Sears 917.258473 CUSTOIVlE, Engine, V-Belts, Transaxle Cooling, AIR FILTER See Fig, Lubrication

Models: 917.258473

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CUSTOIVlE

CUSTOIVlE

V-BELTS

Check V_beltsfor deterioration and wear after 100 hours of

 

operation and replace if necessary The belts are not

 

adjustable Replace belts if they begin to slip from wear

/

OIL FILL CAP/DIPSTICK

TRANSAXLE COOLING

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

OIL DRAIN

PLUG

ENGINE

LUBRICATION

Only use high quality detergent oil rated with AP1 service classification SF, SG, or SH Select the oil'sSAE viscosity grade according to your expected operating temperature

SAE ViSCOSiTY GRADES

_f.,1=Ilk_.

4

OF .20_ O= 30" 32= 40° 60" 80" 100°

TEMPERATURE RANGE ANTtGIPATED BEFORE NEXT OIL CHANGE

NOTE: Although multi viscosity oils (5W30, 10W30 etch) improve starting in cold weather, these muftiwiscosity oils wilt result in increased oil consumption when used above 32°F Check your engine oil leve! 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 ayearif the tractoris not used for25 hours in oneyear

Check the crankcase oil level before starting the engine and after each eight (8) hours of operation° Tighten oil fill cap/dipstick securely each time you check the oil level

TO CHANGE ENGINE OIL (See Fig 14)

Determine temperature range expected before oil change° All oil must meet API service classification SF, SG or SHo

Be sure tractor is on Ievel surface

Oil will drain more freely when warm

Catch oil in a suitable container

Remove oil fill cap/dipstick Be careful not to allow dirt to enter the engine when changing oil

. Remove drain plugo

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

Refill engine with oil through oil fil! dipstick tube Pour

sIowly Do not overfill For approximate capacity see PRODUCT SPECIFICATIONS on page 3 of this manual°

°Use gauge on oil fill cap/dipstick for checking level Be sure dipstick cap is tightened securely for accurate reading° Keep oil at 'FULL line on dipstick

FIG. 14

AIR FILTER (See Fig. 15)

Your engine will not run properly using a dirty air filter, Clean the foam pre-cleanerafter every 25 hours of opera- tion or every season. Service paper cartridge every 100 hours of operation or every season, whichever occursfirsL

Service air cleaner more often under dusty conditions_

. Remove knob(s) and cover.

TO SERVICE PRE-CLEANER

°Slide foam pre-cleaner off cartridge

oWash it in liquid detergent and water = Squeeze it dry in a clean cloth°

°Saturate it in engine oil Wrap it in cEean, absorbent cloth and squeeze to remove excess oil

oIf very dirty or damaged, replace pre-cieanero ° Reinstall pre cleaner over cartridge

=Reinstaif cover and secure with knob(s)

TO SERVICE CARTRIDGE

=Remove cartridge nut

°Carefully remove cartridge to prevent debris from entering carburetor Clean base carefully to prevent debris from entering carburetor

=Clean cartridge bytapping gentlyon flat surface Ifvery dirb/or damaged, replace cartridge

oReinstall cartridge, nut, precleaner, cover and secure with knob(s)

IMPORTANT: PETROLEUM SOLVENTS SUCH AS

KEROSENE, ARE NOT TO BE USED TO CLEAN THE CARTRIDGE. THEY MAY CAUSE DETERIORATION OF

THE CARTRLDGEo DO NOT OIL CARTRIDGE DO NOT USE PRESSURIZED AIR TO CLEAN OR DRY CARTRIDGE°

KNOB

 

CARTRIDGE

COVER

NUT

 

FOAM

PAPER

 

CARTRIDGE

 

_BASE

19

FIG. 15

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Sears 917.258473 owner manual CUSTOIVlE, Engine, V-Belts, Transaxle Cooling, AIR FILTER See Fig, Lubrication