MAINTENANCE
1186 MM267 (6–94)
3Ć8
ENGINE
ENGINE LUBRICATION
Check the engine oil level daily. Change the
engine oil after every 25 hours of operation. Use a
straight SAE 30-weight, API class SF engine oil. If
multiviscosity oil is used, oil consumption and
combustion deposits will increase.
Using other than service class SF oil or extending
oil change intervals could cause engine damage
not covered by the engine warranty.
The engine oil capacity is 1 qt (0.95 L).
COOLING SYSTEM
Maintaining cooling system efficiency is important.
Engine temperatures must be brought up to and
maintained within the satisfactory range for
efficient operation. However, the engine must be
kept from overheating in order to prevent damage
to the valves, pistons, and bearings.
Clean the engine cooling fins after every 25 hours
of operation.
FOR SAFETY: When Servicing Machine, Wear
Eye And Ear Protection When Using
Pressurized Air Or Water.
AIR INTAKE SYSTEM
The importance of maintaining an air filter in
proper condition cannot be overemphasized. Dirt
induced through improperly installed, improperly
serviced, or inadequate air filter elements wears
out more engines than long hours of operation.
Even a small amount of dirt will wear out a set of
piston rings in just a few hours. Operating with a
clogged air filter element also causes the fuel
mixture to be richer, which can lead to formation
of harmful sludge deposits in the engine. Always
cover the air intake when the air cleaner is
removed for servicing. Do not neglect servicing
the air cleaner. Use only correct parts for
replacement. Keep all other air intake
components such as hoses, clamps, etc., secure
and in good condition to prevent entrance of
unfiltered air.
AIR FILTER
The engine air filter is made up of two parts, a
foam pre-cleaner and a dry cartridge type filter.
The foam pre-cleaner must be cleaned and
re-oiled after every 25 hours of operation. The dry
cartridge type filter should be cleaned or replaced
after every 100 hours of operation. The filter
element must be replaced if it is damaged or has
been cleaned three times.
TO CLEAN OR REPLACE AIR FILTER
ELEMENT
1. Stop the engine and set the machine
parking brake.
FOR SAFETY: Before Leaving Or Servicing
Machine; Stop On Level Surface, Set Parking
Brake, And Turn Off Machine.
2. Open the filter cover to gain access to the
engine.
3. Remove the air filter cover wing nut.
4. Remove the air filter cover.
A
B
C
D
03074
ENGINE AIR FILTER
A. Foam pre-cleaner
B. Dry Cartridge Air Filter
C. Wing Nut
D. Air Filter Cover
5. Remove the foam pre-cleaner.
6. Wash the foam pre-cleaner in liquid
detergent and water.
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