Maintenance
23
CHANGING THE ENGINE OIL AND
FILTER (Fig. 26–28)
Change the oil and filter initially after the first 8 hours of
operation; thereafter change the oil every 50 hours and
filter every 100 hours.
Note: Change the oil and filter every 25 hours when
operating under heavy load or high ambient
temperatures.
1. Remove the drain plug and oil fill cap and let oil
flow into drain pan. When the oil stops, install the
drain plug.
Figure 27
1. Drain plug
2. Remove the oil filter. Apply a light coat of clean oil
to the new filter gasket.
Figure 28
1. Oil filter
3. Screw the filter on by hand until the gasket contacts
the filter adapter, then tighten
1
⁄2 to
3
⁄4 turn further.
DO NOT OVER-TIGHTEN.
4. Add oil to the crankcase; refer to CHECK THE
ENGINE OIL.
5. Start the engine and check for leaks around the
filter.
6. Dispose of the oil properly.
SERVICING THE AIR CLEANER
(Fig. 29–30)
Service the foam pre-cleaner after every 50 operating
hours and the air cleaner cartridge after every 100
operating hours. Clean more often cleaning when
operating in dusty or dirty conditions.
1. Release the locking clips and remove the air cleaner
cover. Clean the cover thoroughly.
Figure 29
1. Air cleaner cover
Before servicing or making adjustments to the
machine, stop the engine and remove the key from the
switch.
CAUTION
1
1
1
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