Craftsman 917.254640 Owner's Manual page 16

REPAIR AND ADJUSTMENT
.20 ° 0 o
5W-30
UIil
32 c
,!
60 ° 80 ° 100 °
n l i !3Ho-!
30or 70W-
FUEL _\_\
CAP
FIGURE15
FUEL
TANK
6. Check Engine Off Level
NOTE: DO NOT CHECK ENGINE OIL LEVEL WITH
ENGINE RUNNING.
Several minutes after stopping engine, check engine off
level with tractor on level ground. Wipe dipstick (Fig. 15)
clean, screw it down tight for a few seconds, remove
and read oil level. If necessary, add oil until "'FULL'" mark
is reached. (See chart above). NOTE: DO NOT
OVERFILL.
ENGINE 01L AIR CLEANER I -
FILLER CAP COVER
AND DIPSTICK
\,
\
AIR
SCREEN
FOAM
ELEMENT
FIGURE 18
AIR
CLEANER
BODY
5. Change Engine Oil
The best time to change engine oil is at the end of a day's
operation when all dirt and foreign materials are suspend-
ed in the hot off.
Capacity is 1-1/2 quarts. NOTE: DO NOT OVERFILL.
Dipstick assembly must be securely tightened into tube
at all times when engine is operating.
IMPORTANT: TO AVOID DAMAGE TO THE STAR-
TING SYSTEM, USE SAE 5W30 OIL
WHEN THE TEMPERATURE FALLS
BELOW 32 ° .
Recommended SAE Viscosity Grades
Determine temperature range expected before next oil
change, All oil must meet A.P.I. service classification SD,
SE or SF.
16
7. Clean Air Cleaner Element {Fig. 16)
a. Remove two cover knobs and remove air cleaner
cover.
b. Remove foam pre-c/eaner.
- - Wash pre-cleaner in liquid detergent and warm water
to remove dirt.
-- Wrap pre-cleaner in cloth and squeeze dry.
-= Wipe foam with a light coat of engine oil. Do not
saturate, squeeze in rag or towel to remove excess oil.
c, Remove two nuts from top of cartridge.
d. Remove cartridge and clean air cleaner body carefully
to prevent dirt from entering carburetor.
e. Clean cartridge by gently tapping on flat surface. If
very dirty, replace cartridge.
f, Reassemble air cleaner,
NOTE: Nuts holding air cleaner cartridge must be installed with
fiber washers down on cartridge plate to prevent dirt from
entering carburetor, Tighten nuts by hand. Over tightening
could collapse cartridge,
NOTE: NEVER RUN ENGINE WlTH AIR CLEANER REMOVED,
8. Clean Air Screen and Engine Cooling Fins.
i i,i, i i,, J_'
ALWAYS WEAR EYE AND FACE
PROTECTION WHEN USING COMJ
PRESSED AIR. J
i, i,ii ii, ,11,1,11 ii, I
Air screen and cooling fins (Figs. 16 and 17) must be
kept free of dirt and chaff to prevent engine damage from
overheating. Clean with a wire brush or compressed air
to remove dirt and dried gum fibers.
a. Remove hood (page 20).
b . Remove aircieanercover (Fig. t6),
c, Remove 3 screws securing air cleaner body (Figs. 16
and 1 7) and remove, (Cover carburetor to prevent en-
try of dirt.)
d. Remove off dipstick and cover opening to prevent en-
try of dirt.
e. Remove 3 screws from blower housing and lift hous-
ing off engine (Fig. 1 7).
f , Use compressed air or stiff bristle brush to thoroughly
clean engine cooling fins (Fig, 1 7) and air screen (Fig.
16),
g. To reassemble, reverse above procedure.
h, Be certain carburetor tube, breather tube, and gaskets
are in place (Fig. 1 7),