Sears Craftsman 917.288460 Manual Del Usuario página 22

ENGINE
LUBRICATION
Only use high quality detergent oil rated with
API service classification SG-SL. Selectthe
oil's SAE viscosity grade according to your
expected operating temperature.
SAE VISCOSITY GRADES
F
TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE
o_1_lscch_rNe
Change the oil after every 50 hours of opera-
tion 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.
TO CHANGE ENGINE OIL
Determine temperature range expected
before oil change. All oil must meet API
service classification SG-SL.
• Be sure tractor is on level surface.
• Oil will drain more freely when warm.
• Catch oil in a suitable container.
1. Remove oil fill cap/dipstick. Be careful
not to allow dirt to enter the engine when
changing oil.
2. Remove yellow cap from end of drain
valve and install the drain tube onto the
fitting.
Oil Drain Valve
Closed and
Locked
,
Use gauge on oil fill cap/dipstick for
checking level. For accurate reading,
insert dipstick into the tube and push
down firmly into place before removing.
Keep oil up to, but not over, the "FULE'
line on dipstick. Push dipstick down firmly
into the tube when finished.
AIR FILTER
Your engine will not run properly using a
dirty air filter. Service paper cartridge every
two months or every 25 hours of operation,
whichever occurs first. Service paper car-
tridge more often under dusty conditions.
Replace the paper cartridge annually, or
after every 100 hours of operation.
TO SERVICE CARTRIDGE
Replace a dirty, bent, or damaged car-
tridge. Handle new cartridge carefully; do
not use if the rubber seal is damaged.
NOTE: Do not wash the paper cartridge
or use pressurized air, as this will damage
the cartridge.
1. Open door (A) on the blower housing to
access the air cleaner element (B).
2. Unhook the latch (C) and remove the
element.
Yellow
CaF
\ Drain
Tube
3. Gentlytapthe paperelementtodislodge
dirt.
3. Unlock drain valve by pushing inward
slightly and turning counterclockwise.
4. To open, pull out on the drain valve.
5. After oil has drained completely, close and
lock the drain valve by pushing inward
and turning clockwise until the pin is in
the locked position as shown.
6. Remove the drain tube and replace the
cap onto the end of the drain valve.
7. Refill engine with oil through oil fill dipstick
tube. Pour slowly. Do not overfill. For
approximate capacity see "PRODUCT
SPECI FICATIONS"section of this manual.
22
4. Clean all air cleaner components of any
accumulated dirt or foreign material.
Prevent any dirt from entering the throat
of carburetor.
5. Install cleaned or new element on the
base and secure with latch.
6. Close and latch the door.