Craftsman 9179998A Owner’s Manual

Owner's Manual
®
OTARY LAWN
550 Series Briggs & 21" Rear-Discharge
Model No.
MOWER
Stratton Engine
EspaSol, p. 18
CAUTION'.
Read and follow all Safety Rules and Instructions
before operating this equipment
Sears Brands Management Corp., Hoffman Estates, IL 60179 U.S.A.
Visit our Craftsman website: www.sears.com / craftsman
Warranty ................................................... 2
Safety Rules .......................................... 2-4
Product Specifications .............................. 4
Assembly / Pre-Operation ...................... 6
Operation ............................................. 7-10
Maintenance Schedule ........................... 11
CRAFTSMAN 2-YEAR FULL WARRANTY
For TWO YEARS from the date of purchase, this product is warranted against any
defects in material or workmanship. Defective product will receive free repair or
replacement if repair is unavailable. For warranty coverage details to obtain free repair or replacement, visit the web site:
www.craftsman.com This warranty covers ONLY defects in material and workmanship.
Warranty coverage does NOT include:
Expendable parts that can wear out from normal use within the warranty period, such as blades, blade adapters, belts, filters or spark plugs.
Product damage resulting from user attempts at product modification or repair or caused by product accessories.
Repairs necessary because of accident or failure to operate or maintain this product according to all supplied instructions.
Preventative maintenance, or repairs necessary due to improper fuel mixture, contaminated or stale fuel.
This warranty is void if this product is ever used while providing commercial services or
if rented to another person.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
Sears Brands Management Corporation, Hoffman Estates, IL 60179
Maintenance ...................................... 11-13
Service and Adjustments ........................ 14
Storage .............................................. 15-16
Troubleshooting ................................. 16-17
Repair Parts ....................................... 34-41
Sears Service .......................... Back Cover
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.
al:i,Look for this symbol to point out impor- tant safety precautions. It means
CAUTION!!! BECOME ALERT!!!
YOUR SAFETY IS INVOLVED.
_, 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 tocause cancer and birth defects or other reproductive harm.
_I,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.
,A 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.
2
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.
3
Never fill containers inside a vehicle, on a truck or trailer bed with a plastic liner.
Always place containers on the ground away from your vehicle before filling.
Remove gas-powered equipment from the truck or trailer and refuel it on the
ground. If this is not possible, then
refuel such equipment with a portable
container, rather than from a gasoline dispenser nozzle.
Keep the nozzle in contact with the rim of the fuel tank or container opening at all times until fueling is complete. Do
not use a nozzle lock-open device.
If fuel is spilled on clothing, change clothing immediately.
Never overfill fuel tank. Replace gas cap and tighten securely.
V. GENERAL SERVICE
Never run a machine inside a closed area.
Never make adjustments or repairs with the engine (motor) running. Disconnect the spark plug wire, and keep the wire
away from the plug to prevent accidental starting.
Keep nuts and bolts, especially blade attachment bolts, tight and keep equip- ment in good condition.
Never tamper with safety devices. Check their proper operation regularly.
Keep machine free of grass, leaves, or other debris build-up. Clean oil or fuel
spillage. Allow machine to cool before storing.
Stop and inspect the equipment if you strike an object. Repair, if necessary, before restarting.
Never attempt to make wheel height adjustments while the engine is running.
Grass catcher components are subject to wear, damage, and deterioration,
which could expose moving parts or
allow objects to be thrown. Frequently check components and replace with manufacturer's recommended parts,
when necessary.
Mower blades are sharp and can cut. Wrap the blade(s) or wear gloves, and use extra caution when servicing them.
Do not change the engine governor set- ting or overspeed the engine.
Maintain or replace safety and instruc- tion labels, as necessary.
&WARNING: 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: 1.6 Quarts (Unleaded Regular) Oil Type (API SG-SL): SAE 30 (above 32°F); SAE 5W-30 (below 32°F)
Oil Capacity: 16 Ounces Spark Plug (Gap: .030") Champion RC12YC
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 ifyour 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 its entirety before you attempt to assemble
or operate your new lawn mower. IMPORTANT: This lawn mower is shipped
WITHOUT OIL OR GASOLINE in the
engine.
Your new lawn mower has been assem-
bled at the factory with the exception of
those parts left unassembled for shipping
purposes. To ensure safe and proper operation of your lawn mower, all parts
and hardware you assemble must be tight- ened 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.
Operator MOWING
f POSITION control bar
///
///!
Upper
UP handle
Handle
knob
Lower handle
TO REMOVE 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 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 posi-
tion.
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 to bagging or
discharging, see "TO CONVERT MOWER"
in the Operation section of this manual.
6
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
Handle knob
Starter
handle
Gasoline filler cap
Grass catche
Engine oil ca
with dipstick
Muffle
Spark plug
Primer
Air filter
Wheel adjuster
IMPORTANT: This lawn mower is shipped (on each wheel)
WITHOUT OIL OR GASOLINE in the engine.
NOTE: Gasoline containing up to 10% ethanol (El0) is acceptable for use in this machine.
The use of any gasoline exceeding 10% ethanol (El0) will void the product warranty.
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. _I,WARNING: The blade turns when the engine is running.
Operator presence control bar- must Primer- pumps additional fuel from the be held down to the handle to start the carburetor to the cylinder for use when
engine. Release to stop the engine, starting a cold engine. Starter handle = used for starting engine. 7
The operationof any
SAFETYGLASSESlawnmowercan result
inforeignobjectsthrown intothe eyes,which can resultin severe eyedam-
age. Alwayswear safety glassesor eye shieldswhile operatingyour lawn mower or performinganyadjustmentsor repairs.
We recommenda standardsafetyglasses orwide visionsafety maskworn over spectacles.
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
_,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.
TO CONVERT MOWER Your lawn mower was shipped ready to be
used as a mulcher. To convert to 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
Catcher frame hook
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.
Grass
catcher
handle
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
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. A CAUTION" DO NOT overfill engine with oil, or it will smoke heavily from the muffler on startup.
1. Be sure lawnmower is level.
2. Remove oil dipstick from oil fill spout.
8
3. You receivea containerof oilwith the unit. Slowly pourthe entirecontainer
downthe oil fill spout intothe engine.
NOTE: Initial oilfill requiresonly 14 oz.
due to residualoil inenginefrom the
manufacturers100%qualitytesting.
When changingoil you mayneed 16oz.
4. Insertandtightendipstick. IMPORTANT:
Check oil level beforeeach use. Addoil
if needed. Fillto full line ondipstick.
Changethe oil afterevery25 hoursof
operationor eachseason. Youmay
needto change theoil moreoften underdusty,dirtyconditions. See "TO
CHANGE ENGINEOIL"in the Mainte-
nancesectionofthis manual.
Engine oil cap Gasoline filler cap
Primer
TO STOP ENGINE
To stop engine, release operator pres- ence control bar.
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. To start a cold engine, push primer three (3) times before trying to start.
Use a firm push. This step is not usually necessary when starting an engine which has already run for a few
minutes.
2. Hold operator presence control bar down to the handle and pull starter handle quickly. Do not allow starter
rope to snap back.
NOTE: In cooler weather it may be necessary to repeat priming steps. In
warmer weather over priming may cause flooding and engine will not start. If you do
flood engine, wait a few minutes before attempting to start and do not repeat
priming steps.
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.
& CAUTION: Wipe off any spilled oil or fuel. Do not store, spill or use gasoline
near an open flame.
& 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.
Starter
handle
9
MOWING TiPS
_, 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 dumps 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.
MAX 1/3
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.
10
MAINTENANCE BEFOREAFTEREVERY
SCHEDULE USE USE HOURS
m
Check for Loose Fasteners
_ Clean / Inspect Grass Catcher *
Check Tires
_ Check Drive Wheels I_
Clean Lawn Mower ....
M Clean under Drive Cover ***
O Check Drive Belt / Pulleys ***
_ Check / Sharpen / Replace Blade
R Lubrication
Clean and Recharge Battery ** Check Engine Oil level
IE 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.
EACH EACH 10
EVERY EVERY
25 HOURS 100
OR SEASON HOURS STORAGE
BEFORE
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.
LUBRICATION
Keep unit well lubricated (See "LUBRICATION CHART").
LUBRICATION CHART
(_) Wheel
adjuster (on
each wheel)
(_) Engine oil
(_ 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. Ifyou feel they
must be lubricated, use only adry, powdered
graphite type lubricant sparingly.
11
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 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.
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 hazardous, 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 and attaching hardware (bolt, Iockwasher and 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 (oppo- site 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.
Blade adapter Ke
Lockwasher
Blade
Blade
bolt Hardened .....::',::, / \
washer Trailing edge
Crankshaft
keyway (5W30, 10W30 etc.) improve starting in
', level more frequently to avoid possible
Crankshaft 12
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. 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.
GoRASSCATCHER
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
mower model number when ordering.
ENGINE
LUBRICATION
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 temperature.
SAE VISCOSITY GRADES
F -20 0 30 32 40 60 80 100
C -30 -2; -1; & 110 20 30 4;
TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE
NOTE: Although multi-viscosity oils
cold weather, these multi-viscosity oils will
result in increased oil consumption when used above 32°F. Check your engine oil
engine damage from running low on oil.
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.
TO CHANGE ENGINEOIL
NOTE: Beforetipping lawn mowerto drain oil, emptyfueltank by runningengineuntil
fuel tankis empty.
1. Disconnectspark plug wire fromspark plugand placewire where it cannot come in contactwith plug.
2. Removeengineoil cap; layaside on a cleansurface.
3. Tip lawn moweron its side as shown and drain oil into a suitablecontainer.
Rocklawn mowerbackand forthto re-
move any oil trappedinsideof engine.
4. Wipe off any spilled oil from lawn mower or side of engine.
5. Slowly pour oil down the oil fill spout, stopping every few ounces to check the oil level with the dipstick.
6. Stop adding oil when you reach the
FULL mark on the dipstick. Wait a
minute to allow oil to settle.
7. Continue adding small amounts of oil, rechecking the dipstick until oil level
settles at FULL. DO NOT overfill, or engine will smoke heavily from the muf- fler on startup.
8. Always be sure to retighten oil dipstick before starting engine.
9. Reconnect spark plug wire to plug.
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 ELEMENT
1. Remove cover.
2. Carefully remove foam element.
3. Wash foam element in liquid detergent and water.
4. Wrap foam element in cloth and squeeze dry.
5. Lightlycoatfoam elementwith clean engine oil. Squeeze intowel to re-
moveexcessoil. Do not saturate.
6. Installfoam element,then replace cover.
Slot
Foam element
Cover _J
MUFFLER
Inspect and replace corroded muffler as
it could create a fire hazard and / or dam- age.
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
mower after each use.
,I_CAUTION" Disconnect spark plug wire
from spark plug and place wire where it cannot come in contact with plug.
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 short-
ened engine life.
13
,_ WARNING" Toavoid seriousinjury,
beforeperformingany serviceand adjustments:
1. Releasecontrol barand stop engine.
2. Makesurethe bladeand all moving parts have completelystopped.
3. Disconnectspark plug wire fromspark plugand placewire where it cannot
come in contactwith plug.
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.
TO ADJUST HANDLE
The handle can be mounted in a high or
low position. The mounting holes in the bottom of lower handle are off center for
raising or lowering the handle.
1. Remove upper handle and all wire tie(s) securing cable(s) to lower handle.
2. Remove hairpin cotters from lower handle bracket mounting pin.
3. Squeeze lower handle in to remove it from mounting pins.
4. Turn lower handle over to raise or lower handle.
5. Squeeze lower handle in and position holes onto mounting pins on handle
bracket.
6. Reassemble upper handle and all parts removed from lower handle.
SQUEEZE i
TO ADJUST
Lower handle""'-- I
'l:0u Mounting pin ---_
_... Handle tt_r /
bracket Hairpin cotter
Mowing r-'q Mowing
_.Niposition,, position
Hairpin
___ _Handle
Mounting"_ .... LL_ bracket
pin LOW POSITION HIGH POSITION
\\
Lower handle
ROTATE
ENGINE
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 engine is running too fast or too slow, take your mower to a Sears or other qualified service center for repair
and adjustment. CARBURETOR
Your carburetor is not adjustable. If your engine does not operate properly due to suspected carburetor problems, take your
lawn mower to a Sears or other qualified 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 a Sears or other qualified service center, which has proper equipment and experience to make any
necessary adjustments.
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