4. Inser t oil dipstic k fully onto the fill hole , but
do not screw it in.
5. Pull the dipstic k out, and look at the end. If
the oil lev el is near or belo w the lo w er limit
mark, slo wly pour only enough oil into the fill
hole to raise the lev el to the upper limit mark
on the dipstic k. Do not o v erfill. ( Figure 26 ).
Important: Do not o v erfill the crankcase
with oil because the engine may be
dama ged.
Changing and Draining the Oil
1. Star t the engine and let it r un until w ar m. T his
w ar ms the oil so it drains better .
2. P ark the mac hine so that the drain side is
slightly lo w er than the opposite side to assure
the oil drains completely .
3. Diseng ag e the blade control switc h and set the
parking brak e .
4. Stop the engine , remo v e the k ey , and w ait for
all mo ving par ts to stop before lea ving the
operating position.
5. Slide the drain hose o v er the drain v alv e
( Figure 27 ). Place a pan belo w the drain hose .
Figure 27
1. Oil drain valve 2. Oil drain tube
6. R otate oil drain v alv e to allo w oil to drain
( Figure 27 ).
7. W hen oil has drained completely , close the
drain v alv e .
8. R emo v e the drain hose ( Figure 27 ).
Note: Dispose of the used oil at a recycling
center .
9. Chang e the oil filter , if necessar y ( Figure 28 ).
10. Clean around the oil dipstic k and unscrew the
cap ( Figure 26 ).
11. Slo wly pour appro ximately 80% of the
specified oil into the filler tube ( Figure 26 ).
12. Chec k the oil lev el; refer to Chec king the Oil
Lev el in Engine Maintenance , pag e 21 .
13. Slo wly add additional oil to bring it to the full
mark.
Changing the Oil Filter
R e place the oil filter ev er y 100 hours or ev er y
other oil c hang e .
Note: Chang e the oil filter more frequently when
operating conditions are extremely dusty or sandy .
1. Drain the oil from the engine; refer to Changing
and Draining the Oil in Engine Maintenance ,
pag e 21 .
2. R emo v e the old filter using an oil filter wrenc h.
Wipe the filter mounting base surface clean
( Figure 28 ).
3. Apply a thin coat of clean oil to the r ubber
g ask et on the re placement filter ( Figure 28 ).
Figure 28
1. Oil lter wrench 3. Gasket
2. Oil lter 4. Adapter
4. Install the re placement oil filter to the filter
base b y hand. T ur n the oil filter cloc kwise until
the r ubber g ask et contacts the filter adapter;
then tighten the filter an additional 7/8 tur n
( Figure 28 ). Oil Filter tor que: 15-17 lb (20-24
N ⋅ m)
24
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