Craftsman 917.28671 Manual Del Operador página 18

TRANSAXLE COOLING
The transmission fan and cooling fins should
be kept clean to assure proper cooling.
Do not attempt to clean fan or transmission
while engine is running or while the trans-
mission is hot. To prevent possible damage
to seals, do not use high pressure water or
steam to clean transaxle.
• inspect cooling fan to be sure fan blades
are intact and clean,
o Inspect cooling fins fordirt, grass clippings
and other materials. To prevent damage to
seals, do not use compressed air or high
pressure sprayer to clean cooling fins_
TRANSAXLE PUMP FLUID
The transaxle was sealed at the factory and
fluid maintenance is not required for the life of
the transaxle. Should the transaxte ever leak
or require servicing, contact your nearest
Sears or other qualified service center.
V-BELTS
Check V-betts for deterioration and wear after
100 hours of operation and replace if neces-
sary. The belts are not adjustable° Replace
belts if they begin to slip from wear.
ENGINE
LUBRICATION
Only use high quality detergent oil rated with
API service classification SG-SL. Select the
oil's SAE viscosity grade according to your
expected operating temperature.
NOTE: Although multi-viscosity oils (5W30,
10W30 etc.) improve starting in cold weather,
they wilt result in increased oil consumption
when used above 32°F/0°C. Check your
engine oil level more frequently to avoid pos-
sible engine damage from running low on oil.
Change the oil after every 50 hou rs 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. 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.
o Oil will drain more freely when warm.
° Catch oi! in a suitable container.
1. Remove oil fill cap/dipstick. Be careful
not to allow dirt to enter the engine when
changing oil.
2o Removeyeltow cap from end of drainvalve
and install the drain tube onto the fitting.
3. Unlock drain valve by pushing inward
slightly and turning counterclockwise.
Oil Drain Valve
Closed and
Drain
Tube
4. To open, pul! out on the drain valve.
5o 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.
7o Refill engine with oil through oil fill dipstick
tube. Pour slowly. Do not overfill. For
approximate capacity see "PRODUCT
SPECIFtCAT1ONS"section ofthis manual.
8o 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,
ENGINE OIL FILTER
Replace the engine oil filter every season or
every other oil change if the tractor is used
more than 100 hours in one year.
AIR FILTER
Your engine will not run properly using a dirty
air filter. Service air cleaner more often under
dusty conditions. See Engine Manual.
CLEAN AIR INTAKE/COOLING AREAS
To ensure proper cooling, make sure the grass
screen, cooling fins, and other external sur-
faces ofthe engine are kept clean at all times.
Every 100 hours of operation (more often
under extremely dusty, dirty conditions),
remove the blower housing and other cooling
shrouds. Clean the cooling fins and external
surfaces as necessary. Make sure the cool-
ing shrouds are reinstalled°
NOTE: Operating the engine with a blocked
grass screen, dirty or plugged cooling fins,
and/or cooling shrouds removed will cause
engine damage due to overheating°
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