Sears 917.257651 - Manual (Page 17)

CUSTOMER RESPONSIBILITIES
V-BELTS
Check V-belts for dete rio ration 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,
TRANSAXLE COOLING
Keep transaxle free from build-up of dirt and chaff which
can restrict cooling
ENGINE
LUBRICATION
Only use high quality detergent oil rated with API service
classification SG,, Select the oii's SAE viscosity grade
according to your expected operating temperature,
SAE VISCOSITY GRADES
I I I
-20" 0" 30" 32* <10* 60" BO' 100'
c -30" -20*
■ 10 * 10 *
go* 30* <10*
TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANBE
FIG. 16
NOTE: Although multi-viscosity oils (5W30, 10W30 etc,)
improve starting in coid weather, these muiti-viscosity oils
will 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 the first two hours of operation and
every 50 hours thereafter or at least once a year if the
tractor is not used for 50 hours in one year.
Check the crankcase oil level before starting the engine
and after each eight (8) hours of operation, Tighten oil tilt
cap/dipstick securely each time you check the oi! level.
TO CHANGE ENGINE OIL {See Flgs.16 & 17)
Determine temperature range expected before oii change.
All oil must meet API service classification SG.
* Be sure tractor is on level surface.
» Of! Will drain more freely when warm
* Catch oil in a suitable container.
® Remove oil fili cap/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 fiii dipstick tube. Pour
slowly. Do not overfill, For approximate capacity see
"PRODUCT SPEClFICATiONS" on page 3 of this
manual.
“ Use gauge on oil tili cap/dipstick for checking level
Insert dipstick into the tube and rest the oil fill cap on the
lube, Do not thread the cap onto the tube when taking
reading. Keep oil at "FULL" line on dipstick. Tighten
cap onto the tube securely when finished.
AIR FILTER (See Fig. 17)
Your engine will not run properly using a dirty air filter.
Glean the foam pre-cleaner after every 25 hours of opera­
tion or every season. Service paper cartridge every 100
hours of operation or every season, whichever occurs first.
Service air cleaner more often under dusty conditions
■ Remove knob and cover,
“ Remove wing nut and air cleaner from base,
TO SERVICE PRE-CLEANER
» Slide foam pre-cleaner off cartridge.
• Wash it in iiquid detergent and water.
“ Squeeze it dry in a dean cloth,
• Saturate it In engine oil Wrap it in clean, absorbent
cloth and squeeze to remove excess oil
TO SERVICE CARTRIDGE
« Gently tap the flat side of the paper cartridge to dis­
lodge dirt. Do not wash the paper cartridge or use
pressurized air, as this will damage the cartridge.
Replace a dirty, bent, or damaged cartridge,
• Reinstall the pre-cleaner (cleaned and oiled) over the
paper cartridge.
• Reassemble air cleaner, wing nut, cover and tighten
knob securely.
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