Craftsman 917251471 tractor

User Manual - Page 18

For 917251471.

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CUSTOM LINES
V_BELTS
Check V-belts for 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.
TRANSAXLE COOUNG
KeeD transaxle free from build-urJ of dirt and chaff which
can restrict cooling.
ENGINE
LUBRICAT_ON
Only use h_ghquality detergent oi! rated with API service
c_assification SF or SG, Select the oirs SAE viscosity graae
according to your expected oeeratlng temperature,
SAE VISCOSITY GRADES
"F -20 -- 30' 32 40 60' 80 100
_C -30_ _ _-2_ _ __:10 O' .___ _u ..... 20 ° __ 30' 40_
fFMPERATURE RANGE ANTICIPATED BEFORE NEXT O _ CHANGE
FIG, 11
NOTE: Although multi-viscosity oils (5W30. 10W30 etc,_
improve starting in cold weather, these muLtFviscosity oils
will result in increased oil consumotion when used above
32°F. Check your engine oil level more frequently toavoid
possible engine damage from running low on oil,
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 oi 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 Figs. 11 and 12)
Determine temperature range exeectea before oil change.
All Oll squst meet APt service classification SF or SG
Be sure tractor is on level surface,
Oil will drain more fi-eely when warm,
Catch c in a suitable container.
Remove oil filI cap/alpstick. Be careful not to allow dirt
to enter the engine when changing oil
Remove drain plug.
After oil has drained completely, replace oi drain p_ug
and tighten securely,
Refill engine with el! through oil fi!l dipstick tube. Pour
slowty. Do not overtilL For approximate capacity see
"PRODUCT SPECIFICATIONS" on page 3 of (hB
manual
Use gauge on oil fill cap/diostlck for checking level Be
:_ure diestick cae ts tightened securely for accurate
readm:j. Keee oil _;.t FULL hne on aJsstick
%'N /
OIL FILL ._" _:_"
OAPA)IPSTSICK/"
AIR SCREEN
FEG.12
CLEAN AIR SCREEN (See Fig. 12)
Air screen must be kept free of dirt and chaff to prevent
engine aamage from overheating. Clean with a wire brush
or compressed air to remove dirt and stubborn dried gum
fibers.
AiR FILTER (See Fig, 13)
Your engine wil! not run properly using a dirty air filter.
Clean the foam pro-cleaner after every 25 hours of opera-
tion or every season. Service par)or cartridge every 100
hours of operation or every season, whichever occurs first.
Service air cleaner more often under ousty conditions.
Remove knobts; and cover.
TQ SERVICE PRE-CLEANER
Slide foam pre-cleaner off cartrioge.
Wash it in lieuid detergent and water.
Squeeze it dry m a clean cloth,
Saturate it in engine oil. Wrap it in clean, absorbent
cloth and squeeze to remove excess oil.
If very drrty or damaged, replace pre-cleaner.
Reinstall ore-cleaner over cartriqge.
Reinstall cover and secure with knob(s).
TO SERVICE CARTRIDGE
Remove wing nuts and cartridge plate.
Carefully remove cartridge to prevent oebris from
entering carburetor.
Clean cartridge bytapping gently on flat surface. Ifvery
dirty or damaged, replace cartridge.
Reinstall cartridge plate, wing nuts. precleaner, cover
and secure with knob(s).
18
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