Craftsman 917.371721 User Manual

Owner's Manual
CRRFTSMIIN°
ROTARY LAWN MOWER
160cc Honda Engine Power-Propelled
21" Multi-Cut
Model No.
917.371721
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/craftsman
U.S.A.
Warranty ................................................... 2
Safety Rules .......................................... 2-4
Product Specifications .............................. 4
Assembly / Pre-Operation ........................ 6
Operation ............................................. 7-11
Maintenance Schedule ........................... 12
Maintenance ...................................... 12-15
Service and Adjustments ................... 15-17
Storage .............................................. 17-18
Troubleshooting ................................. 18-19
Repair Parts ....................................... 38-45
Sears Service .......................... Back Cover
2-YEAR FULL WARRANTY ON CRAFTSMAN LAWN MOWER
If this Craftsman Lawn Mower fails due to manufacturer defects in material or
workmanship within two years from the date of purchase, return it to any Sears store,
Parts & Repair Center or other Craftsman outlet for free repair (or replacement if repair proves impossible).
This warranty applies for only 90 days from the date of purchase if this Lawn Mower is ever used for commercial or rental purposes.
This warranty does not cover:
Expendable items that 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 crackshafts and the failure to assemble, operate or maintain this Lawn Mower according to all supplied product instructions.
This warranty applies only while this product is used 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, Roebuck and Co., Hoffman Estates, IL 60179
IMPORTANT: This cutting machine is capable of amputating hands and feet and throw-
ing objects. Failure to observe the following safety instructions could result in serious injury or death.
_,Look for this symbol to point out impor- tant safety precautions. It means
CAUTIONH! BECOME ALERTN!
YOUR SAFETY IS INVOLVED.
_i, WARNING: In order to prevent ac-
cidental starting when setting up, trans- porting, adjusting or making repairs, always disconnect spark plug wire and place wire where it cannot come in contact
with plug.
`&WARNING: Engine exhaust, some of its
constituents, and certain vehicle components contain or emit chemicals known to the State
of California to cause cancer and birth defects or other reproductive harm.
,&WARNING: Battery posts, terminals and
related accessories contain lead and lead compounds, chemicals known to the State
of California to cause cancer and birth defects or other reproductive harm. Wash
hands after handling.
`& CAUTION: Muffler and other engine
parts become extremely hot during
operation and remain hot after engine has stopped. To avoid severe burns on contact,
stay away from these areas.
I. GENERAL OPERATION
Read, understand, and follow all
instructions on the machine and in the manual(s) before starting. Be thoroughly
familiar with the controls and the proper
use of the machine before starting.
Do not put hands or feet near or under
rotating parts. Keep clear of the dis- charge opening at all times.
Only allow responsible individuals, who
are familiar with the instructions, to oper- ate the machine.
Clear the area of objects such as rocks,
toys, wire, bones, sticks, etc., which could be picked up and thrown by blade.
Be sure the area is clear of other people
before mowing. Stop machine if anyone enters the area.
Do not operate the mower when bare-
foot or wearing open sandals. Always wear substantial foot wear.
Do not pull mower backwards unless
absolutely necessary. Always look down and behind before and while moving
backwards.
Never direct discharged material toward
anyone. Avoid discharging material against a wall or obstruction. Material may richochet back toward the opera- tor. Stop the blade when crossing gravel
surfaces.
Do not operate the mower without
proper guards, plates, grass catcher or other safety protective devices in place.
See manufacturer's instructions for
proper operation and installation of accessories. Only use accessories ap- proved by the manufacturer.
Stop the blade(s) when crossing gravel
drives, walks, or roads.
Stop the engine (motor) whenever you
leave the equipment, before cleaning the mower or unclogging the chute.
Shut the engine (motor) off and wait until
the blade comes to complete stop before removing grass catcher.
Mow only in daylight or good artificial
light.
Do not operate the machine while under
the influence of alcohol or drugs.
Never operate machine in wet grass.
Always be sure of your footing: keep a
firm hold on the handle; walk, never run.
Disengage the self-propelled mech-
anism or drive clutch on mowers so equipped before starting the engine.
If the equipment should start to vibrate
abnormally, stop the engine (motor) and check immediately for the cause. Vibra-
tion is generally a warning of trouble.
Always wear safety goggles or safety glasses with side shields when operating
mower.
II. SLOPE OPERATION
Slopes are a major factor related to slip & fall accidents which can result in severe in-
jury. All slopes require extra caution. If you
feel uneasy on a slope, do not mow it.
DO:
Mow across the face of slopes: never
up and down. Exercise extreme caution
when changing direction on slopes.
Remove obstacles such as rocks, tree
limbs, etc.
Watch for holes, ruts, or bumps. Tall grass can hide obstacles.
DO NOT:
Do not trim near drop-offs, ditches or embankments. The operator could lose footing or balance.
Do not trim excessively steep slopes.
Do not mow on wet grass. Reduced foot-
ing could cause slipping.
III. CHILDREN
Tragic accidents can occur if the operator
is not alert to the presence of children.
Children are often attracted to the machine and the mowing activity. Never assume
that children will remain where you last saw them.
Keep children out of the trimming area
and under the watchful care of another responsible adult.
Be alert and turn machine off if children enter the area.
Before and while walking backwards,
look behind and down for small children.
Never allow children to operate the ma-
chine.
Use extra care when approaching blind
corners, shrubs, trees, or other objects
that may obscure vision.
IV. SAFE HANDLING OF GASOLINE Use extreme care in handling gasoline.
Gasoline is extremely flammable and the vapors are explosive.
Extinguish all cigarettes, cigars, pipes
and other sources of ignition.
Use only an approved container.
Never remove gas cap or add fuel with the engine running. Allow engine to cool
before refueling.
Never refuel the machine indoors.
Never store the machine or fuel contain- er where there is an open flame, spark
or pilot light such as a water heater or on other appliances.
Neverfill containersinsidea vehicle,on atruckortrailerbedwitha plasticliner.
Alwaysplacecontainersonthe ground
awayfromyourvehiclebeforefilling.
Removegas-poweredequipmentfrom thetruckortrailerandrefuel iton the
ground. Ifthis isnotpossible,then refuelsuchequipmentwith a portable container,ratherthanfroma gasoline dispensernozzle.
Keepthenozzlein contactwith the rim ofthe fueltank or containeropeningat
alltimes untilfueling iscomplete. Do notusea nozzlelock-opendevice.
Iffuel isspilledonclothing,change clothingimmediately.
Neveroverfillfuel tank. Replacegas capandtightensecurely.
V. GENERAL SERVICE
Neverruna machineinsidea closed area.
Nevermakeadjustmentsor repairswith theengine(motor)running.Disconnect thesparkplugwire,and keepthewire awayfromthe plugto preventaccidental starting.
Keepnutsand bolts,especiallyblade attachmentbolts,tightandkeepequip- mentin goodcondition.
Nevertamperwithsafetydevices.Check theirproperoperationregularly.
Keepmachinefreeofgrass,leaves,or otherdebrisbuild-up.Cleanoil orfuel spillage.Allowmachineto coolbefore storing.
Stopandinspectthe equipmentifyou strikean object.Repair,if necessary,
beforerestarting.
Neverattemptto makewheelheight adjustmentswhiletheengineis running.
Grasscatchercomponentsaresubject towear,damage,anddeterioration, whichcouldexposemovingpartsor
allowobjectstobe thrown.Frequently checkcomponentsandreplacewith manufacturer'srecommendedparts,
whennecessary.
Mowerbladesare sharpand cancut. Wrapthe blade(s)orweargloves,and
useextra cautionwhenservicingthem.
Donot changetheenginegovernorset- tingor overspeedtheengine.
Maintainor replacesafetyand instruc- tion labels,as necessary.
AWARNING: This lawn mower is equipped with an internal combustion engine and
should not be used on or near any unimproved forest-covered, brush-covered or grass-covered land unless the engine's exhaust system is equipped with a spark arrester meeting applicable local or state laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator.
In the state of California the above is required by law (Section 4442 of the California Public Resources Code). Other states may have similar laws. Federal laws apply on
federal lands. A spark arrester for the muffler is available through your nearest Sears
Parts & Repair Center (See the REPAIR PARTS section of this manual).
Serial Number: Date of Purchase:
Gasoline Capacity / Type: 1.0 Quarts (Unleaded Regular) Oil Capacity: 18.5 Ounces Oil Type (API SG-SL): SAE 30 (above 32°F) or SAE 10W-30 Spark Plug (Gap: .030") NGK BPR6ES
Valve Clearance (+ 0.04 mm): Intake: 0.015 mm; Exhaust: 0.020 mm
Blade Bolt Torque: 35-40 ft. Ibs.
The model and serial numbers will be found on a decal on the rear of the lawn mower housing. Record both serial number and date of purchase in space provided above.
4
Repair Protection Agreements
Congratulations on making a smart pur- chase. Your new Craftsman® product is
designed and manufactured for years of dependable operation. But like all prod-
ucts, it may require repair from time to
time. That's when having a Repair Protec- tion Agreement can save you money and aggravation.
Purchase a Repair Protection Agreement
now and protect yourself from unexpected
hassle and expense.
Here's what's included in the Agreement:
Expert service by our 12,000 profe- sional repair specialists.
Unlimited service and no charge for parts and labor on all covered repairs.
Product replacement if your covered product can't be fixed.
Discount of 10% from regular price of service and service-related parts not
covered by the agreement; also, 10% off regular price of preventive mainte-
nance check.
Fast help by phone- phone sup- port from a Sears representative on products requiring in-home repair, plus convenient repair scheduling.
Once you purchase the Agreement, a simple phone call is all that it takes for you
to schedule service. You can call anytime day or night, or schedule a service ap- pointment online. Sears has over 12,000 professional repair specialists, who have access to over 4.5 million quality parts and accessories. That's the kind of professionalism you can count on to help prolong the life of your
new purchase for years to come. Purchase your Repair Protection Agreement today! Some limitations and exclusions apply. For prices and additional information
call 1-800-827-6655.
Sears Installation Service
For Sears professional installation of home appliances, garage door openers, water heaters, and other major home items, in
the U.S.A. call 1-800-4-MY-HOME®.
These accessories were available when this lawn mower was produced. They are not shipped with your mower. They are also available at most Sears retail outlets and
service centers. Some of these accessories may not apply to your lawn mower.
LAWN MOWER PERFORMANCE
CLIPPING
DEFLECTORS
FOR
REAR DISCHARGE
LAWN MOWERS
GRASS CATCHERS
FOR
REAR DISCHARGE
LAWN MOWERS
STABILIZER
GRASS CATCHERS
FOR
SIDE DISCHARGE
LAWN MOWERS
LAWN MOWER MAINTENANCE
MUFFLERS
AIR FILTERS
SPARK PLUGS
BELTS BLADES
BLADE ADAPTERS
5
WHEELS
ENGINE OIL
Read these instructions and this manual in Operator its entirety before you attempt to assemble I
or operate your new lawn mower, control bar
IMPORTANT: This lawn mower is shipped WITHOUT OIL OR GASOLINE in the engine. Your new lawn mower has been as-
sembled at the factory with the excep- tion of those parts left unassembled for
shipping purposes. To ensure safe and UP
proper operation of your lawn mower, all
parts and hardware you assemble must be tightened securely. Use the correct tools
as necessary to ensure proper tightness. All parts such as nuts, washers, bolts, etc.,
necessary to complete the assembly have
been placed in the parts bag.
MOWING
POSITION
Upper
handle
Handle
knob
Lower handle
TO REMOVE LAWN MOWER FROM
CARTON
1. Remove loose parts included with mower.
2. Cut down two end corners of carton and lay end panel down flat.
3. Remove all packing materials except padding between upper and lower
handle and padding holding operator presence control bar to upper handle.
4. Roll lawn mower out of carton and check carton thoroughly for additional
loose parts.
HOW TO SET UP YOUR LAWN
MOWER
TO UNFOLD HANDLE
IMPORTANT: Unfold handle carefully so as not to pinch or damage control cables.
1. Raise handles until lower handle sec- tion locks into place in mowing position.
2. Remove protective padding, raise up- per handle section into place on lower handle and tighten both handle knobs.
3. Remove handle padding holding operator presence control bar to upper handle.
Your lawn mower handle can be adjusted for your mowing comfort. Refer to "AD- JUST HANDLE" in the Service and Adjust-
ments section of this manual.
TO ASSEMBLE GRASS CATCHER
1. 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.
2. 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.
Vinyl Frame bindings opening
TO INSTALL ATTACHMENTS Your lawn mower was shipped ready to be
used as a mulcher. To convert mower to bagging or discharging, see "TO CON-
VERT MOWER" in the Operation section of this manual.
KNOW YOUR LAWN MOWER
READ THIS OWNER'S MANUAL AND ALL SAFETY RULES BEFORE OPERATING
YOUR LAWN MOWER. Compare the illustrations with your lawn mower to familiarize yourself with the location of various controls and adjustments. Save this manual for
future reference.
These symbols may appear on your lawn mower or in literature supplied with the
product. Learn and understand their meaning.
CAUTION ENGINE ENGINE FAST SLOW CHOKE FUEL OIL DANGER, KEEP HANDS
OR WARNING ON OFF AND FEET AWAY
- Operator presence control bar
Drive control
bar
Gasoline filler cap
Starter Fuel valve lever handle
Spark plug
Grass catche_
Engine oil cal
with dipstick
Muffler
Mulcher door
Drive cover
Wheel adjuster (on each wheel)
Housing
IMPORTANT: This lawn mower is shipped WITHOUT OIL OR GASOLINE in the engine. MEETS CPSC SAFETY REQUIREMENTS
Sears rotary walk-behind power lawn mowers conform to the safety standards of the
American National Standards Institute and the U.S. Consumer Product Safety Com-
mission. The blade turns when the engine is running. Operator presence control bar - must
be held down to the handle to start the
engine. Release to stop the engine.
Starter handle - used for starting engine.
Drive control bar - used to engage
power-propelled forward motion of mower. Mulcher door - allows conversion to
discharging or bagging operation.
Theoperationof any
SAFETYGLASSESlawnmowercan result
inforeignobjectsthrown intotheeyes,whichcan resultinsevereeyedam-
age.Alwayswearsafetyglassesoreye
shieldswhileoperatingyour lawnmower or performinganyadjustmentsor repairs.
Werecommendastandardsafetyglasses orwidevisionsafetymaskwornover spectacles.
O presence control bar
Drive
control bar
DRIVE
CONTROL
DISENGAGED
HOW TO USE YOUR LAWN MOWER
ENGINE SPEED Engine speed was set at the factory for
optimum performance. It is not adjustable.
ENGINE ZONE CONTROL
,I&CAUTION: Federal regulations require
an engine control to be installed on this 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 is equipped 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.
DRIVE CONTROL
Self-propelling is controlled by hold- ing the operator presence control bar
down to the handle and pulling the drive control bar up to the handle. The closer to the handle the bar is pulled, the faster
the unit will travel.
Forward motion will stop when either the operator presence control bar or drive control bar are released. To stop
forward motion without stopping engine,
release the drive control bar only. Hold operator presence control bar down against handle to continue mowing
without self-propelling.
NOTE: If after releasing the drive control
the mower will not roll backwards, push the mower forward slightly to disengage drive wheels.
To keep drive control engaged when turning corners, push down on the
handle to lift the front wheels off the ground while turning lawn mower.
TO ADJUST,
MOVE DOWN
TO NEXT HOLE
DRIVE CONTROL ADJUSTMENT Over time, the drive control system may
become "loose", resulting in decreased speed. There are holes in the drive
control housing to increase tension on the drive cable. Proceed as follows:
1. Turn unit off and disconnect spark plug wire from spark plug.
2. Loosen nut, move drive control hous- ing down handle to the next hole and
retighten nut.
3. Operate mower to test drive speed.
4. If condition fails to improve after the above steps (forward speed remains the same), your drive belt is worn and should be replaced.
TO ADJUST CUTTING HEIGHT Raise wheels for low cut and lower wheels
for high cut, adjust cutting height to suit
your requirements. Medium position is best for most lawns.
To change cutting height, squeeze ad-
juster lever toward wheel. Move wheel
up or down to suit your requirements. Be sure all wheels are in the same set-
ting.
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.
LEVER BACKWARD TO LOWER MOWER
LEVER FORWARD TO RAISE MOWER Lever
Plate tab
TOCONVERTMOWER
Your lawn mower was shipped ready to be
used as a mulcher. To convert to bagging
or discharging:
REAR BAGGING
Lift rear door of the lawn mower and place the grass catcher frame hooks
onto the door pivot pins.
To convert to mulching or discharging operation, remove grass catcher and
close rear door.
Pivot pins Rear
Grass
catcher
handle
Catcher frame hook SIDE DISCHARGING
Rear door must be closed.
Open mulcher door and install dis- charge deflector under door as shown.
Mower is now ready for discharging operation.
To convert to mulching or bagging opera- tion, discharge deflector must be removed
and mulcher door must be closed.
\\\
MOWER IS NOW READY FOR
DISCHARGING OPERATION
SIMPLE STEPS TO REMEMBER WHEN CONVERTING YOUR LAWN MOWER
FOR MULCHING -
1. Rear door closed.
2. Mulcher door closed. FOR REAR BAGGING -
1. Grass catcher installed.
2. Mulcher door closed. FOR SIDE DISCHARGING -
1. Rear door closed.
2. Discharge deflector installed.
ACAUTION: Do not run your lawn mow-
er without rear door closed or approved grass catcher in place. Never attempt to
operate the lawn mower with the rear door removed or propped open.
TO EMPTY GRASS CATCHER
1. Lift up on grass catcher using the frame handle.
2. Remove grass catcher with clippings from under lawn mower handle.
3. Empty clippings from bag.
NOTE: Do not drag the bag when empty- ing; it will cause unnecessary wear.
Open mulcher door
Install
discharge deflector
Grass
catcher
frame
BEFORE STARTING ENGINE
ADD OIL
Your lawnmower is shipped without oil in the engine. For type and grade of oil to
use, see "ENGINE" in the Maintenance
section of this manual.
CAUTION: DO NOT overfill engine with
oil, or it will smoke on startup.
1. Be sure lawnmower is level.
2. Remove oil fill cap/dipstick from oil fill spout.
3. You recieve a container of oil with the unit. Slowly pour the entire container
down the oil fill spout into the engine.
4. Insert and tighten oil fill cap/dipstick. IMPORTANT:
Check oil level before each use. Add oil
if needed. Fill to full line on dipstick.
Change the oil after every 25 hours of
operation or each season. You may need to change the oil more often under dusty, dirty conditions. See "TO
CHANGE ENGINE OIL" in the Mainte- nance section of this manual.
Oil fill cap / Gasoline
di filler cap
Upper Lowe mark mark
A CAUTION: Alcohol blended fuels
(called gasohol or using ethanol or metha- nol) can attract moisture which leads to
separation and formation of acids during storage. Acidic gas can damage the fuel system of an engine while in storage. To avoid engine problems, the fuel system should be emptied before storage of 30 days or longer. Empty the gas tank, start the engine and let it run until the fuel lines and carburetor are empty. Use fresh fuel
next season. See Storage Instructions for additional information. Never use engine or carburetor cleaner products in the fuel tank or permanent damage may occur.
TO STOP ENGINE
To stop engine, release operator pres- ence control bar. Wait until blade and
all moving parts have stopped and turn
fuel valve to OFF position if you do not
intend to restart the engine soon.
TO START ENGINE NOTE: Due to protective coatings on the
engine, a small amount of smoke may be present during the initial use of the product and should be considered normal.
1. Be sure fuel valve is in ON position.
2. Move choke lever to ON (1".,I)position.
3. Hold operator presence control bar
down to the handle and pull starter handle quickly, Do not allow starter rope to snap back.
NOTE: The choke lever automatically begins moving to the OFF position when operator presence control bar is held
down to handle,
OFF lever
ADD GASOLINE
Fill fuel tank to bottom of tank filler neck. Do not overfill. Use fresh, clean, regular
unleaded gasoline with a minimum of 87 octane. Do not mix oil with gasoline.
Purchase fuel in quantities that can be used within 30 days to assure fuel fresh-
ness.
A CAUTION: Wipe off any spilled oil or fuel. Do not store, spill or use gasoline
near an open flame.
Fuel valve lever
10
MOWING TIPS
A& CAUTION: Do not use de-thatcher
blade attachments on your mower. Such attachments are hazardous, will damage
your mower and could void your warranty.
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 cut- ting conditions, the engine speed should
be set in the FAST position.
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 the
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 recut- ting 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 early
afternoon. At this time the grass has dried, yet the newly cut area will not be
exposed to direct sunlight.
For best results, adjust the lawn mower
cutting height so that the lawn mower cuts off only the top one-third of the
grass blades. If the lawn is overgrown
it will be necessary to raise the height of cut to reduce pushing effort and to keep
from overloading the engine and leaving
clumps of mulched grass. For extremely heavy grass, reduce your width of cut by overlapping 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 sec- ond cut, mow across (perpendicular) to the first cut path.
Change your cutting pattern 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.
11
1/3
SCHEDULE
Check for Loose Fasteners
L Clean / Inspect Grass Catcher *
_ Check Tires
N Check Drive Wheels ***
Clean Lawn Mower ....
M Clean under Drive Cover ***
O Check Drive Belt / Pulleys ***
_ heck / Sharpen / Replace Blade
Lubrication
Clean and Recharge Battery ** Check Engine Oil level
_' Change Engine Oil N Clean Air Filter
_ Inspect Muffler
N Replace Spark Plug E Replace Air Filter Paper Cartridge
Empty fuel system or add Stabilizer
* (if so equipped)
** Electric-Start mowers
*** Power-Propelled mowers
**** Use a scraper
to clean under deck
1 - Change more often if operating under a heavy load or in high outdoor temperatures. 2 - Service more often if operating in dirty or dusty conditions. 3 - Replace blades more often when mowing in sandy soil, 4 - Charge 48 hours at end of season.
5 - And after each 5 hours of use.
BEFORE AFTER EVERY EVERY EVERY
EACH EACH 10 25HOURS 100 BEFORE
USE USE HOURS OR SEASON HOURS STORAGE
I/3
I/
I/
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 unit as instructed in this manual.
Some adjustments will need to be made
periodically to properly maintain your unit. At least once a season, check to see if you should make any of the adjustments described in the Service and Adjustments
section of this manual.
At least once a year, replace the spark plug, clean or replace air filter element and check blade for wear. A new spark
plug and clean/new air filter element assure proper air-fuel mixture and help 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.
LU BRICATION
Keep unit well lubricated (See "LUBRICATION CHART").
LUBRICATION CHART
Wheel
adjuster (on
each wheel)
-- -- -_ ine oil
I / ¢ Mulcher
I \ / door hinge pin
_" ") (_ Rear door
hinge
(_ Handle bracket mounting pins
Spray lubricant
_) See "ENGINE" in Maintenance section.
IMPORTANT: Do not oil or grease plastic
wheel bearings. Viscous lubricants will
attract dust and dirt that will shorten the life of the self-lubricating bearings. If you feel they
must be lubricated, use only a dry, powdered
2graphite type lubricant sparingly.
1
LAWN MOWER
Always observe safety rules when per- forming any maintenance.
TIRES
Keep tires free of gasoline, oil, or insect control chemicals which can harm rub-
ber.
Avoid stumps, stones, deep ruts, sharp objects and other hazards that may cause tire damage.
Blade adapter
Lockwasher _
Blade \ bolt Hardened
washer
Crankshaft
Key _-
,/ (
Crankshaft
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, etc. are in the drive wheel
area and must be cleaned to free drive
wheels.
If necessary to clean the drive wheels, be
sure to clean both front wheels.
1. Remove hubcaps, Iocknuts & washers.
2. Remove wheels from wheel adjusters.
3. Remove any trash or grass cuttings
from inside the dust cover, pinion and/ or drive wheel gear teeth.
4. Put wheels back in place. NOTE: If after cleaning, the drive wheels
do not turn freely, contact a Sears or other qualified service center.
BLADE CARE For best results, blade must be kept
sharp. Replace a bent or damaged blade. A CAUTION: Use only a replacement
blade approved by the manufacturer of
your mower. Using a blade not approved
by the manufacturer of your mower is haz- ardous, could damage your mower and
void your warranty. TO REMOVE BLADE
1. Disconnect spark plug wire from spark
plug and place wire where it cannot come in contact with plug.
2. Turn lawn mower on its side. Make
sure air filter and carburetor are up.
3. Use a wood block between blade and
mower housing to prevent blade from turning when removing blade bolt.
NOTE: Protect your hands with gloves
and/or wrap blade with heavy cloth.
4. Remove blade bolt by turning counter-
clockwise.
5. Remove blade & attaching hardware
(bolt, lock washer & hardened washer).
TO REPLACE BLADE
1. Position blade on the blade adapter aligning the two (2) holes in the blade
with the raised lugs on the adapter.
2. Be sure the trailing edge of blade (op- posite sharp edge) is up toward the engine.
3. Install the blade bolt with the lock
washer and hardened washer into
blade adapter and crankshaft.
4. 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.
IMPORTANT: Blade bolt is heat treated.
If bolt needs replacing, replace only with
approved bolt shown in the Repair Parts section of this manual.
TO SHARPEN BLADE NOTE: We do not recommend sharp-
ening the 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.
GRASS CATCHER
The grass catcher may be hosed with
water, but must be dry when used.
Check your grass catcher often for dam-
age or deterioration. Through normal
use it will wear. If catcher needs replac- ing, replace only with approved replace- ment catcher shown in the Repair Parts
section of this manual. Give the lawn
13
mower model number when ordering.
GEARCASE
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.
TO CHANGE ENGINE OIL
NOTE: Before tipping lawn mower to
drain oil, empty fuel tank by running en- gine until fuel tank is empty.
1. Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug.
2. Remove oil fill cap/dipstick; lay aside on a clean surface.
3. Tip lawn mower on its side as shown and drain oil into a suitable container.
Rock lawn mower back and forth to re-
move any oil trapped inside of engine.
750369. Do not substitute.
ENGINE
Maintenance, repair, or replacement of the emission control devices and systems, which are being done at the customers ex-
pense, may be performed by any non-road engine repair establishment or individual. Warranty repairs must be performed by an
authorized engine manufacturer's service outlet.
SAE VISCOSITY GRADES
I,
,
Wipe off any spilled oil from lawn mower or side of engine.
5.
°F -20 0 30 32 40 60 80 100 °C -30 -20 -10 0 10 20 30
TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE
LU BRICATION
Use only high quality detergent oil rated with API service classification SG-SL.
Select the oil's SAE viscosity grade according to your expected operating
Fill engine with oil. Slowly pour oil
down the oil fill spout into the engine.
6.
Wait one minute to allow oil to settle.
Use guage on oil fill cap/dipstick for checking level. Insert dipstick into the tube and rest the oil fill cap on the
tube. DO NOT thread the cap into the tube when taking reading.
temperature.
NOTE: Multi-viscosity oils (5W30, 10W30 Oil fill cap /
etc.) improve starting in cold weather, and dipstick you should check your engine oil level fre-
quently 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 Upper
lawn mower is not used for 25 hours in
one year.
Check the crankcase oil level before Lower
starting the engine and after each five (5) mark
hours of continuous use. Tighten oil plug
securely each time you check the oil level.
7. Continue adding small amounts of oil and rechecking the dipstick until it reads full. DO NOT overfill, or engine will smoke on startup.
8. Always be sure to retighten oil fill cap/ dipstick before starting engine.
9. Reconnect spark plug wire to spark plug.
14
AIR FILTER
Your engine will not run properly and may
be damaged by using a dirty air filter. Replace the air filter every 100 hours of
operation or every season, whichever oc-
curs first. Service air cleaner more often under dusty conditions.
TO CLEAN AIR FILTER
1. Remove cover.
2. Carefully remove cartridge.
3. Clean by gently tapping on a flat sur- face. If very dirty, replace cartridge.
ACAUTION: Petroleum solvents, such
as kerosene, are not to be used to clean cartridge. They may cause deterioration
of the cartridge. Do not oil cartridge. Do
not use pressurized air to clean or dry cartridge.
4. Install cartridge, then replace cover.
Tab
Cartridge
MUFFLER
Inspect and replace corroded muffler as it
could create a fire hazard and/or damage.
SPARK PLUG
Replace spark plug at the beginning of each mowing season or after every 100 hours of operation, whichever occurs first. Spark plug type and gap setting
are shown in the "PRODUCT SPECIFIC-
ATIONS" section of this manual.
CLEANING IMPORTANT: For best performance, keep
mower housing free of built-grass and trash. Clean the underside of your lawn
mower after each use.
ACAUTION: Disconnect spark plug wire from spark plug and place wire where it
cannot come in contact with plug.
Clean the underside of your mower by scraping to remove build-up of grass/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 short- ened engine life.
Filter
WARNING: To avoid serious injury, before performing any service and adjustments:
1. Release control bar and stop engine.
2. Make sure the blade and all moving parts have completely stopped.
3. Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug.
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.
LAWN MOWER TO ADJUST CUTTING HEIGHT
See "TO ADJUST CUTTING HEIGHT" in the Operation section of this manual.
REAR DEFLECTOR The rear deflector, attached between the
rear wheels of your mower, is provided to minimize the possibility that objects will
be thrown out of the rear of the mower into the operator mowing position. If the
deflector becomes damaged, it should be replaced.
15
Loading...
+ 33 hidden pages