close the Fuel Valve.
3. Place a drain pan (not included) underneath
the crankcase’s drain plug.
4. Remove the drain plug and, if possible,
tilt the crankcase slightly to help drain
the oil out. Recycle used oil.
5. Replace the drain plug and tighten it.
6. Clean the top of the Dipstick and the area around it.
Remove the Dipstick by turning it counterclockwise,
and wipe it off with a clean, lint free rag.
7.
Full level
Full level
Add the appropriate type of oil until the oil level is at
the full level. SAE 10W-30 oil is recommended for
general use.
The SAE Viscosity Grade chart shows other
viscosities to use in different average temperatures.
10W-30
30
5W-30
-20 0 20 40 60 80 100°F
SaE Viscosity Grades
average outdoor temperature
8. Thread the dipstick back in clockwise.
nOTiCE: Do not run the engine with too little oil.
Engine will not start with low or no engine oil.
Page 19For equipment technical questions, please call 1-888-866-5797.Item 71098
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Spark Plug Maintenance
1.
Spark
Plug
Cap
Disconnect spark plug cap from end of plug.
Clean out debris from around spark plug.
2. Using a spark plug wrench, remove the spark plug.
3. Inspect the spark plug:
If the electrode is oily, clean it using a clean, dry rag.
If the electrode has deposits on it, polish it using
emery paper. If the white insulator is cracked or
chipped, the spark plug needs to be replaced.
Use spark plug specified in Specifications chart.
nOTiCE: Using an incorrect spark plug
may damage the engine.
4. When installing a new spark plug,
adjust the plug’s gap to the specification on the
Specifications chart. Do not pry against the
electrode, the spark plug can be damaged.
5. Install the new spark plug or
the cleaned spark plug into the engine.
• Gasket-style:
Finger-tighten until the gasket
contacts the cylinder head,
then tighten about 1/2-2/3 turn more.
• non-gasket-style:
Finger-tighten until the plug
contacts the cylinder head,
then tighten about 1/16 turn more.
nOTiCE: Tighten the spark plug properly.
if loose, the spark plug will cause the
engine to overheat.
if overtightened, the threads in the
engine block will be damaged.
6. Apply dielectric spark plug boot protector
(not included) to the end of the spark plug
and reattach the wire securely.
air Filter Maintenance
1. Remove the Air Cleaner Cover and the air filter(s)
and check for dirt. Clean as described below.
2. Cleaning:
• For paper filters:
To prevent injury from dust and debris,
wear ANSI-approved safety goggles,
NIOSH-approved dust mask/respirator, and
heavy-duty work gloves. In a well-ventilated
area away from bystanders, use pressurized
air to blow dust out of the filter. If this does not
get the filter clean, replace it.
• For foam filters:
Wash the filter in warm water and mild
detergent several times. Rinse. Squeeze out
excess water and allow it to dry completely.
Soak the filter in lightweight oil briefly,
then squeeze out the excess oil.
3. Install the cleaned filter(s). Secure the
Air Cleaner Cover before use.
Page 20 For equipment technical questions, please call 1-888-866-5797. Item 71098
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Long-Term Storage
When the equipment is to remain idle longer than 20 days,
prepare the Engine and Pump for storage as follows:
1. CLEaninG:
Wait for Engine to cool, then clean Engine with
dry cloth. nOTiCE: Do not clean using water.
The water will gradually enter the Engine
and cause rust damage. Apply a thin coat
of rust preventive oil to all metal parts.
2. FuEL:
Gasoline Treatment / Draining the Fuel Tank
• To protect the Fuel Tank during storage,
fill the tank with fresh gasoline that has
been treated with a fuel stabilizer additive.
Follow fuel stabilizer manufacturer’s
recommendations for use. Refer to
Checking and Filling Fuel on page 18.
• Aged gasoline that has not been treated with
stabilizer ahead of time must be safely drained
away and not run through the Engine.
WarninG! TO PrEVEnT SEriOuS
inJury FrOM FirE:
Drain the Fuel Tank in a well-ventilated
area away from ignition sources. If the
engine is hot from use, shut the engine off
and wait for it to cool before adding fuel.
Do not smoke.
Draining the Carburetor
• After closing the Fuel Valve, place an
appropriate container under the Carburetor
and carefully remove the Drain Bolt
from the bottom of the Carburetor Bowl,
allowing the fuel to drain completely.
Replace the Drain Bolt after draining.
WarninG! To prevent serious
injury and fire, close the Fuel Valve
before draining the Carburetor.
3. LuBriCaTiOn:
a. Change engine oil.
b. Clean out area around spark plug.
Remove spark plug and pour one tablespoon of
engine oil into cylinder through spark plug hole.
c. Replace spark plug, but leave
spark plug cap disconnected.
d. Pull Starter Handle to distribute oil in cylinder.
Stop after one or two revolutions when you
feel the piston start the compression stroke
(when you start to feel resistance).
4. PuMP PrEParaTiOn:
a. Disconnect the Pressure Hose and
water supply hose from the Pump.
b. Connect a short length of garden hose
with a male hose connector on one end
to the Pump’s water inlet connection.
c. Use a funnel to add approximately six
ounces of RV antifreeze to the Pump.
nOTiCE: use only rV antifreeze.
Other types of antifreeze are corrosive
and can damage Pump.
d. With spark plug cap disconnected and
Engine switch in OFF position, pull Starter
Handle several times until antifreeze begins
to come out of Pump outlet fitting.
e. Remove garden hose from Pump.
5. STOraGE arEa:
Cover and store in a dry, level, well-ventilated
area out of reach of children. Storage area should
also be away from ignition sources, such as
water heaters, clothes dryers, and furnaces.
6. EVEry 3 MOnTHS, TO PrOTECT EnGinE
anD WarranTy COVEraGE:
a. Safely drain antifreeze, and dispose of properly.
b. Connect Pressure Hose and water supply hose.
c. Turn on water supply, remove nozzle, point
wand in safe direction, and hold down trigger
until all air is released from the system,
at least 30 seconds. Then release the
Trigger, lock it in the safety position and
replace Nozzle before starting engine.
d. Discharge nozzle in safe direction and
run engine for 15 – 20 minutes or the
Warranty is VOID. Turn off engine.
e. Discharge nozzle in safe direction, and
then disconnect hoses and drain water.
f. Connect a short length of garden hose
with a male hose connector on one end
to the Pump’s water inlet connection.
g. Use a funnel to add approximately six
ounces of RV antifreeze to the Pump.
nOTiCE: use only rV antifreeze.
Other types of antifreeze are corrosive
and can damage Pump.
7. aFTEr STOraGE:
a. Before starting the Engine during or after
storage, keep in mind that untreated gasoline
will deteriorate quickly. Drain the Fuel
Tank and change to fresh fuel if untreated
gasoline has been sitting for a month, if
treated gasoline has been sitting beyond the
fuel stabilizer’s recommended time period,
or if the Engine does not start.
b. With spark plug cap disconnected and
Engine switch in OFF position, pull
Starter Handle several times to discharge
antifreeze out of the Pump outlet fitting
before using Pressure Washer.
Page 21For equipment technical questions, please call 1-888-866-5797.Item 71098
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Troubleshooting
Problem Possible Causes Probable Solutions
Engine will not start FUEL RELATED:
1. No fuel in tank or fuel valve closed.
2. Choke not in START position, cold engine.
3. Gasoline with more than 10% ethanol used.
(E15, E20, E85, etc.)
4. Low quality or deteriorated, old gasoline.
5. Carburetor not primed.
6. Dirty fuel passageways.
7. Carburetor needle stuck.
Fuel can be smelled in the air.
8. Too much fuel in chamber. This can be caused
by the carburetor needle sticking.
9. Clogged Fuel Filter.
FUEL RELATED:
1. Fill fuel tank with fresh 87+ octane unleaded
stabilizer-treated gasoline and open fuel valve.
Do not use gasoline with more than
10% ethanol (E15, E20, E85, etc.).
2. Move Choke to START position.
3. Clean out ethanol rich gasoline from fuel
system. Replace components damaged by
ethanol. Use fresh 87+ octane stabilizer-
treated unleaded gasoline only.
Do not use gasoline with more than
10% ethanol (E15, E20, E85, etc.).
4. Drain existing fuel following procedures in
Long-Term Storage on page 20, then
use fresh 87+ octane stabilizer-treated
unleaded gasoline.
Do not use gasoline with more than
10% ethanol (E15, E20, E85, etc.).
5. Pull on Starter Handle to prime.
6. Clean out passageways using fuel additive.
Heavy deposits may require further cleaning.
7. Gently tap side of carburetor float
chamber with screwdriver handle.
8. Turn Choke to RUN position. Remove
spark plug and pull the start handle several
times to air out the chamber. Reinstall
spark plug and set Choke to START position.
9. Replace Fuel Filter.
IGNITION (SPARK) RELATED:
1. Engine Switch in OFF position.
2. Spark plug cap not connected securely.
3. Spark plug electrode wet or dirty.
4. Incorrect spark plug gap.
5. Spark plug cap broken.
6. Incorrect spark timing or faulty ignition system.
IGNITION (SPARK) RELATED:
1. Turn Engine Switch to ON position.
2. Connect spark plug cap properly.
3. Clean spark plug.
4. Correct spark plug gap.
5. Replace spark plug cap.
6. Have qualified technician diagnose/
repair ignition system.
COMPRESSION RELATED:
1. Cylinder not lubricated.
Problem after long storage periods.
2. Loose or broken spark plug.
(Hissing noise will occur
when trying to start.)
3. Loose cylinder head or damaged head gasket.
(Hissing noise will occur when trying to start.)
4. Engine valves or tappets mis-adjusted or stuck.
ENGINE OIL RELATED:
1. Low engine oil.
2. Engine mounted on slope,
triggering low oil shutdown.
COMPRESSION RELATED:
1. Pour tablespoon of oil into spark plug
hole. Crank engine a few times
and try to start again.
2. Tighten spark plug.
If that does not work, replace spark plug.
If problem persists, may have head
gasket problem, see #3.
3. Tighten head.
If that does not remedy problem,
replace head gasket.
4. Have qualified technician adjust/
repair valves and tappets.
ENGINE OIL RELATED:
1. Fill engine oil to proper level.
Check engine oil before EVERY use.
2. Operate engine on level surface.
Check engine oil level.
Follow all safety precautions whenever diagnosing or servicing the equipment or engine.
Page 22 For equipment technical questions, please call 1-888-866-5797. Item 71098
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Problem Possible Causes Probable Solutions
Engine misfires 1. Spark plug cap loose.
2. Incorrect spark plug gap or
damaged spark plug.
3. Defective spark plug cap.
4. Old or low quality gasoline.
5. Incorrect compression.
1. Check wire connections.
2. Re-gap or replace spark plug.
3. Replace spark plug cap.
4. Use only fresh 87+ octane stabilizer-treated
unleaded gasoline.
Do not use gasoline with more than
10% ethanol (E15, E20, E85, etc.).
5. Diagnose and repair compression.
(Use Engine will not start:
COMPrESSiOn rELaTED section.)
Engine stops
suddenly
1. Fuel tank empty or full of impure or low quality
gasoline.
2. Low oil shutdown.
3. Defective fuel tank cap creating vacuum,
preventing proper fuel flow.
4. Faulty magneto.
5. Disconnected or improperly
connected spark plug cap.
1. Fill fuel tank with fresh 87+ octane stabilizer-
treated unleaded gasoline.
Do not use gasoline with more than
10% ethanol (E15, E20, E85, etc.).
2. Fill engine oil to proper level.
Check engine oil before EVERY use.
3. Test/replace fuel tank cap.
4. Have qualified technician service magneto.
5. Secure spark plug cap.
Engine stops when
under heavy load
1. Dirty air filter
2. Engine running cold.
1. Clean or replace element.
2. Allow engine to warm up prior
to operating equipment.
Engine knocks 1. Old or low quality gasoline.
2. Engine overloaded.
3. Incorrect spark timing, deposit buildup,
worn engine, or other mechanical problems.
1. Fill fuel tank with fresh 87+ octane stabilizer-
treated unleaded gasoline.
Do not use gasoline with more than
10% ethanol (E15, E20, E85, etc.).
2. Do not exceed equipment’s load rating.
3. Have qualified technician diagnose
and service engine.
Engine backfires 1. Impure or low quality gasoline.
2. Engine too cold.
3. Intake valve stuck or overheated engine.
4. Incorrect timing.
1. Fill fuel tank with fresh 87+ octane stabilizer-
treated unleaded gasoline.
Do not use gasoline with more than
10% ethanol (E15, E20, E85, etc.).
2. Use cold weather fuel and oil additives
to prevent backfiring.
3. Have qualified technician diagnose
and service engine.
4. Check engine timing.
Does not produce
high pressure
1. Diameter of water supply hose too small
2. Water supply is restricted.
3. Not enough water supply.
1. Replace hose with a 3/4-inch hose.
2. Check water supply hose for
kinks, leaks, or blockage.
3. Open water faucet all the way.
Output pressure
varies
1. Not enough water supply.
2. Water inlet screen is clogged.
3. Nozzle is clogged.
4. Nozzle has mineral build up.
1. Check water supply hose for kinks, leaks,
or blockage. Open faucet all the way.
2. Remove inlet screen and rinse out.
3. Remove Nozzle and clean.
4. Remove Nozzle and clean with vinegar.
No intake of detergent 1. Detergent hose not properly inserted into unit.
2. Tube cracked or split.
3. Wrong Nozzle.
4. Injector turned off.
5. Injection tube strainer clogged.
6. Nozzle blocked.
7. Dried detergent in injector.
1. Push firmly into injector.
2. Replace tube.
3. Switch to Black Nozzle.
4. Turn collar counterclockwise.
5. Clean strainer.
6. Clean Nozzle.
7. Dissolve by running warm water
through the injection tube. Run clean
water through injector until clear.
Follow all safety precautions whenever diagnosing or servicing the equipment or engine.
Page 23For equipment technical questions, please call 1-888-866-5797.Item 71098
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PLEaSE rEaD THE FOLLOWinG CarEFuLLy
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM
IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR DISTRIBUTOR
MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS
QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR THAT HE OR SHE IS QUALIFIED TO REPLACE
ANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY
STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND
LICENSED TECHNICIANS, AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY
ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS
THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.
Page 24 For equipment technical questions, please call 1-888-866-5797. Item 71098
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Parts Lists and Diagrams
General Parts List
Part Description Qty.
1 Pump 1
2 Hex Bolt 4
3 Flat Key 1
4 Engine 1
5 Flange Nut 8
6 Stud Damping Seat 4
7 Detergent Tank Lid 1
8 Detergent Tank 1
9 Flat Washer 2
10 Hex Bolt 2
11 Anti-Vibration Pad 1
12 Hex Bolt 1
13 Frame 1
14 Flat Washer 4
15 Tire 2
16 Axle 2
17 R-Pin 2
18 Knob Assembly 2
19 Hex Bolt 4
Part Description Qty.
20 Flat Washer 4
21 Nylon Nut 4
22 Hex Bolt 4
23 Pressure Hose Hook 1
24 Handle 1
25 Handle Grip 1
26 Spray Gun Holder 1
27 Nozzle Panel 1
28 Nozzle Grommet 5
29 Black Nozzle – Detergent 1
30 White Nozzle – 40° 1
31 Green Nozzle – 25° 1
32 Yellow Nozzle – 15° 1
33 Red Nozzle – 0° 1
34 Pressure Hose 1
35 Spray Gun 1
36 Wand 1
37 Detergent Tube 1
38 Knob 2
record Product’s Serial number Here:
note: if product has no serial number, record month and year of purchase instead.
note: Some parts are listed and shown for illustration purposes only, and are not available individually as
replacement parts. Visit harborfreight.com/parts for a list of in stock parts. Reference UPC 193175530349.
Page 25For equipment technical questions, please call 1-888-866-5797.Item 71098
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General assembly Diagram
Page 26 For equipment technical questions, please call 1-888-866-5797. Item 71098
SaFETy SETuP OPEraTiOn MainTEnanCE
Pump Parts List
Part Description Qty.
1A Head Bolt M8 x 45 3
2A Pump Head 1
6A Plug 1
7A O-Ring Ø7.66 x 1.78 1
8A Plug – Aluminum 3
9A O-Ring Ø14 x 1.7 4
10A Check Valve 6
11A O-Ring Ø9 x 1 1
12A Seat 1
13A By-Pass Jet 1
14A O-Ring Ø10.82 x 1.78 1
15A Piston Guide 1
16A Ring 1
17A O-Ring Ø6.07 x 1.78 1
18A O-Ring Ø6.02 x 2.62 1
19A Piston 1
20A Nut M6 1
21A Grub Screw M6 x 16 1
22A Handle Insert 1
23A Plate Spring 2
24A Spring 1
25A Gasket 6
26A O-Ring Ø23.52 x 1.78 3
27A Bushing 3
28A Bushing 3
29A Oil Seal 3
30A Housing 1
Part Description Qty.
31A O-Ring Ø6.75 x 1.78 1
32A Oil Plug 1
33A O-Ring Ø4.48 x 1.78 2
34A Hose Nipple 1
35A Ball 1
36A Spring 1
37A O-Ring Ø4 x 2.5 1
38A Jet 1
39A Spring 1
40A O-Ring Ø8.73 x 1.78 2
41A Detergent Injector 1
42A Inlet Fitting 3/4" NH 1
43A Suction Fitting 1
44A Filter 1
46A Outlet Fitting 1
48A Spring 3
49A Piston 3
50A Ring 3
51A Thrust Washer 1
52A Bushing 1
53A Thrust Washer 1
54A Hollow Shaft 1
55A Bearing 1
56A Circlip Øi72 1
57A Seal 1
58A O-Ring Ø14 x 2 2
When ordering replacement parts from this list, the “A” suffix must be included in order to get the correct part.
Page 27For equipment technical questions, please call 1-888-866-5797.Item 71098
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Pump assembly Diagram
7
6
8
9
10
11
2
1
20
21
22
23
24
23
32 31
34
33
35
39
40 41 58
44
43
58
38
37
36
12
13
9
15
16
17
18
19
14
46
25
10
28
25
27
26
29
30
48
49
50 51
52
53
55
56
57
54
42
Page 28 For equipment technical questions, please call 1-888-866-5797. Item 71098
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Engine Parts List
Part Description Qty.
1B Hex Bolt 4
2B Cylinder Head Cover 1
3B Hex Bolt 9
4B Cover 1
5B Cylinder Head Gasket 1
6B Exhaust Valve Rotor 2
7B Exhaust Valve Spring Seat 2
8B Valve Springs 2
9B Oil Cover For Intake Valve 1
10B Rocker Arm Shaft Adjusting Nut 2
11B Rocker Arm Shaft 2
12B Valve Rocker Arm 2
13B Rocker Shaft Bolt 2
14B Push Rod Guide 1
15B Hex Bolt 2
16B Hex Bolt 2
17B Cylinder Head 1
18B Intake Stud 2
19B Intake Gasket 1
20B Carburetor Connector Block 1
21B Carburetor Gasket 1
22B Carburetor 1
23B Air Filter Gasket 1
24B Nut 2
25B Clamp 2
26B Fuel Hose 1
27B Air Filter Assembly 1
28B Air Filter 1
29B Exhaust 1
30B Clamp 1
31B Muffler Gasket 1
32B Exhaust Stud 1
33B Muffler 1
34B Spring Washer 2
35B Nut 2
36B Cylinder Head Gasket 1
37B Pin 2
38B Exhaust Valve 1
39B Exhaust Valve 1
40B Push Rod 2
41B Valve Lifter 2
42B Piston Ring Set 1
43B Piston 1
44B Piston Pin 1
45B Piston Pin Ring 2
46B Connecting Rod 1
Part Description Qty.
47B Hex Bolt 2
48B Spacer 2
49B Crankshaft Box 1
50B Oil Seal 2
51B Ignition Coil 1
52B Hex Bolt 2
53B Flywheel 1
54B Fan 1
55B Starter Pulley 1
56B Nut 1
57B Engine Switch 1
58B Recoil Starter Assembly 1
59B Hex Bolt 1
60B Lateral Wind Deflector 1
61B Check Valve Wire Clamp 1
62B Corrugated Pipe 1
63B Canister 1
64B Fuel Tank Assembly 1
65B Dump Valve Unit 1
66B Hex Bolt 1
67B Low Oil Switch 1
68B Speed Swinging Rod 1
69B R-Clip 1
70B Swinging Rod Gasket 1
71B Low Oil Sensor 1
72B Deep Groove Ball Bearing 2
73B Hex Bolt 2
74B Camshaft Assembly 1
75B Crankshaft Assembly 1
76B Crankcase Cover Gasket 1
77B Positioning Pin 2
78b Crankcase Cover 1
79B Hex Bolt 7
80B Oil Plug Assembly 1
81B Oil Dipstick Assembly 1
82B Speed Regulating Gear Assembly 1
83B Speed Regulating Controller Assembly 1
84B Reset Spring 1
85B Fine Spring 1
86B Speed Regulating Arm Unit 1
87B Speed Control Lever 1
88B Spark Plug 1
89B Fuel Line 1
90B Fuel Line 1
91B Block Cover 1
When ordering replacement parts from this list, the “B” suffix must be included in order to get the correct part.
Page 29For equipment technical questions, please call 1-888-866-5797.Item 71098
SaFETySETuPOPEraTiOnMainTEnanCE
Engine assembly Diagram
5
10
11
12
13
14
15
6
7
8
9
15
17
32
16
88
37
36
16
40
41
42
38
43
44
45
47
48
49
50
51
53
54
55
56
68
70
69
72
73
71
67
3
48
47
74
75
84
72
86
87
85
39
46
76
52
77
77
18
21
23
19
20
82
83
78
79
58
3
24
24
3
60
3
3
81
25
80
4
50
3
26
30
59
3
1
29
27
28
61
62
24
64
66
22
33
34
35
2
25
31
57
65
89
63
90
91
3
Page 30 For equipment technical questions, please call 1-888-866-5797. Item 71098
SaFETy SETuP OPEraTiOn MainTEnanCE
Warranties
Limited 90 Day Warranty (retail)
Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards,
and warrants to the original purchaser that this product is free from defects in materials and workmanship for the
period of 90 days from the date of purchase. This warranty does not apply to damage due directly or indirectly,
to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity, improper
installation, normal wear and tear, or to lack of maintenance. We shall in no event be liable for death, injuries
to persons or property, or for incidental, contingent, special or consequential damages arising from the use of
our product. Some states do not allow the exclusion or limitation of incidental or consequential damages, so
the above limitation of exclusion may not apply to you. THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL
OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY
AND FITNESS, EXCEPT FOR THE EMISSIONS CONTROL SYSTEM WARRANTY BELOW.
To take advantage of this warranty, the product or part must be returned to us with transportation charges prepaid.
Proof of purchase date and an explanation of the complaint must accompany the merchandise. If our
inspection verifies the defect, we will either repair or replace the product at our election or we may elect to
refund the purchase price if we cannot readily and quickly provide you with a replacement. We will return
repaired products at our expense, but if we determine there is no defect, or that the defect resulted from
causes not within the scope of our warranty, then you must bear the cost of returning the product.
This warranty gives you specific legal rights and you may also have other rights which vary from state to state.
Page 31For equipment technical questions, please call 1-888-866-5797.Item 71098
SaFETySETuPOPEraTiOnMainTEnanCE
Emissions Control System Warranty
Harbor Freight Tools (HFT) is pleased to explain the emissions control system warranty on your Small Off-Road
Engine produced after January 1, 2023 (engine), in addition to the Retail Warranty above. HFT warrants that the
emissions control system on your engine is designed, built, and equipped so that it conforms to the United States
Environmental Protections Agency’s (EPA) emissions requirements in effect at the time of manufacture. HFT also
warrants that the emissions control system on your engine will be free from defects in material and workmanship for
two (2) years, provided there has been no improper maintenance, misuse, or abuse of your engine.
Your emissions control system may include parts such as the carburetor or fuel-injection system, and the ignition
system. Also included may be hoses, belts, connectors and other emissions-related assemblies.
WHaT WE WiLL DO
Where a warrantable condition exists, HFT will repair or replace, at our option, any emissions-related part on
your engine if it becomes defective, malfunctions, or otherwise fails to conform with this warranty under normal use
and service during the two (2) year term of this warranty at no cost to you, including diagnosis, parts and labor. This
warranty applies to the original purchaser and any subsequent owner within the two year warranty period.
WHaT iS COVErED?
The following parts are examples of components of the emissions control system and are covered by this
two (2) year warranty. For a full list of emissions control components covered by this warranty, please see 40 CFR
§1068, Appendix I.
1. Fuel Metering System
a. Carburetor and its internal parts.
b. Fuel pump (if so equipped).
c. Cold start enrichment system.
2. Air Induction System
a. Intake pipe/manifold.
b. Air cleaner.
3. Ignition System
a. Spark plug.
b. Magneto ignition system.
4. Catalyst System (if so equipped)
a. Exhaust pipe stud.
b. Muffler.
c. Catalytic converter (if so equipped).
5. Miscellaneous Items Used in Above Systems
a. Vacuum, temperature and time sensitive valves
and switches.
b. Hoses, belts, connectors, and assemblies.
This warranty does not cover normal maintenance services or replacement of maintenance items such as filters,
oils, or spark plugs.
WHaT yOu MuST DO TO OBTain WarranTy SErViCE
As the engine owner, you are responsible for the performance of the required maintenance listed in your
Owner’s Manual. HFT may deny you warranty coverage if your engine or a part has failed due to abuse (including
failure to follow the fuel use instructions contained in this manual), neglect, improper maintenance, or unapproved
modifications.
In order to obtain warranty repair or replacement, you may either (a) contact HFT product support at 1-888-866-5797
or [email protected]; or (b) bring the to your nearest Harbor Freight Tools retail store. When going to
the retail store or contacting product support, you must indicate the specific emissions control part or defect that you
are claiming and the date this was originally purchased. The nearest Harbor Freight Tools retail store can be found on
the internet at http://www.harborfreight.com.
26677 agoura road • Calabasas, Ca 91302 • 1-888-866-5797
