Sears 917.257462 manual Engine, AIR FILTER See Fig, Maintenance

MAINTENANCE

TO CLEAN BATTERY AND TERMINALS -

Corrosion and dirt on the battery and terminals can cause the battery to "leak" power.

•Remove terminal guard.

•Disconnect BLACK battery cable first then RED bat- tery cable and remove battery from tractor.

•Wash battery with solution of four tablespoons of baking sodatoone gallon of water. Becareful notto get the soda solution into the cells.

•Rinse the battery with plain water and dry.

•Clean terminals and battery cable ends with wire brush until bright.

•Coat terminals with grease or petroleum jelly.

•Reinstall battery (See "INSTALL BA]-I-ERY" in the Assembly section of this manual).

V- BELTS

Check V-Belts for deterioration and wear after 100 hours. Replace if necessary. The belts are not adjustable. Re- place belts if they begin to slip from wear.

TRANSAXLE COOLING

Keep transaxle free from build-up of dirt and chaff which can restrict cooling.

ENGINE

LUBRICATION

Change the oil after the first two hours of operation and every 25 hours thereafter or at least once a year if the tractor is not used for 25 hours in one year.

Check the crankcase oil level before starting the engine and after each eight (8) hours of continuous use. Add SAE

30W motor oil or equalivent. Tighten oil fill cap/dipstick securely each time you check the oil level. SAE 5W-30 motor oil may be used to make starting easier in areas where temperature is consistently 32 ° F or lower.

TO CHANGE ENGINE OIL (See Fig. 16 and 17)-

Determine temperature range expected before oil change. All oil must meet API service classification SG.

•Be sure vehicle is on level surface.

•Oil will drain more freely when warm.

•Catch oil in a suitable container.

•Remove oil fill dipstick. Be careful not to allow dirt to enter the engine when changing oil.

•Remove drain plug.

•After oil has drained completely, replace oil drain plug and tighten securely.

•Refill engine with oil through oil fill dipstick tube. Pour

slowly. Do not overfill. For approximate capacity see Product Specifications on page 3 of this manual.

•Use gauge on oil fill dipstick for checking level. Be sure dipstick cap is tightened securely for accurate reading. Keep oil at "FULL" line on dipstick.

RECOMMENDED SAE VISCOSITY GRADES

-20° 0° 32" 60° 80 ° 100°

OIL FILL

DIPSTICK

FIG. 16

OIL DRAIN

PLUG

TO REMOVE

FIG. 17

AIR FILTER (See Fig. 18)

Your engine will not run properly and may be damaged by using a dirty air filter. Remove cartridge every 25 hours and tap gently to clean. Replace paper cartridge once a year or after every 100 hours of operation, more often if used in very dusty, dirty conditions.

•Remove knob and cover.

•Remove cartridge nut and clean or replace cartridge.

•Reassemble and tighten securely.

NOTE: Do not attempt to clean or oil the paper cartridge.

COVER KNOB

COVER _ CARTRIDGE

CARTRIDGE

I

FIG, 18

16