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1
Figure 41
Installing the Spark Plug
Tighten the spark plug(s) to 15 ft-lb (20 N-m).
15 ft-lb
20 N-m
Figure 42
Cleaning the Blower Housing
Service Interval: Every 100 hours/Yearly (whichever
comes first) (More often under dirty
conditions.)
To ensure proper cooling, make sure the grass screen,
cooling fins, and other external surfaces of the engine
are kept clean at all times.
1. Remove the blower housing and any other cooling
shrouds.
2. Clean the cooling fins and external surfaces as
necessary.
3. Make sure the cooling shrouds are reinstalled
Important: 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.
2
G008794
G010476
Fuel System
Maintenance
Replacing the Fuel Filter
Service Interval: Every 500 hours/Yearly (whichever
comes first) (more often under dusty,
dirty conditions).
1. Disengage the blade control switch (PTO), move the
motion control levers to the neutral lock position,
and set the parking brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Allow the machine to cool down.
4. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
5. Squeeze the ends of the hose clamps together and
slide them away from the filter (Figure 43).
34
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