9. Chang e the oil filter , if necessar y ( Figure 27 ).
10. Clean around the oil dipstic k and unscrew the cap
( Figure 24 ).
11. Slo wly pour appro ximately 80% of the specified oil
into the filler tube ( Figure 24 ).
12. Chec k the oil lev el; refer to Chec king the Oil Lev el
in Engine Maintenance , pag e 22 .
13. Slo wly add additional oil to bring it to the full mark.
Changing the Oil Filter (For Model
74403 only)
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 often in dusty , dir ty
conditions .
1. Drain the oil from the engine; refer to Changing
and Draining the Oil in Engine Maintenance ,
pag e 22 .
2. R emo v e the old filter and wipe the filter adapter
g ask et surface ( Figure 27 ).
3. Apply a thin coat of clean oil to the r ubber g ask et
on the re placement filter ( Figure 27 ).
Figure 27
1. Oil lter 3. Adapter
2. Gasket
4. Install the re placement oil filter to the filter adapter .
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 1/2 to 3/4 tur n ( Figure 27 ).
5. Fill the crankcase with the proper type of new
oil; refer to Changing and Draining the Oil in
Engine Maintenance , pag e 22 .
Fuel System
Maintenance
Draining the Fuel Tank
In cer tain conditions, gasoline is extr emel y
flamma ble and highl y explosi v e. A fir e or
explosion fr om gasoline can bur n y ou and other s
and can dama ge pr oper ty .
• Drain gasoline fr om the fuel tank when the
engine is cold. Do this outdoor s in an open
ar ea. W ipe up an y gasoline that spills.
• Nev er smok e when draining gasoline, and
stay a w ay fr om an open flame or wher e a
spar k may ignite the gasoline fumes.
1. P ark the mac hine on a lev el surface and diseng ag e
the blade control (PTO).
2. Mo v e the motion control lev ers to the brak e
position, 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.
3. Close the fuel shut-off v alv e located under the
front of the fuel tank.
4. Loosen the hose clamp at the fuel filter and slide it
up the fuel line a w a y from the fuel filter ( Figure 28 ).
Figure 28
1. Hose clamp 3. Filter
2. Fuel line
5. Pull the fuel line off of the fuel filter ( Figure 28 ).
6. Open the fuel shut-off v alv e . Allo w g asoline to
drain into a g as can or drain pan.
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