Craftsman 917377380 22" REAR DISCHARGE POWER PROPELLED ROTARY LAWN MOWER

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Owner's Manual

This is the main product document for model 917377380. Additionally, the document applies to other Craftsman models: 917.377380

The file format is pdf, 30 pages, you can download this manual here .

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Owner's Manual
£R;IFTIMRN+
6.75 HORSEPOWER
22" REAR DISCHARGE
POWER PROPELLED
ROTARY LAWN MOWER
Model No.
917.377380
Safety
Assembly
Operation
Maintenance
EspaSol
Repair Parts
CAUTION:
Read and follow all
Safety Rules and Instructions
before operating this equipment
Sears, Roebuck and Co., Hoffman Estates, IL 60179
Visit our Craftsman website: www.sears.com/craffsman
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Warranty 2 Product Specifications 11
Safety Rules 2 Service and Adjustments 14
Assembly 4 Storage 16
Operation 6 Troubleshooting 17
Maintenance Schedule 10 Repair Parts 37
Maintenance 10 Parts Ordering Back Cover
LIMITED TWO YEAR WARRANTY ON CRAFTSMAN POWER MOWER
For two years from date of purchase, when this Craftsman Lawn Mower is maintained,
lubricated, and tuned up according to the operating and maintenance instructions in the
owner's manual, Sears will repair free of charge any defect in material or workmanship.
If this Craftsman Lawn Mower is used for commercial or rental purposes, this warranty
applies for only 90 days from the date of purchase.
This Warranty does not cover:
Expendable items which become worn during normal use, such as rotary mower
blades, blade adapters, belts, air cleaners and spark plug.
Repairs necessary because of operator abuse or negligence, including bent crank-
shafts and the failure to maintain the equipment according to the instructions con-
tained in the owner's manual.
Warranty service is available by returning the Craftsman power mower to the nearest
Sears Service Center/Department in the United States. This warranty applies only while
this product is in use in the United States.
This Warranty gives you specific legal rights, and you may also have other rights which
vary from state to state.
SEARS, ROEBUCKAND CO., D/817 WA, HOFFMAN ESTATES, ILLINOIS 60179
Safety standards require operator
presence controls to minimize the
risk of injury. Your unit is equipped
with such controls. Do not attempt to
defeat the function of the operator
presence controls under any
circumstances.
TRAINING:
Read this operator's manual carefully.
Become familiar with the controls and
know how to operate your mower
properly. Leam how to quickly stop
mower.
Do not allow children to use your mower.
Never allow adults to use mower without
proper instructions.
Keep the area of operation clear of all
persons, especially small children and
pets.
Use mower only as the manufacturer
intended and as descdbed in this
manual.
Do not operate mower if it has been
dropped or damaged in any manner.
Always have damage repaired before
using your mower.
Do not use accessory attachments that
are not recommended by the manufac-
turer. Use of such attachments may be
hazardous.
The blade turns when the engine is
running.
PREPARATION:
Always thoroughly check the area to be
mowed and clear it of all stones, sticks,
wires, bones, and other foreign objects.
These objects will be thrown by the
blade and can cause severe injury.
Always wear safety glasses or eye
shields when starting and while using
your mower.
Dress propedy. Do not operate mower
when barefoot or wearing open sandals.
Wear only solid shoes with good traction
when mowing.
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Check fuel tank before starting engine.
Do not fill gas tank indoors, when the
engine is running or when the engine is
hot. Allow the engine to cool for several
minutes before filling the gas tank. Clean
off any spilled gasoline before starting
the engine.
Always make wheel height adjustments
before starting your mower. Never
attempt to do this while the engine is
running.
Mow only in daylight or good artificial
light.
OPERATION:
Keep your eyes and mind on your
mower and the area being cut. Do not let
other interests distract you.
Do not mow wet or slippery grass. Never
run while operating your mower. Always
be sure of your footing -- keep a firm
hold on the handles and walk.
Do not put hands or feet near or under
rotating parts. Keep clear of the dis-
charge opening at all times.
Always stop the engine whenever you
leave or are not using your mower, or
before crossing driveways, walks, roads,
and any gravel--covered areas.
Never direct discharge of material
toward bystanders nor allow anyone
near the mower while you are operating
it.
Before cleaning, inspecting, or repairing
your mower, stop the engine and make
absolutely sure the blade and all moving
parts have stopped. Then disconnect the
spark plug wire and keep it away from
the spark plug to prevent accidental
starting.
Do not continue to run your mower if you
hit a foreign object. Follow the procedure
outlined above, then repair any damage
before restarting and operating you
mower.
Do not change the governor settings or
overspeed the engine. Engine damage
or personal injury may result.
Do not operate your mower if it vibrates
abnormally. Excessive vibration is an
indication of damage; stop the engine,
safely check for the cause of vibration
and repair as required.
Do not run the engine indoors. Exhaust
fumes are dangerous.
Never cut grass by pulling the mower
towards you. Mow across the face of
slopes, never up and down or you
might lose your footing. Do not mow
excessively steep slopes. Use caution
when operating the mower on uneven
terrain or when changing directions
maintain good footing.
Never operate your mower without
proper guards, plates, grass catcher or
other safety devices in place.
MAINTENANCE AND STORAGE:
Check the blade and the engine
mounting bolts often to be sure they are
tightened propedy.
Check all bolts, nuts and screws at
frequent intervals for proper tightness to
be sure mower is in safe working
condition.
Keep all safety devices in place and
working.
To reduce fire hazard, keep the engine
free of grass, leaves or excessive
grease and oil.
Check grass catcher often for deteriora-
tion and wear and replace worn bags.
Use only replacement bags that are
recommended by and comply with
specifications of the manufacturer of
your mower.
Always keep a sharp blade on your
mower.
Allow engine to cool before storing in
any enclosure.
Never store mower with fuel in the tank
inside a building where fumes may
reach an open flame or an ignition
source such as a hot water heater,
space heater, clothes dryer, etc.
_Look for this symbol to point out
important safety precautions. It means
CAUTION!!! BECOMEALERT!!! YOUR
SAFETY IS INVOLVED.
_,CAUTION: Always disconnect spark
plug wire and place wire where it cannot
contact spark plug in order to prevent
accidental starting when setting up,
transporting, adjusting or making repairs.
_,WARNING
The engine exhaust from this product
contains chemicals known to the State of
California to cause cancer, birth defects,
or other reproductive harm.
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These accessories were available when this lawn mower was produced. They are not
shipped with your mower. They are also available at most Sears retailoutletsand service
centers. Most Sears stores can aLsoorder repairpads for you, when you providethe model
number of your lawn mower, Some ofthese accessodes may notapply to your lawn mower.
LAWN MOWER PERFORMANCE
CLIPPING DEFLECTOR
FOR REAR DISCHARGE LAWN MOWERS
GRASS CATCHERS
FOR
REAR DISCHARGE
LAWN MOWERS
MULCHER KITS
_/! GRASS CATCHERS
FOR
SIDE DISCHARGE
LAWN MOWERS
LAWN MOWER MAINTENANCE
MUFFLERS
BELTS BLADES BLADE ADAPTERS
AIR FILTERS
WHEELS
A
STABILIZER
GAS CANS
SPARK PLUGS
ft
ENGINE OIL
Read these instructionsand this manual in its
entiretybefore you attempt to assemble or
operate your new lawn mower.
IMPORTANT: This lawn mower is shipped
WITHOUT.OIL OR GASOLINE inthe engine.
Your new lawn mower has been assembled
at the factory withthe exception of those parts
left unassembled for shipping purposes. All
partssuch as nuts, washers, bolts,etc.,
necessary to complete the assembly have
been placed inthe pads bag. To ensure safe
and proper operation of your lawn mower, all
parts and hardware you assemble must be
tightened securely. Use the correcttoolsas
necessary to ensure proper tightneas.
TOREMOVE LAWNMOWER FROM
CARTON
, Remove loose pads included with mower.
Cut down two end comers of carton and
lay end panel down fiat.
° Remove all packing matenals except
padding between upper and lower handle
and padding holding operator presence
control bar to upper handle.
Roll lawn mower out of carton and check
carton thoroughly for add'fdonaJloose
pads.
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HOWTOSETUPYOURLAWNMOWER
TO UNFOLD HANDLE
IMPORTANT: Unfold handles carefullyso as
not to pinch or damage control cables.
Raise handles until lower handle section
locks into place in mowing position.
Remove protective padding, raise upper
handle section into place on lower handle
and tighten both handle knobs.
Remove handle padding holding operator
presence control bar to upper handle.
Your lawn mower handle can be adjusted
for your mowing comfort. Refer to "Adjust
Handle" in the Service and Adjustment
section ofthis manual.
Operator presence contr_ol
bar _
Upper handle _ //'// /2' "¥_,
.,.u.j/.,..yl ,I'
Mowing
t_, _-_-_ '/ position
Lowerh_
TO INSTALL ATTACHMENTS
Your lawn mower was shipped ready to be
used as a mulcher. To convert to baggingor
discharging:
Open rear door and remove mulcher plug.
Store mulcher plug in a safe place.
You can now install catcher or optional
clipping deflector.
To return to mulching operation, install
mulcher plug into discharge opening of
mower. Be sure all tabs are seated
preperly.
Mulcher plug
ACAUTION: Do not run your lawn
mower without mulcher plug in place or
approved clipping deflector or grass
catcher in place. Never attempt to
operate the lawn mower with the rear
door removed or propped open.
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The operation of any lawn
mower can result in foreign
objects thrown into the eyes,
which can result in severe eye damage.
Always wear safety glasses or eye shields
while operating your lawn mower or
performing any adjustments or repairs.
We recommend a wide vision safety mask
over spectacles or standard safety
glasses.
HOW TO USE YOUR LAWN MOWER
ENGINE SPEED
The engine speed was set at the factory
for optimum performance. Speed is not
adjustable.
ENGINE ZONE CONTROL
_:iLCAUTION: Federal regulations require
an engine control to be installed on ttiis
lawn mower in order to minimize the risk
of blade contact injury. Do not under any
circumstances attempt to defeat the
function of the operator control. The blade
turns when the engine is running.
Your lawn mower isequipped with an
operator presence control bar which
requires the operator to be positioned
behind the lawn mower handle to start and
operate the lawn mower.
TO ADJUST CuI"rlNG HEIGHT
Raise wheels forlow cut and lower wheels
for high cut.
Adjust cuttingheight to suityour require-
ments. Medium positionisbest for most
lawns.
To change cuttingheight, squeeze adjuster
lever toward wheel. Move wheel up or
down to suit your requirements. Be sure all
wheels are in the same setting.
NOTE: Adjuster is properly positioned
when plate tab inserts into hole in lever.
Also, 9-position adjusters (if so equipped)
allow lever to be positioned between the
plate tabs.
Plate Tab
Lower Wheels for High Cut_
_ Lever
Raise Wheels for Low Cut
TO A'n'ACH GRASS CATCHER
Lift the rear door of the lawn mower
and place the grass catcher frame
hooks onto the door pivot pins.
The grass catcher is secured to the
lawn mower housing when the rear
door is lowered onto the grass catcher
frame.
_CAUTION: Do not run your lawn
mower without clipping deflector or
approved grass catcher in place. Never
attempt to operate the lawn mower with
the rear door removed or propped open.
door
Grass
catcher
handle
Pivot
pins Catcher
frame hook
TO EMPTY GRASS CATCHER
Lift up on grass catcher using the frame
handle.
Remove grass catcher with clippings
from under lawn mower handle.
Empty clippings from bag using both
frame handle and bag handle.
NOTE: Do not drag the bag when
emptying; it will cause unnecessary wear.
Bag handle
Grass
catcher
frame
handle
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MOWING TIPS
Under certain conditions, such as very
tall grass, it may be necessary to raise
the height of cut to reduce pushing effort
and to keep from overloading the engine
and leaving clumps of grass clippings. It
may also be necessary to reduce
ground speed and/or run the lawn
mower over the area a second time.
For extremely heavy cutting, reduce the
width of cut by overlapping previously
cut path and mow slowly.
For better grass bagging and most
cutting conditions, the engine speed
should be set in the fast position.
When using a rear discharge lawn
mower in moist, heavy grass, clumps of
cut grass may not enter the grass
catcher. Reduce ground speed (push-
ing speed) and/or run the lawn mower
over the area a second time.
If a trail of clippings is left on the right
side of a rear discharge mower, mow in
a clockwise direction with a small
overlap to collect the clippings on the
next pass.
Pores in cloth grass catchers can
become filled with dirt and dust with use
and catchers will collect less grass. To
prevent this, regularly hose catcher off
with water and let dry before using.
Keep top of engine around starter clear
and clean of grass clippings and chaff.
This will help engine air flow and extend
engine life.
MULCHING MOWING TIPS
IMPORTANT: For best performance, keep
mower housing free of built-up grass and
trash. See "Cleaning" in Maintenance section
of this manual.
The special mulching blade will recut the
grass clippings many times and reduce
them in size so that as they fall onto the
lawn they will disperse into the grass and
not be noticed. Also, the mulched grass will
biodegrade quickly to provide nutrients for
the lawn. Always mulch with your highest
engine (blade) speed as this will provide the
best recutting action of the blades.
Avoid cutting your lawn when it is wet. Wet
grass tends to form clumps and interferes
with the mulching action. The best time to
mow your lawn is the eady aftemeen. At
this time the grass has dried and the newly
cut area will not be exposed to the direct
sun.
For best results, adjust the lawn mower
cuttingheightso that the lawn mower cuts
offonly the top one-thirdofthe grass blades.
Ifthe lawn is overgrown itwillbe necessary
to raise the height of cut to reduce pushing
effort and to keep from overloading the
engine and leaving dumps of mulched
grass, For extremely heavy mulching,
reduce your width of cut by ovedapping
previously cut path and mow slowly.
Certain types of grass and grass conditions
may require that an area be mulched a
second time to completely hide the
clippings. When doing a second cut, mow
across or perpendicular to the first cut path.
Change your cutting pettem from week to
week. Mow north to south one week then
change to east to west the next week. This
will help prevent matting and graining of the
lawn.
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!
F,","DATES
.EOO ,RSERV,CEf y TSE"V'OE
Check for Loose Fasteners I##
Clean/Inspect Grass Catcher
(If Equipped) V _ _'
a Clean Lawn Mower
_l_l Clean Under Drive Cover
(Power-Propelled Mowers) I_
Check drive Pelt/pulleys
REi(Power.PropelladMowers) I/
Check/Sharpen/Replace Blade _3
Lubrication Chart hi'
Clean Battery/Rechar! e
IElectric Start Mowers ll/ 1_4
E .3beckEngine C
3hange Engine 1_1.2
G Clean Air Filter Ik/ 2
Inspect Muffler
Check Engine Oil Level
N Change Engine Oil
Clean Air Filter
Clean or Replace Spark Plug
Replace Air Filter Paper Cartridge
1 Changemoreoftenwhen operatingundera heavy load orin highambienttemperatures.
2 - Servicemoreoftenwhenoperelingin dirtyordustyconditions.
3 oRep/ace blades moreoftenwhen mowingin sandysoil.
4 Charge48 hours atend ofseason.
GENERAL RECOMMENDATIONS
The warranty on this lawn mower does not
cover items that have been subjected to
operator abuse or negligence. To receive
full value from the warranty, operator must
maintain mower as instructed in this
manual.
Some adjustments will need to be made
periodically to properly maintain your unit.
All adjustments in the Service and
Adjustments section of this manual should
be checked at least once each season•
Once a year, replace the spark plug,
replace air filter element and check
blade for wear. A new spark plug and
clean/new air filter element assures
proper air-fuel mixture and helps your
engine run better and last longer.
Follow the maintenance schedule in this
manual.
BEFORE EACH USE
Check engine oil level.
Check for loose fasteners.
LUBRICATION
Keep unit well lubricated (See "LUBRICA-
TION CHART").
LUBRICATION CHART
(_) Wheel adjuster ineoil
\
Rear door hinge
(_) Handle bracket mounting pin
(_) Spray lubncant
(_) Refer to Maintenance "ENGINE" seclJon.
IMPORTANT: Do not oilor grease plastic
wheel bearings. Viscous lubricantswill attract
dustand dirtthatwill shorten the lifeofthe self
lubricatingbear_, ifyou feet they must be
lubricated, use only a dry, powdered graphite
typeU0 cantapam .
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PRODUCT SPECIFICATIONS
SERIALNUMBER
DATE OF PURCHASE
GASOLINE CAPACITY/TYPE:
OIL TYPE (API-SF/SG/SH):
}IL CAPACITY:
;PARK PLUG (GAP: .030")
VALVE CLEARANCE:
SOLID STATE IGNITION
AIR GAP:
BLADE BOLT TORQUE:
1.5 QUARTS
UNLEADED REGULAR
SAE 30 (ABOVE 32°F)
SAE 5W-30 (BELOW 32°F)
20 OZS.
CHAMPION RJ19LM OR J19LM
INTAKE: .004 - .008
EXHAUST: .004 - ,008
.0125 IN.
35-40 FT. LBS.
, The model and serial numbers will be found on a decal attached to the rear of the
lawn mower housing.Record both serial number and date of purchase in space
provided above.
LAWN MOWER
Always observe safety rules when performing
any maintenance.
TIRES
Keep tires free of gasoline, oil, or insect
control chemicals which can harm rubber.
Avoid stumps, stones, deep ruts, sharp
objects and other hazards that may cause
tire damage.
BLADE CARE
For best results, mower blade must be
kept sharp. Replace bent or damaged
blades.
TO REMOVE BLADE
Disconnect spark plug wire from spark
plug and place wire where it cannot
come in contact with spark plug.
Turn lawn mower on its side. Make
sure air filter and carburetor are up.
Use a wood block between blade and
mower housing to prevent blade from
turning when removing blade bolt.
Protect your hands with gloves and/or
wrap blade with heavy cloth.
Remove blade bolt by turning counter-
clockwise.
Remove blade and attaching hardware
(bolt, lock washer and hardened
washer).
NOTE: Remove the blade adapter and
check the key inside hub of blade adapter.
The key must be in good condition to work
properly. Replace adapter if damaged.
TO REPLACE BLADE
Position the blade adapter on the
engine crankshaft. Be sure key in
adapter and crankshaft keyway are
aligned.
Position blade on the blade adapter
aligning the two (2) holes in the blade
with the raised lugs on the adapter.
Be sure the trailing edge of blade
(opposite sharp edge) is up toward the
engine.
Install the blade bolt with the lock
washer and hardened washer into
blade adapter and crankshaft.
Use block of wood between blade and
lawn mower housing and tighten the
blade bolt, turning clockwise.
The recommended tightening torque is
35-40 ft. Ibs.
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IMPORTANT: Blade bolt is grade 8 heat
treated.
TO SHARPEN BLADE
NOTE: We do not recommend sharpen-
ing blade - but if you do, be sure the blade
is balanced.
Care should be taken to keep the blade
balanced. An unbalanced blade will
cause eventual damage to lawn mower or
engine.
The blade can be sharpened with a file
or on a grinding wheel. Do not attempt
to sharpen while on the mower.
. To check blade balance, drive a nail
into a beam or wall. Leave about one
inch of the straight nail exposed. Place
center hole of blade over the head of
the nail. If blade is balanced, it should
remain in a horizontal position. If either
end of the blade moves downward,
sharpen the heavy end until the blade
is balanced. Crank shaft
Blade keyway
Key
Blade
bolt shaft
Lock Blade
washer Hardened edge adapter
washer
GRASS CATCHER
The grass catcher may be hosed with
water, b_ must be dry when used.
Check your grass catcher often for
damage or deterioration. Through normal
use it will wear. If catcher needs replacing,
replace only with a manufacturer approved
replacement catcher. Give the lawn
mower model number when ordering.
DRIVE WHEELS
Check front drive wheels each time before
you mow to be sure they move freely.
The wheels not turning freely means
trash, grass cuttings, etb. are in the drive
wheel area and must be cleaned to free
drive wheels.
If necessary to clean the drive wheels,
check both front wheels.
Remove hubcaps, hairpin cotters and
washers.
Remove wheels from wheel adjusters.
Remove any trash or grass cuttings
from inside the dust cover, pinion and/
or drive wheel gear teeth.
Put wheels back in place.
If after cleaning, the drive wheels do
not turn freely, contact your nearest
authorized service center.
GEAR CASE
To keep your drive system working
properly, the gear case and area
around the drive should be kept clean
and free of trash build-up. Clean under
the drive cover twice a season.
The gear case is filled with lubricant to
the proper level at the factory. The only
time the lubricant needs attention is if
service has been performed on the
gear case.
If lubricant is required, use only Texaco
Starplex Premium 1 Grease, Part No.
750369. Do not substitute.
ENGINE
LUBRICATION
Use only high quality detergent oil rated
with API service classification SF, SG or
SH. Select the oil's SAE viscosity grade
according to your expected operating
temperature.
SAE VISCOSITY GRADES
NOTE: Although multi-viscosity oils
(5W30, 10W30 etc.) improve starting in
cold weather, these multi-viscosity oils
will result in increased oil consumption
when used above 32°F. Check your
engine oil level more frequently to avoid
possible engine damage from running
low on oil.
Change the oil after every 25 hours of
operation or at least once a year if the
lawn mower is not used for 25 hours in
one year.
Check the crankcase oil level before
starting the engine and after each five (5)
hours of continuous use. Tighten oil plug
securely each time you check the oil
level.
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TO CHANGE ENGINE OIL
NOTE: Before tipping lawn mower to
drain oil, drain fuel tank by running
engine until fuel tank is empty.
Disconnect spark plug wire from spark
plug and place wire where it cannot
come in contact with spark plug.
Remove engine oil cap; lay aside on a
clean surface.
Tip lawn mower on its side as shown
and drain oil into a suitable container.
Rock lawn mower back and forth to
remove any oil trapped inside of
engine.
Wipe off any spilled oil on lawn mower
and on side of engine.
Fill engine with oil. Fill only to the
"FULL" line on the dipstick. DO NOT
overfill.
Replace engine oil cap.
Reconnect spark plug wire to spark
plug.
Container
AIR FILTER
Your engine will not run properly and
may be damaged by using a dirty air
filter.
Replace the air filter every year, more
often if you mow in very dusty, dirty
conditions. Do not wash air filter.
TO CHANGE AIR FILTER
Remove the air filter by turning
clockwise to the stop and pull away
from collar.
Remove filter from inside of cover.
Clean the inside of the cover and the
collar to remove any dirt accumulation.
Insert new filter into cover.
Put air filter cover and filter into collar
aligning the tab with the slot.
Push in on cover and turn counter-
clockwise to tighten.
Cellar
Slot
Clip
Turn
clockwise
to remove
Tab
Air filter
Air filter
cover
Turn counter-
clockwise to tighten
MUFFLER
Inspect and replace corroded muffler as
it could create a fire hazard and/or
damage.
SPARK PLUG
Change your spark plug each year to
make your engine start easier and run
better. Set spark plug gap at .030 inch.
CLEANING
IMPORTANT: For best performance,
keep mower housing free of built-up
grass and trash. Clean the underside of
your mower after each use.
ACAUTION: Disconnect spark plug wire
from spark plug and place wire where it
cannot come in contact with the spark
plug.
Turn lawn mower on its side. Make
sure air filter and carburetor are up.
Clean the underside of your lawn
mower by scraping to remove build-up
of grass and trash.
Clean engine often to keep trash from
accumulating. A clogged engine runs
hotter and shortens engine life.
Keep finished surfaces and wheels
free of all gasoline, oil,etc.
We do not recommend using a garden
hose to clean lawn mower unless the
electrical system, muffler, air filter and
carburetor are covered to keep water
out. Water in engine can result in
shortened engine life.
CLEAN UNDER DRIVE COVER
Clean under drive cover at least twice a
season. Scrape underside of cover with
putty knife or similar tool to remove any
build-up of trash or grass on underside
of drive cover.
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_I_CAUTION: Before performing any
service and adjustments:
Release control bar and stop engine.
Make sure the blade and all moving
parts have completely stopped.
Disconnect spark plug wire from spark
plug and place where it cannot come
in contact with plug.
LAWN MOWER
TO ADJUST CUTTING HEIGHT
See "TO ADJUST CUFFING HEIGHT" inthe
Operation section of this manual.
REAR DEFLECTOR
The roar deflector, attached between the rear
wheels of your lawn mower, is provided to
minimize the possibility that objects willbe
thrown out the roar of the lawn mower intothe
operator's mowing position. Ifthe rear
deflector becomes damaged, it should be
replaced.
TO REMOVE/REPLACE DRIVE BELT
Remove drive cover. Remove belt by
pushing down on gear case pulley and roll
belt off.
Turn lawn mower on itsside with carbure-
tor and fuel cap up.
Remove blade.
Remove debris shield.
Remove belt from engine pulley on
crankshaft.
Install new belt by reversing above steps.
Always use factory approved belt to assure
fit and long life.
TO ADJUST HANDLE
The upper handle may be adjusted to four
(4) different height positions.
Loosen both handle knobs only enough
to allow the upper handle to pivot to the
desired adjustment position..
Tighten both handle knobs securely.
Handle Knob
Drive
cover
Belt
Push
down
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TO ASSEMBLE GRASS CATCHER
Put grass catcher frame into grass bag
with rigid part of bag on the bottom.
Make sure the frame handle is outside
of the bag top,
Slip vinyl bindings over frame.
NOTE: If vinyl bindings are too stiff, hold
them in warm water for a few minutes. If
bag gets wet, let it dry before using,
_CAUTION: Do not run your lawn mower
without clipping deflector or approved
grass catcher in place, Never attempt to
operate the lawn mower with the rear
door removed or propped open.
Catcher
frame
handle
Frame
opening
ENGINE SPEED
Your engine speed has been factory set.
Do not attempt to increase engine speed
or it may result in personal injury. If you
believe that the engine is running too fast
or too slow, take your lawn mower to an
authorized service center for repair and
adjustment.
CARBURETOR
Your carburetor has a non-adjustable
fixed main jet for mixture control. If your
engine does not operate properly due to
suspected carburetor problems, take your
lawn mower to an authorized service
center for repair and/or adjustment.
IMPORTANT: never tamper with the
engine governor, which is factory set for
proper engine speed. Overspeeding the
engine above the factory high speed
setting can be dangerous, if you think the
engine-governed high speed needs
adjusting, contact your nearest authorzed
service center, which has proper
equipment and experience to make any
necessary adjustments.
15
background
Immediately prepare your lawn mower for
storage at the end of the season or ifthe unit
will not be used for 30 days or more.
LAWN MOWER
When lawn mower isto be stored for a period
of time, clean itthoroughly, remove all dirt,
grease, leaves, etc. Store in a clean, dry area.
Clean entire lawn mower (Sea "CLEAN-
ING" in the Maintenance section of this
manual).
Lubricate as shown in the Maintenance
section of this manual.
Be sure that all nuts, bolts, screws, and pins
are securely fastened. Inspect moving
parts for damage, breakage and wear.
Replace if necessary.
Touch up all rusted or chipped paint
surfaces; sand lightly before painting.
HANDLE
You can fold your lawn mower handle tor
storage.
Squeeze the bottom ends of the lower
handle toward each other until the lower
handle clears the handle bracket, then
move handle forward.
Loosen upper handle mounting bolts
enough to allow upper handle to be folded
back.
IMPORTANT: When folding the handle for
storage or transportation, be sure to fold the
handle as shown or you any damage the
control cables.
When setting up your handle from the
storage position, the lower handle will
automatically lock into the mowing position.
Lower
handle
Squeeze to fold
Handle
bracket
Operator presence control bar
\
Fold foward ,_j
for storage _,_
\\\I
't:'?.
Lower
handle
Upper
_.handle
,2'2 Fold
_; backward
Mowing
position
ENGINE
FUELSYSTEM
IMPORTANT: Itis importantto preventgum
deposits fromforming in essential fuel system
partssuch as carburetor, f fuelfilter,fuel hose
or tank during storage. Also, experience
indicates that alcohol blended fuels ( called
gasehol or using ethanol or methanol) can
attract moisture which leads to separation and
formation of acids duringstorage. Acidic gas
can damage the fuel system of an engine
while in storage.
Drain the fuel tank.
Start the engine and let itrun untilthe fuel
lines and carburetor are empty.
Never use engine or carburetor cleaner
products in the fuel tank or permanent
damage may occur.
Use fresh fuel next season.
NOTE: Fuel stabilizer isan acceptable
alternative in minimizingthe formationof fuel
gum deposits duringstorage. Add stabilizer
to gasoline infuel tank or storage container.
Always follow the mix ratio found on stabilizer
container. Run engine at least 10 minutes
after adding stabilizer to allow the stabilizer to
reach the carburetor. Do not drain the gas
tank and carburetor if using fuel stabilizer.
Hairpin
cotter
16
background
ENGINEOIL
Drain oil (with engine warm) and replace with
clean engine oil. (See "ENGINE" in the
Maintenance section of this manual).
CYLINDER
Remove spark plug.
Pour one ounce (29 ml) of oilthrough spark
plug hole into cylinder.
Pullstarter handle slowly a few times to
distribute oil.
Replace with new spark plug.
OTHER
Do not store gasoline from one season to
another.
TROUBLESHOOTINGCHART
CAUSE
Loss of power
Poor cut- uneven
1. Dirty air filter.
2. Out offuel.
3. Stale fuel.
4. Water infuel.
5. Spark plug wire is
disconnected.
6. Bad spark plug.
7. Loose blade or broken blade
adapter.
8. Control bar in released
position.
9. Control bar defective.
1. Rear of lawn mower housing
or cutting blade dragging
in heavy grass.
2. Cutting too much grass.
3. Dirty air filter.
4. Buildupof grass, leaves,
and trash under mower.
5. Too much oil in engine.
6. Walldng speed too fast.
1. Worn, bent or loose blade.
2. Wheel heights uneven.
3. Buildupof grass, leaves
and trash under mower.
17
Replace your gasoline can if your can
startsto rust. Rust and/or dirt in your
gasoline will cause problems.
If possible, store your unit indoorsand
cover it to give protectionfrom dust and dirt.
Cover your unitwith a suitable protective
cover that does not retainmoisture. Do
not use plastic. Plasticcannot breathe
which allows condensation to form and will
cause your unitto rust.
IMPORTANT: Never cover mower while
engine and exhaust areas are still warm.
_CAUTION: Never store the lawn
mower with gasoline in the tank inside a
building where fumes may reach an open
flame or spark. Allow the engine to cool
before storing in any enclosure.
CORRECTION
1. Clean/replace air filter.
2. Fill fuel tank.
3. Drain tank and refill with
fresh clean fuel.
4. Drain fuel tank and
carburetor and refill tank
with fresh gasoline,
5. Connect wire to plug.
6. Replace spark plug.
7. Tighten blade belt or
replace blade adapter.
8. Depress control bar to
handle.
9. Replace control bar.
1. Set to"Higher Cut_
position.
2. Set to =Higher Cut"
position.
3. Clean/replace air filter.
4. Clean underside of mower
housing.
5. Check oil level.
6. Cut at slower walking
speed.
1. Replace blade. T_jhten
blade bolt.
2. Set all wheels at same
height
3. Clean underside of
mower housing.
background
TROUBLESHOOTING CHART
PROBLEM CORRECTION
Excessive
vibration
Starter rope hard
to pull
CAUSE
1. Worn, bent or loose blade.
2. Bent engine crankshaft.
1. Engine flywheel brake is on
when control bar is released.
2. Bent engine crankshaft.
Loss of drive
Grass catcher
not filling (if so
equipped)
Hard to push
3. Blade adapter broken.
4, Blade dragging in gross.
I• Drive wheels not turning
with drive control engaged..
2. Belt not driving
!. Cutting height too !ow,
2. Lift on blade worn off.
3. Catcher not venting air,
1. Grass is too high or wheel
height istoo low.
2. Rear of lawn mower
housing or blade dragging
in grass.
3. Grass catcher too full.
4. Handle height position not
right for you.
1. Replace blade. 1]ghten
blade bolt.
2. Contact an authorized
service center.
1. Depress control bar to
upper handle before
pulling starter rope.
2. Conta_ an authorized
service center.
3. R_p_ace blade adapter.
4, t,Aove lawn mower to cut
grass or to hard surface•
i. Adjust or replace drive control
cable.
2. Put belt on pulleys or
[epiace belts if broken.
i, Raise cutting height,
2. Replace blade.
3, Clean grass catcher,
1. Raise cutting height.
2. Raise rear of lawn mower
housing one (1) setting
higher.
3. Empty grass catcher.
4. Adjust handle height to
suit.
18
background
ROTARY LAWN MOWER - - MODEL NO. 917.377380
GEAR CASE ASSEMBLY PART NUMBER 702511
17
KEY
NO,
2
3
4
6
PART
NO.
17490416
137055X004
137053
57072
48373
77881
137051
KEY PART
DESCRIPTION NO. NO.
Tapping Screw 1/4-20 x 9 137074
1-1/4 10 57079
Engagement Bracket 11 131484
Shifter 12 700343
Seal 13 86447
Gear Case Halves Kit 14 137050
(Includes Key Nos. 4, 15 750436X
and 7) 16 750369
Beadng 17 12000003
Worm Shaft 18 850848
19 91585X004
DESCRIPTION
DriveShaft
HardenedWasher
ClutchYoke
Bushing
Plug
HelicalGear
ClutchJaw
Grease
E-Ring
Hi-ProKey
SpringBracket
NOTE: All component dimensions given
in U.S. inches. 1 inch = 25.4 mm
37
background
ROTARY LAWN MOWER MODEL NUMBER 917.377380
798o
lO
37
3o
31- 29
13
\
27
28
27
16 12
20 37
35
56
13
41
51
77
background
ROTARY LAWN MOWER MODEL NUMBER 917.377380
8
KEY PART
NO. NO.
1 169933X479
2 153892
4 15O425
5 66426
6 136376
8 169936
9 170947
10 128415
11 150050
12 STD512505
13 150181
14 156374X479
15 _365X479
16 133190X479
17 140661X479
18 _,¢,¢,¢,¢,¢,¢,¢,¢,¢_01
20 140540
22 85543
23 87677
25 83923
27 150341
28 142748
29 62335
30 145935X004
31 701037
32 700331X004
34 146630
35 700325X007
37 150078
38 751592
39 173569X479
40 173570)(479
4! 150406
DESCRIPTION
UpperHandle
Engine Zone Control Cable
Mulchar Plug
WireTie
Handle Knob
ControlBar
EZ Rear Door Kit
Pop Rivet
Self Tapping Screw #10-16 x 1/2
HexTapping Screw w/Sems 1/4-20 x 1/2
Hubcap
Back Plate
Side Baffle
Discharge Baffle
Rear Baffle
Keps Locknut 1/4-20
RearSkirt
Engine Pulley
Hi-Pro Key #505
Hex Flange Nut
Wheel
Shoulder Bolt 3/8-16 x 1
Spnng Washer
Axle Arm Assembly
Selector Knob
Selector Spring
Spacer
Wheel Adjusting Bracket (Right)
Thread Cutting Screw w/Seres 5/16-18 x 3/4
Nut
Handle Bracket Assembly (Left)
Handle Bracket Assembly (Right)
Hex Head Thread Rolling Screw 3/8-16 x 1-1/8
KEY PART
NO. NO. DESCRIPTION
44 172835
46 851514
47 141114
48 851074
49 850263
50 851084
51 170031
52 85463
56 88652
57 51793
58 151590X479
59 171407
61 132001
62 134612
64 ......
71 170939
72 170938
73 165912
77 17600406
78 170954
79 170953
80 170554
81 170955
82 170956
- - 161058
- - 171531
Lawn Mower Housing (Incl. Key #14, 15, 51 & 52)
Blade Adapter
Blade22"
Hardened Washer
Helical Washer 3/8-24 x 1-3/8 Gr. 8
Hex Head Machine Screw 3/8-24 x 1-3/8 Gr. 8
Kit Baffle
DangerDecal
Hinge Screw 1/4-20 x 1-1/4
Hairpin Cotter
LowerHandle
Handle Bolt
Rope Guide
Debris Shield
Engine-Craftsman - Model No. 143.006700
Spring RH
Spfin9 LH
Bolt
Screw. Hx. Serrated. 1/4 x 20
Handle Adjuster, Outside, LH
Handle Adjuster, Inside, LH
Handle Adjuster Spdng
Handle Adjuster, Inside, RH
Handle Adjuster, Outside, RH
Warning Decal (Not Shown)
Owner's Manual (English/Spanish)
Available accessories not included with lawn mower:.
-- D/98 33313 Clipping Deflector
-- 71 33623 Gas Can
-- 71 33500 FuelStabi{zer
- - 71 33300 SAE 30W Oil (20 oz.)
background
ROTARY LAWN MOWER MODEL NUMBER 917.377380
54
\ \
18
14
15
16
11
/
13
8
25
8
14
13
background
ROTARY LAWN MOWER MODEL NUMBER 917.377380
KEY PART
NO. NG DESCRIPTION
KEY PART
NO. NO. DESCRIPTION
1 146323
3 751152
4 158755
5 146527
6 150495
8 150182
9 145212
11 150340
12 12000058
13 137054
14 88080
15 88118
16 67725
18 701037
ControlCableAssembly
Locknut#10-24
HexWasherHead Screw 114-20x 2.12
V-Be_t
SpringRetainer
Hubcap
Locknut
Wheel&TireAssembly
E-Ring
Pinion
DustCover
FeltWasher
Washer 1/2 x 1-1/2 x .134
SelectorKnob
25 166732
26 143603
28 15499O
31 132010
32 137052
35 151521
36 702511
37 137090
38 STD541425
40 75192
41 151520
53 144747
54 169932
55 86012
57 144748
Drive Cover Decal
Pan Head Tapping Screw #10-24 x 2-3/4
Drive Cover
Hex Flange Nut
Drive Pulley
Wheel Adjuster Assembly (Left)
Gear Case Assembly
Spnng
Locknut 1/4-20
sp_
Wheel Adjuster Assembly (Right)
FmmeThroat
Grassbag Assembly
Driveshaft Cover
FrameTube
background
CRAFTSMAN 4-CYCLE ENGINE MODEL NO. 143.006700
400
130
275,
1821_
370C
126
151A 1C
125
,285
174172
46
-%
"305
-306
238 250
42
background
CRAFTSMAN 4-CYCLE ENGINE MODEL NO. 143.006700
I I
KEY PART
NO. NO. DESCRIPTION
KEY
NO.
PART
NO.
1 37465 Cylinder (Incl. 2 & 20)
2 26727 Dowel Pin 174 30200
6 33734 Breather Element 178 29752
7 36557 Breather Ass'y. (Incl. 6 & 12A) 182 6201
12 36775 Breather Tube 184 26756
12A 36558 Breather Cover & Tube (Incl.
12B) 165 37466
12B 36694 Breather Tube Elbow 186 32653
14 28277 Washer 189 650839
15 30589 Governor Rod (Incl. 14) 191 36559A
16 34839A Governor Lever 195 610973
17 31335 Governor Lever Clamp 207 34336
18 651018 Screw, Torx T-15, 8-32 x 19/ 216 33086
64" 223 650451
t9 36281 Extension Spring 224 36786
20 32600 Oil Seal 238 650932
30 37464 Crankshaft 239 34338
40 40027 Piston, Pin & Ring Set (Std.) 241 36919
41 40042 Piston & Pin Ass'y. (Std.) (Incl. 245 36905
43) 250 36920
42 40006 Ring Set (Std.) 260 36980
43 20381 Piston Pin Retaining Ring 261 30200
45 36777 Connecting Rod Ass'y. (Incl. 262 650831
46) 263A 37184
46 32610A Connecting Rod Bolt 275 37462
48 27241 Valve Lifter 277 650986
50 37460 Camshaft (MCR) 285 35090A
52 29914 Oil PumpAss'y. 287 650926
69 35261 Mounting Flange Gasket 290 29774
70 34311E Mounting Flange (Incl. 72 thru 292 26460
83) 298 28763
72 30572 Oil Drain Plug (Incl. 73) 300 36916
73 28833 Drain Plug Gasket 301 36246
75 27897 Oil Seal 305 35647
80 30574A Governor Shaft 306 36996
81 30590A Washer 307 35499
82 30591 Governor GearAss'y. (Incl. 81) 309 650562
83 30588A Governor Spool 310 35648
86 650488 Screw, 1/4-20 x 1-1/4" 313 34080
89 611004 Flywheel Key 347 651038
90 611112 Flywheel 356 590701
92 650815 BelleviUe Washer 370A 36261
93 650816 Flywheel Nut 370C 37318
100 34443B Solid State Ignition 370R 37317
101 610118 Spark Plug Cover 380 640271
103 651007 Screw, TorxT-15,10-24x15/ 390 590739
16" 400 36792B
110 37047 Ground Wire
119 36787 Cylinder Head Gasket 416 36085
120 36825 Cylinder Head
125 36779 Exhaust Valve (Std.) (Incl. 417 650760
151) 900
36780 Exhaust Valve (1/32" OS) 900
(Incl. 151)
126 36782 Intake Valve (1/32" OS) (Incl.
151)
37289 Intake Valve (Std.) (Incl. 151)
130 6021A Screw, 5/16-18 x 1-1/2"
135 35395 Resistor Spark Plug (RJ19LM)
150 31672 Valve Spring
151 31673 Valve Spring Cap
151A 40017 Intake Valve Seal
169 36783 Valve Cover Gasket
172 36784 Valve Cover
DESCRIPTION
Screw, 10-24 x 9/16"
Nut & Lock Washer, 1/4-28
Screw, I/4-28 x 7/8"
Carburetor To Intake Pipe
Gasket
Intake Pipe
Governor Link
Screw, 1/4-20 x 3/8"
S.E. Brake Bracket (Incl. 195)
Terminal
Throttle Link
R.P.M. Adjusting Lever
Screw, 1/4-20 x 1"
Intake Pipe Gasket
Screw, 10-32 x 49/64"
Air Cleaner Gasket
Air Cleaner Collar
Air Cleaner Filter
Air Cleaner Cover
Blower Housing
Screw, 10-24 x 9/16"
Screw, 1/4-20 x 1/2"
Starter Grill
Muffler
Screw, 1/4-20 x 2-5/16"
Starter Cup
Screw, 8-32 x 21/64"
Fuel Line
Fuel Line Clamp
Screw, 10-32 x 35/64"
Fuel Tank (Incl. 292 & 301)
Fuel Cap
Oil Fill Tube
"O"-Ring P
"O"-Ring
Screw, 10-32 x 1/2"
Dipstick
Spacer
Screw, 10-32 x 51/64"
Starter Handle
Lubrication Decal
Primer Decal (3 X)
Warning Decal
Carburetor (Incl. 184)
Rewind Starter
Gasket Set (Incl. Items
Marked *)
Spark Arrestor Kit (Incl.
417) (Optional)
Screw, 8-32 x 3/8" (Optional)
Replacement Engine NONE
Replacement S/B 750859,
order from 71-999
RPM High 2900 to 3200
NOTE: This engine could have been built with 590702
starter.
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
43
background
CRAFTSMAN 4-CYCLE ENGINE MODEL NO. 143.006700
27
J_p,_37
44
background
CRAFTSMAN 4-CYCLE ENGINE MODEL NO. 143.006700
KEY
NO.
PART
NO. DESCRIPTION
--- 640271
1 631615
2 631767
4 631184
5 631183
6 640070
7 650506
16 631807
17 651025
18 630766
20 640027
20A 640200
25 631867
27 631024 *
28 632019
29 631028 *
30 631021 *
31 631022
35 640259
36 640080
36A 632766
37 632547 *
40 640030
44 27110A *
47 630748 *
48 631027 *
60 632760B
Carburetor (Incl. 184 of
Engine Parts List)
Throttle Shaft & Lever
Assembly
Throttle Return Spring
Dust Seal Washer
Dust Seal (Throttle)
Throttle Shutter
Shutter Screw
Fuel Fitting
Throttle Crack Screw/idle
Speed Screw
Tension Spring
Idle Restrictor Screw
Idle Restdctor Scrwe Cap
(Black)
Float Bowl
Float Shaft
Float
Float Bowl =O"Ring
Inlet Needle, Seat, & Clip
(Incl. 31)
Spring Clip
Primer Bulb/Retainer Ring
Main Nozzle Tube
Carburetor Tube
=O" Ring, Main Nozzle Tube
High Speed Bowl Nut
Bowl Nut Washer
Welch Plug, Idle Mixture Well
Welch Plug, Atmospheric Vent
Repair kit
(IncL Items Marked *)
45
background
CRAFTSMAN 4-CYCLE ENGINE MODEL NO. 143.006700
13
O
O--2
KEY
NO.
PART
NO. DESCRIPTION
1
2
3
4
5
6
7
8
11
12
13
590702 Recoil Starter
590599A Spring Pin (Incl. 4)
590600 Washer
590696 Retainer
590601 Washer
590697 Brake Spring
590698 Starter Dog
590699 Dog Spring
590700 Pulley & Rewind Spring Ass'y.
590703 Starter Housing Ass'y, (40
degree grommet)
590535 Starter Rope ( 98" X 9/64"
dia.)
590701 Starter Handle
46
background
CRAFTSMAN 4-CYCLE ENGINE MODEL NO. 143.006700
V_14
13
Ill II -7
KEY
NO.
PART
NO. DESCRIPTION
3
6
7
8
11
12
13
14
---- 590739 Rewind Starter
590740 Retainer
590616 Starter Dog
590617 Dog Spring
590618A Pulley & Rewind Spring Ass'y
590638 Starter Housing Ass'y (40
degree grommet)
590535 Starter Rope(Length 98" x 9/
64" dia.)
590701 Starter Handle
590760 Spdng Clip
47
background
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Specifications

Craftsman 917377380 Questions and Answers

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