Part Number 7114141 / ENGLISH REV D - 3/2023
SAVE THIS MANUAL FOR FUTURE REFERENCE
READ THIS MANUAL CAREFULLY BEFORE OPERATION
Failure to follow the instructions and safety precautions in this manual can result
in property damage, serious injury and/or death.
NOTE: Photographs and line drawings used in this manual are for reference only and may not
represent your specic model.
If your pressure washer is not working or if there are parts missing or broken, please DO NOT
RETURN IT TO THE PLACE OF PURCHASE. Contact our Customer Service Department by calling
1-877-362-4271 or emailing [email protected]
LOOK BEFORE YOU PUMP!
GASOLINE POWERED RENTAL SERIES
USE AND CARE MANUAL
PRESSURE WASHER
Page II
NOTES
THIS PAGE WAS INTENTIONALLY LEFT BLANK
Page 1
SAVE THIS MANUAL FOR FUTURE USE
Write down the model number, serial number, and purchase date of this product in the spaces
provided below then keep this manual with the purchase receipt(s) for future reference.
Keep this manual for future reference. This manual should be considered a permanent part
of the product and stay with it. This manual should be available to anyone operating the
product(s) it covers. This manual should remain with the product(s) it covers if sold to a new
owner. If the manual becomes damaged, lost, or otherwise unusable, you may download
a new copy from the product pages at www.simpsoncleaning.com or contact customer
support by calling 1-877-362-4271.
Model Number:
Serial Number:
Purchase Date:
Page 2
TABLE OF CONTENTS
Adding the Pump Breather Cap
6
Install Knob-style Handle
6
ASSEMBLY 6
DISCLAIMERS 5
PERSONAL PROTECTIVE EQUIPMENT
5
Hazard Alert Symbols
4
Additional Instructions
4
Read this Manual Before Operating
4
4SAFETY INSTRUCTIONS
Organize Accessories
Assemble the Spray Gun
7
7
COMPONENT LOCATION 8
CONNECTING HOSES 11
PURGING AIR FROM THE PUMP 12
NOZZLES 13
Nozzle Installation
13
Nozzle Selection
13
USING CHEMICALS 14
OPERATING CHECKLIST
15
High Altitude Operation
Location
15
Checking the Engine Oil
Operating Conditions
Checking Fuel
16
16
17
19
STARTING THE ENGINE 21
SHUTTING OFF THE ENGINE 22
UNPACKING 6
Page 3
Pressure Washing
23
Preparation
23
Terms
23
23OPERATION TIPS
24TROUBLESHOOTING
26MAINTENANCE
Maintenance
Cleaning the Pressure Washer
26
26
Connections
Nozzle Cleaning
26
27
Water Inlet Filter
Pump Maintenance
28
29
Engine Maintenance
30
30STORAGE AND TRANSPORTATION
Storing for Two Months or Less
Storing for More Than Two Months
30
31
Transportation
31
32USING SIMPSON
®
PUMP GUARD
Adjusting Pressure
23
33WARRANTY
WARNING:WARNING:
DANGER:DANGER:
CAUTION:CAUTION:
Page 4
This manual contains important safety information and instructions. Do not operate
this product until you have read, and completely understand all safety, operation, and
maintenance instructions listed in this manual. Failure to follow the information contained
in this manual will result in property damage, injury, and/or death.
NOTE: The warnings and precautions discussed in this manual cannot cover all conditions
and situations that may occur. The operator must understand awareness and caution are
factors which cannot be built into this product and so must be exercised by the operator.
READ THIS MANUAL BEFORE OPERATING
ADDITIONAL INSTRUCTIONS
Be sure to understand the safety symbols and denitions listed below. Each symbol
contains one of four words: DANGER, WARNING, CAUTION, NOTICE, indicating
dierent levels of hazard severity. These symbols are used throughout this manual and
are followed information about a specic hazard, the consequences of the hazard, and
instructions on how to avoid the hazard. Failure to heed these symbols and follow the
instructions provided with them will result in property damage, injury, and/or death.
HAZARD ALERT SYMBOLS
Indicates an imminently dangerous situation, which if not
avoided, will result in property damage, serious injury, and/
or death.
Indicates a potentially hazardous situation, which if not
avoided, could result in property damage, serious injury, and/
or death.
Indicates a hazardous situation, which if not avoided, could
result in property damage and/or minor to moderate injury.
Indicates information considered important, but not directly
hazard related.
SAFETY INSTRUCTIONS
Along with this manual, be sure to read any additional instructions provided both on and
with the product, attached equipment, accessories, and the engine powering the product.
Pay careful attention to all additional safety rules and instructions on proper startup,
operation, and shutdown procedures. Always use any recommended protective apparel
that may be needed to operate the equipment safely.
NOTICE
Page 5
This product and the engine exhaust can expose you to chemicals which are known to
the state of California to cause cancer, birth defects, or other reproductive harm. For
more information on California Proposition 65, go to www.P65Warnings.ca.gov.
CALIFORNIA PROPOSITION 65 WARNING
POLYCYCLIC AROMATIC HYDROCARBON WARNING
The air lter element and air box assembly may contain polycyclic aromatic hydrocarbons
(PAHs). Some PAHs may cause cancer. To avoid exposure to PAHs, wear gloves when
performing air lter maintenance.
● All information in this publication was based on the latest product information available at
the time of printing. The FNA Group reserves the right to update, change, and/ improve
the product and this document at any time, without notice, and without incurring any
obligation.
● This manual may cover more than one machine. The pictures and gures in the manual
should be used for reference only. There may be dierences between your product and
the pictures, drawings, and diagrams in this manual.
DISCLAIMERS
PERSONAL PROTECTIVE EQUIPMENT (PPE)
It is important to understand what personal protective equipment (PPE) should be
utilized when using your pressure washer. Below is a list of PPE items that should
be utilized at all times when using the pressure washer.
Hearing - Ear plugs or mus to protect your hearing.
Vision - Safety glasses or goggles to protect your eyes.
Clothing - Long pants to protected your legs from ying debris.
Shoes - Shoes that fully cover your feet to protect against debris and over spray.
NOTICE
This appliance is not intended to be used by persons (including children) with reduced
physical, sensory, or mental capabilities, or lack of experience and knowledge, unless
they have been given supervision or instruction concerning use of the appliance by a
person responsible for their safety.
Children should be supervised to ensure that they do not play with the appliance.
Install knob-style handle
Slide the handle onto the frame then secure
it with the included knobs and bolts.
Adding the pump breather cap (if applicable)
A RED shipping plug is in the pump that must be replaced with a BLACK breather cap.
The plug is easy to replace with the following steps:
1. Using a bladed screw driver, remove the RED shipping plug from the top of the pump.
2. Hand thread the BLACK breather cap into the pump.
3. Snug the cap with your ngers.
RED shipping plug
BLACK breather cap
Page 6
UNPACKING
ASSEMBLY
Follow the steps outlined in this section to unpack and assemble your pressure washer.
If you have any questions regarding the unpacking or assembly of your pressure washer,
please have your model number and serial number ready, then contact customer support at
1-877-362-4271 or email [email protected].
1. Place the shipping carton on a solid, at surface.
2. Carefully cut the top of the carton open.
3. Carefully cut each corner of the carton from top to bottom.
4. Lay each side of the carton at on the ground.
5. Remove the contents of the carton.
WARNING:WARNING:
WARNING!
The threads on the lance and gun coupler can be easily cross threaded resulting
in an improper assembly. An improper assembly of the gun and lance can result in personal
injury. Do not use if the threads on the gun coupler and or lance are cross
threaded.
Hand thread the lance clockwise
into the gun. Be careful not to
cross-thread the gun and lance.
Using an adjustable wrench,
tighten the lance by placing the
wrench on the ats of the nozzle
quick-connector.
Trigger lock
Trigger
Assemble the spray gun
Page 7
Attempting to start the engine incorrectly or using the pressure washer incorrectly can
result in engine and/or pressure washer damage, and may cause serious injury or death.
To avoid these hazards, be sure to read, understand, and follow the steps outlined in the
OPERATING CHECKLIST section of the owner’s manual before starting the engine, and
follow all the guidelines for proper use of the pressure washer.
OPERATING CHECKLIST
Organize accessories
1. Place the spray gun and
lance assembly into the
holder on the dashboard.
2. Push the nozzles into
the rubber grommets on
the dashboard. Note: the
dashboard label indicates
correct nozzle placement.
3. Hang the high-pressure
hose on the holder.
123
Page 8
COMPONENT LOCATION
4 5 61 2 3
109
8. Spray gun trigger lock
7. Spray gun trigger
6. Spray gun
5. Spray gun holder
4. Unloader control knob
3. Fuel ller cap
2. Fuel tank
1. Engine ON/OFF switch
10. Oil ller cap / dipstick (not visible)
9. Spray wand quick connector
7 8
Page 9
14 1511 12 13
18
17
16
18. Fuel valve
17. Choke
16. Throttle (if equipped)
15. Engine starting recoil
14. Engine spark plug
13. Hose hanger
12. Nozzle holders
11. High-pressure hose
Page 10
27. Engine oil drain plug
26. Pump oil sight glass
25. Pump oil drain plug
24. Garden hose coupler and lter
23. Low-pressure inlet lter
22. Pump
21. Thermal relief valve
20. Detergent injection hose barb
19. High-pressure pump outlet
23 2419 20 21 22
26 2725
Page 11
Before connecting a water supply hose, be sure the water supply is capable of providing an
uninterrupted source of clean, cold water at a minimum rate of 5 gallons per minute (GPM)
and 20 pounds per square inch (PSI) of pressure. Once a proper water supply is secured,
follow the instructions below to connect both the water supply and high-pressure hoses to
the pressure washer.
CONNECTING HOSES
Turn on the water
supply and run for 30
seconds to purge any
debris from the supply
hose. Then, turn o the
water supply and thread
the water supply hose
into the pump inlet lter.
1.
While pulling back on the pump
outlet collar, insert the hose
connector then release the collar.
Gently tug on the hose to make
sure it is locked.
2.
While pulling back on the hose outlet collar, insert the gun connector then
release the collar. Gently tug on the hose to make sure it is locked.
3.
WARNING:WARNING:
NOTICE
Page 12
A pressure washer pump is designed to operate with water owing through it. Water
lubricates and cools the internal components of the pump. Running a pressure washer pump
without water will severely damage the pump seals and other internal components. Damage
caused by running a pressure washer pump without water is not covered under warranty.
Be sure to follow the instructions below to correctly purge the air from your pressure washer
pump before starting the engine.
PURGING AIR FROM THE PUMP
Running a pressure washer pump without water will severely damage the pump seals
and other internal components. To avoid this hazard, make sure your water supply is
uninterrupted and at least 5 GPM at 20 PSI, and always purge the air your pressure
washer pump before starting the engine.
PUMP PURGING
1. Connect all the hoses by following the steps outlined in the CONNECTING HOSES
section of this manual then turn on the cold water source.
2. Aim the spray gun in a safe direction
then squeeze and hold the trigger for
at least 30 seconds or until the water
runs steady and all the air is purged
from the pump and hoses.
3. Check hoses and connections for leaks. If leaks are found, turn o the machine, aim the
spray gun in a safe direction and squeeze the trigger to relive any built up pressure in the
system. Never attempt to touch a leak in a high-pressure hose or tting. Never attempt to
repair a high-pressure hose.
The high pressures created by a pressure washer can cause uid injection injuries,
severe lacerations, amputations, and / or death. To avoid these hazards, always aim
the spray gun and lance in a safe direction when using the pressure washer and never
attempt to touch a leak in a high-pressure hose or tting.
INJECTION INJURY
Engage the trigger lock.4.
Page 13
NOZZLES
Nozzle Selection
Nozzle Installation
To place a nozzle into the spray wand, pull the quick-
connect coupler back, insert the nozzle, then release
the coupler allowing it to snap back in place. Once
installed, pull on the nozzle to make sure it secure.
Color
5-N-1
(if equipped)
Spray
Pattern
Uses Surfaces
Red 0°
Spot cleaning
hard, unpainted
surfaces and
high-reach
areas
Unpainted metal and concrete
DO NOT use on wood.
Yellow 15°
Intense
cleaning of
unpainted
surfaces
Grills, driveways, concrete
and brick walkways, unpainted
brick and stucco
Green 25°
Standard
cleaning
nozzle for most
applications
Yard tools, sidewalks, lawn
furniture, unpainted siding,
stucco, gutters, eaves,
concrete, and brick surfaces
White 40°
Cleaning
painted or
delicate
surfaces
Auto, truck, RV, marine, wood,
painted brick, painted stucco,
vinyl, and painted siding
Black Soap
Applies
cleaning
solutions
Safe on all surfaces. Always
verify compatibility of cleaning
solution(s) prior to use.
The nozzles supplied with the pressure washer have specic spray patterns designed to
clean dierent surfaces. Using the incorrect nozzle can damage surfaces. Refer to the table
below to select the correct nozzle before using the pressure washer. NOTE: The selection
of nozzles included may vary with pressure washer models.
0
HIGH
PRESSURE
O
HIGH
PRESSURE
15
O
PRESSURE
HIGH
25
O
40
HIGH
PRESSURE
O
PRESSURE
LOW
SOAP
High-pressure spray can damage plants and other surfaces. To avoid causing damage,
cover plants before spraying near them, refer to the Nozzle Selection table in this manual
for correct nozzle selection, and test surfaces before spraying to make sure they are
strong enough to withstand high-pressure spray.
SPRAY DAMAGE
NOTICE
If the engine is running, make sure the trigger lock is
in the locked position before removing and installing
nozzles.
SOAP
NOTICE
Page 14
USING CHEMICALS
Pressure washing with volatile, ammable, or corrosive liquids could cause pressure
washer damage, re, or explosion resulting in severe injury and/or death. To avoid these
hazards, use only approved soaps and chemicals, do not attempt to pressure wash with
volatile, ammable, or corrosive liquids, and NEVER use bleach.
VOLATILE LIQUIDS
Attach the open end of the soap hose to the
barbed tting on the pump.
1.
Place the ltered end of the soap hose into a
container of soap.
2.
Insert the black nozzle into the spray wand per the
Nozzle Installation section of this manual. NOTE:
Soaps will not siphon if the black soap nozzle is
not installed on the spray wand.
4.
If the engine is running, make sure the trigger
lock is in the locked position before removing and
installing nozzles.
3.
5.
After using soap, place the ltered end of the soap hose into a container of clean
water and run pressure washer drawing clean water through the hose and pump
until the system is thoroughly rinsed. If soap or other chemicals remain in the pump,
the pump could be damaged. Pump damage from soap or chemical residue is not
covered under warranty.
WARNING:WARNING:
Page 15
OPERATING CHECKLIST
Location
Place the pressure washer on a level surface outside in a well-ventilated area before
operating. Keep all ammable materials at least ve feet away from all sides of the product.
● Never use pressure washer inside a house, garage, or any other kind of enclosure even
if doors and windows are open. Run engine outside at least 20 feet (6 meters) away
from windows, doors, and vents. Carefully consider wind direction and air currents when
using pressure washer outside to avoid breathing in engine exhaust.
● Following the manufacturer’s instructions and recommendations, install battery operated
carbon monoxide alarms in any occupied buildings near the running engine.
● If you experience headache, nausea, dizziness, sleepiness, or weakness while pressure
washer is running, move to fresh air and seek medical attention immediately.
Engine exhaust contains carbon monoxide, an odorless, colorless, poisonous gas.
Running an engine indoors will kill you in minutes. Never use this product inside a house,
garage, or any other kind of enclosure even if doors and windows are open. Run engine
outside at least 20 feet (6 meters) away from windows, doors, and vents. Carefully
consider wind direction and air currents when using this product outside to avoid breathing
in engine exhaust. Always use a carbon monoxide detector in any occupied buildings
near the running engine.
TOXIC FUMES
Page 16
WARNING:WARNING:
NOTICE
High Altitude Operation
Operating Conditions
This engine will have proper engine performance and emission control when it is operated
at or below an altitude of 5000 feet (1524 meters). This engine requires a high-altitude
carburetor kit to ensure proper engine performance and emission control when operated
at altitudes above 5000 feet (1524 meters). Operating the machine with the wrong engine
conguration above 5000 feet (1524 meters) may increase its emissions, decrease fuel
eciency, and hurt performance. To obtain a high altitude carburetor kit, contact your
nearest authorized service center.
Before each use, check for loose or damaged parts, leaks, and/or any other condition
that may aect proper operation. Repair or replace all damaged and/or defective parts
immediately. Always keep all safety guards in place and in proper working order. For safety
reasons, the manufacturer recommends all maintenance and repairs be performed by an
authorized service center.
Before starting engine, remove any excessive dirt and debris from cooling vents, exhaust,
and starter recoil areas. Always operate the pressure washer on a level surface and never
move or tip the pressure washer while operating. Use pressure washer only for its intended
purpose. If you have questions about the proper use of your pressure washer, please
contact customer support at 1-877-362-4271 or [email protected].
Operating the engine with a high-altitude carburetor jet kit at an altitude below 5000 feet
(1524 meters) will cause the engine to run too hot. Overheating the engine could result
in serious engine damage. To avoid this hazard, make sure the correct carburetor kit is
installed and the air/fuel mixture is set correctly for your altitude.
ALTITUDE
Failure to inspect this product before use could create a hazardous situation resulting
in product damage, serious injury, and/or death. To avoid these hazards, inspect the
pressure washer before each use. Check for loose or damaged parts, signs of oil or
fuel leaks, missing guards, plugged cooling vents, or any other condition that may aect
proper operation. Repair or replace all damaged or defective parts and keep all safety
guards in place and in proper working order before using the pressure washer.
WARNING:WARNING:
Untrained adults and children can be seriously injured or killed if allowed to incorrectly
operate or play with running pressure washer. To avoid these hazards, be sure anyone
operating the pressure washer receives proper instructions, understands safe operation,
and has read the owner’s manual before operating this product. Do not let children
operate the pressure washer without parental supervision. Keep children and pets away
from the pressure washer while it is running. Always turn o the pressure washer before
leaving the area.
UNTRAINED OPERATION
INSPECT BEFORE OPERATING
Page 17
WARNING:WARNING:
WARNING:WARNING:
CAUTION:CAUTION:
CAUTION:CAUTION:
NOTICE
The high pressures created by a pressure washer can cause uid injection injuries,
severe lacerations, amputations, and / or death. To avoid these hazards, always aim
the spray gun and lance in a safe direction when using the pressure washer and never
attempt to touch a leak in a high-pressure hose or tting.
A running engine produces heat. The surfaces of the engine, other related components,
and engine exhaust gas get hot enough to cause mild moderate burns or ignite materials
on contact. To avoid burns, do not touch engine surfaces or exhaust gases while
operating and allow engine to cool completely before moving, touching, or performing
any maintenance. To avoid a re, keep all ammable materials at least ve feet away
from all sides of the product.
Hot oil can cause serious burns. To prevent getting burned when changing or checking the
engine oil, wear appropriate gloves and change the oil when the engine is warm but not hot.
The low oil sensor (if equipped) will automatically stop the engine when the oil level falls
below the safe limit. To avoid an unexpected shutdown, check the oil level before each
use, ll to the upper limit, and always operate engine on a level surface.
This product has many parts that move at high speeds. Moving parts can cause crushing
injuries, broken bones, severe lacerations, and/or traumatic amputations. To prevent
injury, never place ngers, hands, feet, or other body parts near running engine. Never
operate product with covers, shrouds, or other guards removed. Do not wear loose-tting
clothing, dangling drawstrings, or any other hanging items that could become entangled
in moving parts while operating. Tie up long hair and remove jewelry before operating.
INJECTION INJURY
HOT SURFACES
HOT OIL
LOW OIL SENSOR
MOVING PARTS
Checking the Engine Oil
NOTICE
Page 18
Upper Oil Limit
The engine is shipped from the factory without oil. Running the engine without oil will
result in severe engine damage and void the warranty. To avoid causing engine damage
and voiding the warranty, ll the engine with the recommended oil type before starting.
Oil is a major factor in the performance and service life of any engine. Using the incorrect
oil may damage the engine and void the warranty. To avoid causing engine damage and
voiding the warranty, check and change oil as required using the correct engine oil.
FILL ENGINE OIL BEFORE USE
USE CORRECT ENGINE OIL
Lower Oil Limit
Engine Oil Dipstick
NOTICE
1. Check oil with pressure washer on a level surface and the engine o.
2. Unscrew the engine oil dipstick and pull it out, then wipe dipstick clean.
3.
Place clean dipstick into ller neck but do not thread it in, leave it rest it on the ller neck.
4. Remove the dipstick from ller neck and check oil level. Oil level should be at the upper oil
limit on the dipstick.
5. If level is low, add the recommended oil to the crankcase until the level reaches the upper
limit on the dipstick. See the engine manual for recommended oil.
6. Install the dipstick and tighten cap by threading it into the ller neck.
NOTICE
NOTICE
NOTICE
WARNING:WARNING:
Page 19
Old gasoline can create deposits that clog fuel systems causing hard starting and poor
performance. Damage caused by old fuel is not covered by warranty. To minimize
deposits, avoid old fuel related performance issues, and prevent costly repair work, do
not use gasoline that is older than 30 days.
Using gasoline with an alcohol blend greater than 10% (E10) will damage the engine.
Damage caused by using an alcohol blend of 15% (E15), 85% (E85), or any other alcohol
blend higher than 10% (E10) is not covered under warranty. To avoid engine damage
caused by an alcohol blend that is too high, use gasoline with 10% (E10) alcohol or lower.
The use of fuel system cleaning additives can damage the engine and fuel systems.
Damage caused by the use of fuel system cleaning additives is not covered by warranty.
To avoid engine and fuel system damage, do not use any fuel system cleaning additives.
Gasoline is highly ammable and gasoline vapors are extremely explosive. Fire and
explosions can cause severe burns and/or death. Keep gasoline away from ames,
sparks, and other ignition sources. Refuel outdoors in a well-ventilated area with the
engine stopped and cool. Wipe up any spilled gasoline and allow engine to dry before
starting. Keep a re extinguisher handy while refueling. Do not operate engine with leaks
in the fuel system. Do not store gasoline near other ammable materials.
OLD GASOLINE
ALCOHOL BLENDS
GASOLINE ADDITIVES
REFUELING
Checking Fuel
Maximum Fuel Level
NOTICE
NOTICE
Page 20
NOTE: Using a fuel stabilizer (sold separately) when storing gasoline can help prevent
problems related to storing ethanol alcohol blended gasoline. Always follow the instructions
provided by the fuel stabilizer manufacturer to mix and use correctly.
It is important to prevent gum deposits from forming in essential fuel system parts, such
as the carburetor, fuel lter, fuel hose or tank during storage. Alcohol-blended fuels (also
called gasohol, ethanol, or methanol) attract moisture, which leads to separation and
formation of acids during storage. Acidic fuel and gum deposits can damage the engine’s
fuel system while in storage. Damage caused by the use of old, stale, or contaminated
fuel are not covered under warranty.
Overlling the fuel tank can result in carbon canister damage (if equipped), poor engine
performance, and void the warranty. To avoid these hazards, do not ll the fuel tank
above the maximum level.
GASOLINE STORAGE
DO NOT OVERFILL FUEL TANK
1. Check fuel with the engine o and pressure washer on a level surface.
2. Remove fuel tank cap, check fuel level, then ll fuel tank if needed. For fuel cap location
see the COMPONENT LOCATIONS section of this manual.
3. Do not use gasoline that is older than 30 days. Use only clean and fresh regular unleaded
gasoline with a minimum octane rating of 87. Do not mix oil with gasoline. Do not use
gasoline that contains more than 10% ethyl alcohol. E15, E20, and E85 are not approved
fuels and should not be used.
4. Do not to ll the fuel tank above the maximum fuel level to allow room for fuel expansion.
For fuel capacity see the SPECIFICATIONS section of this manual.
5. Replace fuel tank cap. Never run engine without fuel cap installed.
WARNING:WARNING:
NOTICE
5. Slide the choke to CHOKE for starting a COLD engine. Slide to RUN for a warm
engine
CHOKE
RUN
STARTING THE ENGINE
Attempting to start the engine incorrectly or using the pressure washer incorrectly can
result in engine and/or pressure washer damage, and may cause serious injury or death.
To avoid these hazards, be sure to read, understand, and follow the steps outlined in the
OPERATING CHECKLIST section of the owner’s manual before starting the engine, and
follow all the guidelines for proper use of the pressure washer.
OPERATING CHECKLIST
Running the pressure washer for more than two minutes without the spray gun trigger
pulled will overheat the pump and possibly cause damage. The thermal relief valve will
open and spray water to help cool the pump as it overheats. To avoid overheating the
pump, shut o the engine if not being used for longer than two minutes.
PUMP DAMAGE
Starting the Engine
1. Complete the steps in the OPERATING CHECKLIST section of this manual before
starting the engine. Failure to do so could cause damage to the pump or engine. If
needed, refer to your Engine Owner’s Manual for specic starting instructions.
2. Turn the engine switch to the ON position.
3. Slide the fuel valve to the ON position.
4. Slide the throttle to the RUN position (if equipped).
OFF
ON
OFF
ON
The water should source should be connected, turned on, any air purged from the
system, and the trigger lock placed in the locked position.
Page 21
Page 22
NOTE: The starting position of the choke will vary depending on the engine temperature. If
starting a cold engine, move the choke lever towards the CHOKE position. If starting a warm
engine, move the choke lever towards the RUN position.
WARNING:WARNING:
Rapid retraction (also known as kickback) of the engine recoil starter cord will pull your
hand and arm towards the engine faster than you can let go of the handle resulting
in sprains, broken bones, lacerations, and/or traumatic amputations. Kickback is often
caused by internal engine failure, and/or improper starting techniques. To avoid kickback
follow the appropriate maintenance schedule, starting instructions and have repair work
done by an authorized service center.
RAPID RETRACTION
6. Pull the recoil slowly until resistance is felt, then pull rapidly to start the engine.
CHOKE
RUN
7. Once the engine starts, slowly move the choke lever to RUN as the engine runs. If
the engine falters, move the choke toward CHOKE until the engine has warmed up.
8. Allow engine to warm for 1-2 minutes before using the product.
NOTICE
Turning o the water supply to your pump with the engine running will damage the pump.
Damage caused by running the pump without water is not covered under warranty. To
avoid this hazard always turn o the engine before shutting o the water supply.
PUMP DAMAGE
SHUTTING OFF THE ENGINE
2. Slide the throttle to the SLOW position (if equipped).
3. Turn the engine switch to the OFF position.
4. Slide the fuel valve to the OFF position.
5. Turn o the water supply.
7. Allow the engine to cool completely before handling and storage.
1. Set the trigger lock on the spray gun.
6. Release the trigger lock then squeeze the spray gun trigger to relieve the pressure
in the hose and pump.
OPERATION TIPS
Terms
Preparation
Pressure Washing
• PSI - Pounds per square inch (PSI) is the unit to measure the pressure of water. In relation
to a pressure washer, the higher the PSI number, the greater the pressure and stripping
power produced.
• GPM - Gallons per minute (GPM) is the ow rate of water. In relation to a pressure washer,
the greater the GPM, the greater the ow or rinsing power produced.
• CU - Cleaning units express the eciency of the pressure washer. Cleaning units are
calculated by multiply the PSI by the GPM. The higher the CU, the more ecient the
pressure washer.
• Read all warning and instructions in this and all manuals that came with the pressure washer.
• Remove all toys, bikes, lawn furniture, etc. from the work area if they are not to be cleaned.
• Sweep any loose dirt and debris from the surface you will be pressure washing.
• Cover nearby plants to avoid damaging them with the pressure washer spray.
• Use caution when spraying windows. Always use the white, 40
o
nozzle and stay at least 4 feet away.
• Lay tarps down to collect paint chips and other debris blown o by the spray. Exterior paints
used before 1977 may contain lead and will produce chips that will need to be collected and
disposed of at a hazardous waste facility.
• A wider spray equals faster cleaning, while a tighter spray equals deeper cleaning.
• Keep the nozzle about 4 feet away from siding to avoid damage.
• Start washing siding at the bottom and work your way up, then rinse from the top down.
• Avoid driving water up behind siding.
• Use overlapping strokes for even cleaning.
• Work in small areas to keep the soap from drying.
• Do not aim the nozzle straight at the surface. Hold the wand at a 45
o
angle to the surface at a distance
that cleans well without causing damage.
Adjusting Pressure
The pressure setting is preset at the factory to achieve optimum pressure and cleaning. If
you should need to lower the pressure. it can be accomplished by the following methods.
• Back away from the surface to be cleaned. The further you position the nozzle from the surface to be
cleaned, the lower the pressure to reach the surface.
• Change to the white, 40
o
nozzle. This nozzle produces a lower pressure, wider width spray.
NOTE: Do not overtighten the pressure control knob. If overtightened, the knob COULD break
causing immediate loss of pressure and costly repairs not covered by the warranty.
Your unit may be equipped with an additional
feature that allows you to adjust the pressure.
To lower the pressure, turn the knob counter-
clockwise to the desire pressure.
To return the pressure to the factory setting, turn
the knob clockwise until it stops.
Page 23
TROUBLE SHOOTING
ISSUE POSSIBLE CAUSE SOLUTION
The fuel tank is empty. Add fresh fuel.
Water pressure in the pump
is preventing the engine from
rotating.
Aim the spray gun in a
safe direction then pull the
trigger to release water
pressure in the pump.
Refer to the STARTING
ENGINE section of this
manual for the correct
choke position.
Engine choke is in the wrong
position.
The spark plug lead is not
attached to the plug.
Connect spark plug lead.
Engine switch is in the OFF
position.
Turn the engine switch to
the ON position.
Engine fuel valve is turned OFF.
Turn fuel valve ON.
Engine oil is low. If the engine
is equipped with a Low Oil
Sensor, the engine will not start.
Check engine oil level. Fill
per engine manual.
Engine will not start.
Refer to the Engine
Owner’s Manual for more
engine troubleshooting
information.
Refer to the PURGING
THE PUMP section of this
manual to remove air from
the pump and hoses.
There is air trapped in the pump
and/or hoses.
Make sure the water source
can supply at least 5 GPM
at 20 PSI.
Water source is insucient.
Clean nozzle per the
MAINTENANCE section of
this manual.
The nozzle is clogged.
Clean the water inlet screen
per the MAINTENANCE
section of this manual.
The water inlet screen is
clogged.
The high-pressure hose
should be less than 100
feet in length.
The high-pressure hose is too
long.
Move engine choke to the
NO CHOKE position.
Engine choke is in the CHOKE
position.
The pressure washer
creates low or no water
pressure.
Page 24
Page 25
ISSUE POSSIBLE CAUSE SOLUTION
Spray wand not in low pressure. Insert black “soap” nozzle.
Detergent lter clogged.
Clean the lter.
Detergent lter is not
submerged in the detergent.
Make sure the lter end of
the detergent siphon hose
is fully submerged in the
detergent.
Dilute detergent. The de-
tergent should be the same
consistency as water.
Detergent is too thick.
Lengthen the water
supply hose and shorten
the high-pressure hose.
High-pressure hose is too long.
Contact customer service
at 1-877-362-4271 or at
Detergent is dried inside of the
detergent injector.
Will not draw in detergent.
Loose connections.
Tighten the connections.
Worn or torn O-ring.
Check and replace.
Contact customer service
at 1-877-362-4271 or at
Piston packing worn.
Contact customer service
at 1-877-362-4271 or at
Pump head or tubes damaged
from freezing.
Water leaking at pump.
Clean nozzle per the
MAINTENANCE section of
this manual.
Nozzle obstructed.
Pump or nozzle pulsates.
Loose drain plug.
Tighten.
Worn drain plug O-ring.
Check and replace.
Worn ll plug O-ring.
Check and replace.
Pump oil overlled.
Check for correct amount.
Drain and ll with correct
type and amount of oil.
Incorrect oil used.
Clean vent plug; blow air
through vent to remove
blockage. If problem
persists, replace the plug.
Vent plug is clogged.
Contact customer service
at 1-877-362-4271 or at
Oil seals worn.
Oil leaking from pump.
Page 26
NOTICE
NOTICE
For safety reasons, the manufacturer recommends all pressure washer service and repairs
be performed by an authorized service center. All warranty replacements or repairs must
be performed by an authorized distribution or service center. To nd an authorized service
center near you, make a warranty claim, or get authorized warranty repair, call 1-877-362-
4271 or email [email protected].
It is the responsibility of the owner and/or operator to have all scheduled maintenance
completed before operating the pressure washer. Be sure to follow the inspection and
maintenance recommendations as listed in all the manuals that came with this unit.
Before each use, check pressure washer for leaks, loose or damaged parts, and any other
condition that may aect proper operation. Be sure all safety guards are in place and in
proper working order. Inspect all air vents and cooling slots to ensure they are clean and
unobstructed. Repair or replace all damaged or defective parts immediately. For safety
reasons, the manufacturer recommends all pressure washer service and repairs be
performed by an authorized service center. Never attempt to repair a high-pressure hose.
Always clean the pressure washer with the engine o and cool. To clean the pressure
washer, rst use an air compressor set at no more than 25 PSI to clear dirt and debris from
the pressure washer surfaces, vents, and cooling slots. Then, wipe the exterior clean with
a damp cloth.
MAINTENANCE
Maintenance
Connections
Cleaning the Pressure Washer
Water can damage the pressure washer engine components if allowed to enter through
cooling slots or other holes. Damage caused by water intrusion is not covered under
warranty. To avoid engine water damage, do not use a pressure washer, garden hose,
or any other sources of running water to clean the pressure washer engine, and never
submerge the pressure washer engine in any liquids.
Using chemical cleaners and/or corrosive liquids can damage the pressure washer seals
and internal components. Damage caused by chemical cleaners and corrosive liquids
is not covered under warranty. To avoid these hazard, only used approved cleaning
chemicals, never use bleach, and always run clean water through the pressure washer
after using cleaning chemicals.
CLEANING
CHEMICAL CLEANERS
Hose, spray gun, and pump connections should be cleaned and lubricated with a thin lm
of lithium grease regularly to prevent o-ring damage and leaks.
Page 27
If a nozzle becomes clogged, the pump may pulsate and spray patterns could change. If
the nozzle is not cleaned, excessive pressure may develop possibly damaging the pump,
or other accessories. Inspect nozzles before using them and follow the instructions in this
section for the proper nozzle cleaning procedure.
Nozzle Cleaning
1. Shut o the pressure washer.
2. Turn o the water supply.
3.
Point the Spray gun in a safe direction and squeeze the trigger to relieve water pressure.
4. Set the trigger lock.
5. Remove the nozzle from the lance quick connector.
6.
Clear any obstructions from the nozzle by inserting the nozzle cleaning tool provided.
7. Rinse any loose debris from the nozzle by directing a running garden hose into the output
of the nozzle for at least 30 seconds.
Before each use, check the inlet lter and clean by following the steps below. Never operate
the pressure washer without the inlet lter properly installed.
Water Inlet Filter
1. Grip the lter housing as shown;
twist counterclockwise to remove.
2. Connect the housing to the garden
hose; turn on the water to ush.
3. Once the housing if free of debris, turn the water o.
5. Reconnect the lter housing to the pump by threading it in clockwise until snug. Do not
use a wrench or other means of mechanical tightening, the housing could break.
4. Disconnect the garden hose from the lter housing.
Page 28
Page 29
Note: The pump was lled with oil at the factory. The preferred oil is SIMPSON
©
Premium
Pump Crankcase Oil. If this oil is not available, an SAE 15W-40 oil may be used. Change
the oil after the rst 50 hours of operation and every 100 hours thereafter or every 3 months.
Pump Maintenance
2
3
1. Oil sight glass
2. Oil ll plug / vent cap
3. Oil drain plug (not shown)
1
1. Loosen the pump oil ll plug / vent cap.
2. Place a container under the oil drain plug.
3. Remove the oil drain plug.
4. After the oil has drained, insert the oil drain plug; tighten securely.
5. For AAA™ pumps, rell with SIMPSON
©
Premium Pump Crankcase Oil. If this oil is not
available, an SAE 15W-40 oil may be used.
For CAT Pumps
®
***, rell using a non-detergent hydraulic oil (ISO68).
6. Make sure the oil level meets but does not exceed the dot in the center of the sightglass.
7. Insert the oil ll plug; tighten securely.
How to change the pump oil
*** CAT Pumps
®
is a registered trademark of Diversied Dynamics Corporation.
Page 30
Before each use, check engine for loose or damaged parts, signs of oil or fuel leaks, and/or
any other condition that may aect proper operation. Always keep all safety guards in place
and in proper working order. Repair or replace all damaged or defective parts immediately.
For safety reasons, the manufacturer recommends all engine service and repairs (including
emission control devices and systems) be performed by an authorized service center.
All warranty replacements or repairs must be performed by an authorized distribution or
service center. To nd an authorized service center near you, obtain information about how
to make a warranty claim, or to make arrangements for authorized warranty repairs, please
call 1-877-362-4271 or email [email protected].
For all other information on engine maintenance, refer to the engine manual.
Engine Maintenance
STORAGE AND TRANSPORTATION
Storing for Two Months or Less
1. Fill fuel tank per the OPERATING CHECKLIST section of this manual then add a fuel
stabilizer per the manufacturer’s recommendations. NOTE: Using a fuel stabilizer (sold
separately) when storing gasoline may help prevent problems related to alcohol blended
fuels in outdoor power equipment engines. Always follow the instructions provided by the
fuel stabilizer manufacturer to mix and use correctly.
5. Shut o the water supply. Remove the water supply hose.
2. Complete the steps in the OPERATING CHECKLIST, CONNECTING HOSES, and
PRIMING THE PUMP sections of this manual.
3. Start the engine per the STARTING section of this manual and run it for ten (10) minutes
to allow the stabilized fuel to circulate through the entire fuel system. Be sure to squeeze the
trigger to keep water owing through the pump and spray gun to avoid overheating.
4.
Turn the engine switch to the OFF position.
9. Store the pressure washer in a clean, dry area out of direct sunlight.
6. Squeeze the spray gun trigger to relieve the pressure in the hose and pump then drain
the high pressure hose. Disconnect the high-pressure hose from the pump and spray gun.
7.
Allow the engine to cool completely.
8.
Protect the pump by using SIMPSON
®
Pump Guard per the USING PUMP GUARD
section of this manual.
Page 31
Storing for More Than Two Months
1. Make sure the engine is completely cool.
2. Remove all the fuel from fuel tank, fuel lines, and carburetor by loosening the drain screw
at the bottom of the carburetor, and draining fuel into an appropriate container.
3. Change the engine oil.
4. Remove any dirt and debris from the area around the spark plug, then use a spark plug
socket or wrench to remove the spark plug.
5. Pour .5 ounces (15 ml) of new oil into the engine combustion chamber, then slowly crank
the engine by pulling the recoil two (2) times to distribute oil and lubricate the cylinder.
6. Install the spark plug.
7. Drain the high-pressure hose.
8. Using SIMPSON Pump Guard or an equivalent is recommended when storing the unit for
more than 30 days and/or when freezing temperatures are expected.
9. Store the pressure washer in a clean, dry area out of direct sunlight.
WARNING:WARNING:
Transportation
1. Turn the engine control switch to the OFF position.
2. To prevent fuel spillage when transporting, keep the pressure washer upright on a level
surface.
3. When loaded onto a vehicle, secure pressure washer with straps or tie downs to prevent
tip over and damage from sliding.
Leaving the pressure washer in an enclosed space where temperatures can rise on a
transport vehicle may cause fuel to vaporize and possibly explode. Fire and explosions
can cause severe burns and/or death. To avoid leaking or vaporizing fuel, secure the
pressure washer in a well ventilated area out of direct sunlight and other heat sources
and do not transport the pressure washer on rough roads unless the fuel has been
drained beforehand.
TRANSPORTATION
NOTE: Do not operate the pressure washer while it is on the transport vehicle.
Page 32
USING SIMPSON
®
PUMP GUARD
NOTICE
Leaving water inside the pump during freezing weather will cause severe damage to the
pump. To avoid costly damage, always treat the pump with SIMPSON
®
Pump Guard to
remove the trapped water and to ll the pump with a lubricating, antifreeze solution.
PUMP DAMAGE
SIMPSON
®
Pump Guard (purchase separately) is formulated to protect your pump
during long-term storage and from freezing damage. Pump Guard should be used
throughout the season to keep the seals pliable and well lubricated. Before storing the
unit for winter or for when there is a chance of freezing weather, use pump guard to
remove all traces of water from the internal cavities while lling them with an antifreeze
solution. Pump Guard is insurance for your investment, use it.
Simply use Pump Guard by following these easy steps:
1. Screw the Pump Guard adapter into the garden hose input on the pump.
2. Press and hold down on the button until all the water and the Pump Guard starts to
come out of the high pressure port.
3. Unscrew the Pump Guard from the pump then prepare the pressure washer for
storage as outlined in STORAGE AND TRANSPORTATION.
Page 33
LIMITED WARRANTY
Commercial / Industrial / Rental Products
WARRANTY COVERAGE TERMS:
The manufacturer of this product agrees to repair or replace designated parts that prove defective within the warranty period
listed below at the manufacturers sole discretion. Specic limitations/extensions and exclusions apply.
This warranty covers defects in material and workmanship and not parts failure due to normal wear, depreciation, abuse,
accidental damage, negligence, improper use, maintenance, water quality and storage. To make a claim under the terms of the
warranty, all parts said to be defective must be retained and available for return upon request to a designated Warranty Service
Center for warranty inspection. The judgments and decisions of the manufacturer concerning warranty claims are nal.
There warranties pass through to the end user and are non-transferable. As a factory authorized and trained Warranty Service
Center, the factory will honor the terms of all component warranties and satisfy claims of the appropriate warranty provisions.
Normal wear items included, but are not limited to, items such as valve and seals, which are not covered by this warranty.
This warranty replaces all warranties, express or implied, including without limitation any warranties of merchantability or tness
for a particular purpose and all such warranties are hereby disclaimed and excluded by the manufacturer. The manufacturer’s
warranty obligation is limited to repair and replacement of defective products as provided herein and the manufacturer shall not
be liable for any further loss, damages, or expenses - including damages from shipping, accident, abuse, acts of God, mis
-
use, or neglect. Neither is damage from repairs using parts not purchased from the manufacturer or alterations performed by
non-factory authorized personnel. Failure to install and operate equipment according to the guidelines put forth in the instruction
manual shall void warranty.
THIS WARRANTY DOES NOT COVER:
Damage resulting from shipping (claims must be led with freighter), accident, abuse, acts of God, misuse or neglect. This war-
ranty also does not cover damage from repairs or alterations performed by non-factory authorized personnel or failure to install
and operate equipment according to the guidelines put forth in the instruction manual. The manufacturer will not be liable to any
persons for consequential damage, for personal injury or for commercial loss.
RESPONSIBILITY OF ORIGINAL PURCHASER (INITIAL USER):
To process a warranty claim on your SIMPSON® pressure washer, report the concern to 1-877-362-4271 or cservice@fna-
group.com for authorization and direction to the nearest authorized service center in your area.
Retain original cash register receipt as proof of purchase for warranty work.
Use reasonable care in the operation and maintenance of the product as described in the Owner’s Manual.
WHAT THIS WARRANTY DOES NOT COVER:
• Freight damage
• Damage due to chemical deterioration, scale build up, salt water, rust, corrosion or thermal expansion
• Freeze damage
• Damage caused by parts or accessories not obtained from an authorized dealer or not approved by
the manufacturer
• Normal wear of moving parts or components aected by moving parts
• Consumable parts such as: Fuel lter, air lter, spark plug(s), recoil starter rope, oil and lubricant(s)
• Normal periodic maintenance work such as carburetor cleaning and engine oil draining
WARRANTY COVERAGE PERIODS:
ENGINE AND EMISSIONS CONTROL SYSTEM
• Covered by engine manufacturer warranty. See engine manual.
HIGH PRESSURE PUMP (DEFECTS IN MATERIAL AND WORKMANSHIP)
• SEVEN (7) years from date of purchase
FRAME (DEFECTS IN MATERIAL AND WORKMANSHIP)
• TEN (10) years from date of purchase
ACCESSORIES (DEFECTS IN MATERIAL AND WORKMANSHIP)
• Nozzles, hoses, spray guns, wands, tires, rubber feet: Ninety (90) days from date of purchase
Page 34
NOTES
THIS PAGE WAS INTENTIONALLY LEFT BLANK
Page 35
THIS PAGE WAS INTENTIONALLY LEFT BLANK
Part Number 7114141 / ENGLISH REV D - 3/2023
READ THIS MANUAL CAREFULLY BEFORE OPERATION
Failure to follow the instructions and safety precautions in this manual can result
in property damage, serious injury and/or death.
SAVE THIS MANUAL FOR FUTURE REFERENCE
