Craftsman 917.377425 owner manual Drive Wheels, Engine

Models: 917.377425

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DRIVE WHEELS

TO SHARPEN BLADE

NOTE: We do not recommend

sharpening 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.

Blade

Key adapter Crankshaft keyway

Blade

Lockwasher

Blade

 

 

shaft

bolt

Hardened

Trailing

 

 

washer

edge

Blade adapter

GRASS CATCHER

(If purchased as an accessory)

The grass catcher may be hosed with water, but 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.

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 Grease, part no. 750369. Do not substitute.

DRIVE WHEELS

Check front drive wheels each time befon

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, 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 no1

turn freely, contact your nearest authorized service center.

ENGINE

LUBRICATION

Use only high quality detergent oil rated with API service classificationSF, SG or SH. Selec the oil'sSAE viscositygrade according to you expected operating temperature.

SAE VISCOSITY GRADES

-2O"

40"

-20 =

.10_

oP

10"

20"

30"

TEMPERATURE RANGE ANTICIPATED BEFORE NEXT O_L CHANGE

NOTE: Although multi-viscosity oils (5W30, 10W30 etc.) improve starting in cold weather, these multi-viscosity oils wil 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 orat least once a year ifthe 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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Craftsman 917.377425 owner manual Drive Wheels, Engine