Sears 917.372852 manual Lawn Mower

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CUSTOMER RESPONSIBILmES

LAWN MOWER

Always observe safety rules when performing any mainte- nance,

TIRES

- Keep tires free of gasoline, oil, or insect control chemi- cals 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 (See Fig I2)

•Disconnect spark plug wire from spark plug and place

wire where it cannot come in contact with spark plug

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_RANK-

SHAFT

KEYWAY

KEY _

. Turn tawn mower on its side Make sure airfilter and carburetor are up

LOCK WASHER

TRAtL1HG "\

EDGE BLADE ADAPTER

•Use a wood block between blade and mower hous-

ing to prevent blade from turning when removing blade bolt

°Protect your hands with gloves andfor 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 (See Fig. 12)

°Position the blade adapter on the engine crankshaft. Be sure key in adapter and crankshaft keyway are atigne&

•Position blade on the blade adapter atigning the two (2) holes in the blade with the raised tugs on the adapter.

. Be sure the trailing edge of blade (opposite sharp edge) is up toward the engine.

. fnstaltthe blade bolt with the lockwasher 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, lbs

IMPORTANT: BLADE BOLT iS GRADE 8 HEAT TREATED.

NOTE: We do not recommend sharpening blade - but if you do, be sure the blade is balanced

TO SHARPEN BLADE

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 fife 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 naiI

exposed Place center hole of blade over the head of the nail.. If blade is balanced, it should remain in

a horizontal position° tf either end of the blade

moves downward, sharpen the heavy end until the
blade is balanced.	13

FIG, 12

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 tile proper level at the factory The only time the lubricant needs attention is il service has been performed on the gear case.

•If lubricant is required, use only Texaco Starplex Pre- mium Grease, part no 750355: Do not substitute

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 cteaned 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,

•tf after cleaning, the drive wheels do not turn freely, contact your nearest authorized service center.

GRASS CATCHER

. The grass catcher may be hosed with water, but must be dry when used.

Check your grass catcher often for damage or deterio- ration. 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.