Craftsman 917.275380 - Manual (Page 21)

Change the oil after every 25 hours of op­
eration or at least once a year if the tractor
is not used for 25 hours in one year.
Check the crankcase oil level before start­
ing 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
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
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 to the end of the drain valve.
7. Refill engine with oil through oil fill dip­
stick tube. Pour slowly. Do not overfill.
For approximate capacity see “PROD­
UCT SPECIFICATIONS” section of this
manual.
8. Use gauge on oil fill cap/dipstick for
checking level. For accurate reading,
tighten dipstick cap securely onto the
tube before removing dipstick. Keep oil
at “FULL’ line on dipstick. Tighten cap
onto the tube securely when finished.
2
.
3.
AIR FILTER
Your engine will not run properly using a
dirty air filter. Replace pre-cleaner after
every 25 hours of operation 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.
1. Pull up on air filter cover handle and
rotate towards engine.
Remove cover.
Carefully remove air filter cartridge and
pre-cleaner from base.
4. Clean base carefully to prevent debris
from falling into carburetor.
NOTE: If very dirty or damaged, replace
cartridge.
5. Place new pre-cleaner and cartridge
firmly in base.
Align tabs on cover with slots in blower
housing and replace cover.
Hook handle on cover and push down
on handle to close.
IMPORTANT: Petroleum solvents, such
as kerosene, are not to be used to clean
the cartridge. They may cause deterio­
ration of the cartridge. Do not oil car­
tridge. Do not use pressurized air to clean
cartridge.
6 .
7.
CLEAN AIR SCREEN
Air screen 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 stub­
born dried gum fibers.
21