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10

TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE

SAE VISCOSITY GRADES

-20

0

30

40

80

100

-30

-20

0

20

30

40

F
C

32

-10

10

60

5W-30

SAE 30

LAWN MOWER

Always observe safety rules when per-
 form ing any main te nance.

TIRES

•   Keep tires free of gasoline, oil, or insect 

control chemi cals which can harm rub-
ber.

•   Avoid stumps, stones, deep ruts, sharp 

objects and other hazards that may 
cause tire damage.

BLADE CARE

For best results, blade must be kept sharp.  
Re place bent or dam aged blades.

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 fi lter and carburetor are up.

3.   Use a wood block between blade and 

mower hous ing to prevent blade from 
turning when re mov ing 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 hard-

 ware (bolt, lock wash er and hardened 
wash er).

NOTE

:  Remove the blade adapter and 

check the key inside hub of blade adapter. 
The key must be in good con di tion to work 
properly. Replace adapter if damaged.

TO REPLACE BLADE 
1.   Position the blade adapter on the en-

gine crank shaft. Be sure key in adapter 
and crankshaft keyway are aligned.

2.   Position blade on the blade adapter 

aligning the two (2) holes in the blade 
with the raised lugs on the adapter.

3.   Be sure the trailing edge of blade (op-

posite sharp edge) is up toward the 
engine.

4.   Install the blade bolt with the lock 

washer and hardened washer into 
blade adapter and crankshaft.

5.   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. lbs.  

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 en ing 

blade - but if you do, be sure the blade is 
balanced. 
Care should be taken to keep the blade 
balanced. An un bal anced blade will 
cause eventual damage to lawn mower or 
engine. 
•   The blade can be sharp ened with a fi le 

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 ex posed. 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

(If purchased as an accesssory)
•  The grass catch er may be hosed with 

water, but must be dry when used.

•   Check your grass catcher often for dam-

age or de te ri o ra tion.  Through normal 
use it will wear.  If catcher needs replac-
ing, replace only with ap proved replace-
ment catcher shown in the Repair Parts 
section of this manual.  Give the lawn 
mower model number when ordering.

Blade adapter

Blade 
bolt

Crankshaft 

keyway

Hardened 
washer

Lockwasher

Blade adapter

Key

Blade

Trailing edge

Crank 

shaft

ENGINE

LUBRICATION

Use only high quality detergent oil rated with 
API service classifi cation SF-SJ.  Select the 
oil's SAE viscosity grade according to your 
expected operating temperature.

15

Loss of power        

1.   Rear of mower housing or       1.   Raise cutting height.    

                                      blade dragging in grass.               
                                2.   Cutting too much grass.           2.   Raise cutting height.
                                3.   Dirty air fi lter.                           3.   Clean/replace air fi lter.
                                4.   Buildup of grass, leaves,          4.   Clean underside of mower 
                                      and trash under mower.                 housing. 

 

                                5.   Too much oil in engine.            5.   Check oil level.
                                6.   Walking speed too fast.           6.   Cut at slower walking speed.

Poor cut –               

1.   Worn, bent or loose blade.      1.   Replace blade. Tighten  

uneven                    

                                                           blade bolt.

                                2.   Wheel heights uneven.            2.   Set all wheels at same  
                                                                                            height.

 

                               3.   Buildup of grass, leaves           3.   Clean underside of  

 

                                      and trash under mower.                 mower housing.

Excessive

              1.   Worn, bent or loose blade.      1.   Replace blade. Tighten  

vibration                 

                                                           blade bolt.

                                2.   Bent engine crankshaft.           2.   Contact a Sears or other
                                                                                            qualifi ed service center.

Starter rope

           1.   Engine fl ywheel brake is on     1.   Depress control bar to 

hard to pull                  

when control bar is released.         upper handle before    

                                                                                            pulling the starter rope.
                                2.   Bent engine crankshaft.           2.   Contact a Sears or other
                                                                                            qualifi ed service center.
                                3.   Blade adapter broken.             3.   Replace blade adapter.
                                4.   Blade dragging in grass.          4.   Move lawn mower to cut  
                                                                                            grass or to hard surface.

Grass catcher

        1.  Cutting height too low.             1.   Raise cutting height.

not fi lling

               2.   Lift on blade worn off.              2.   Replace blade. 

(If so equipped)

     3.   Catcher not venting air.            3.   Clean grass catcher.

Hard to push

         1.   Grass is too high or wheel       1.   Raise cutting height.

                                      height is too low.
                                2.   Rear of mower housing or       2.   Raise rear of mower housing
                                      blade dragging in grass.                one (1) setting higher.
                                3.   Grass catcher too full.              3.   Empty grass catcher.
                                4.   Handle height position not       4.   Adjust handle height to suit.
                                      right for you.

PROBLEM                 CAUSE                                        CORRECTION 

TROUBLESHOOTING - See appropriate section in manual unless directed 
to a Sears Service Center.

Содержание 944.364230

Страница 1: ...n U S A 02489 Model No 944 364230 CAUTION Read and follow all Safety Rules and Instructions before operating this equipment Owner s Manual ROTARY LAWN MOWER 4 5 Horsepower 22 Side Discharge Sears Canada Inc Toronto Ontario M5B 2B8 ...

Страница 2: ...e 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 contained in the owner s manual Warranty service is available by returning the Craftsman Power Mower to the nearest Sears Parts Repair Centr...

Страница 3: ...se slipping III CHILDREN Tragic accidents can occur if the operator is notalerttothepresenceofchildren 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 wh...

Страница 4: ...ing 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 Mowing position Lower handle LIFT UP Operator presence control bar Upper handle LIFT UP Serial Number Date of Purchase Gasoline Capacity Type 1 7 Litres Unleaded Regular Oil Type API SF SJ SAE 30 above 32 F 0...

Страница 5: ...s Marked 5 OPERATION 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 Starter handle Housing Primer Wheel adjuster on each wheel Handle knob Engine oil cap with dipstick Operator presenc...

Страница 6: ...olt 48 27241 Valve Lifter 50 37575 Camshaft NCR Includes Key Number 104 52 29914 Oil Pump Assembly 69 37609 Mounting Flange Gasket 70 37608 Mounting Flange Includes Key 72 thru 83 306 309A and 311A 72 37614 Oil Drain Plug 72A 28534 Oil Drain Plug 75 27897 Oil Seal 80 30574A Governor Shaft 81 30590A Washer 82 30591 Governor Gear Assembly Includes Key Number 81 83 30588A Governor Spool 86 650488 Scr...

Страница 7: ...ontainer of oil with the unit Slowly pour the entire container down the oil fill spout into the engine 4 Insert and tighten 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 nan...

Страница 8: ...wn 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 do...

Страница 9: ...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 r...

Страница 10: ... 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 If purchased as an accesssory 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 wi...

Страница 11: ... 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 TO CHANGE ENGINE OI...

Страница 12: ...ORAGE Immediately prepare your lawn mower for storage at the end of the season or if the unit will not be used for 30 days or more LAWN MOWER When lawn mower is to be stored for a pe riod of time clean it thoroughly remove all dirt grease leaves etc Store in a clean dry area 1 Clean entire lawn mower See CLEANING in the Maintenance sec tion of this manual 2 Lubricate as shown in the Maintenance se...

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