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Figure 44
Installing the Spark Plug
Figure 45
Cleaning the Blower
Housing
Service Interval: Every 100 hours/Yearly (whichever
comes first)
To ensure proper cooling, ensure that the grass
screen, cooling fins, and other external surfaces of the
engine are kept clean at all times.
Clean the cooling fins and external surfaces as
necessary. Make sure that the cooling shrouds are
installed. Torque the blower housing screws to 7.5
N∙m (5.5 ft-lb).
Important:
Operating the engine with a blocked
grass screen, dirty or plugged cooling fins, and/or
cooling shrouds removed, causes engine damage
due to overheating.
Fuel System
Maintenance
DANGER
In certain conditions, fuel is extremely
flammable and highly explosive. A fire or
g206628
explosion from fuel can burn you and others
and can damage property.
Refer to
Adding Fuel (page 16)
list of fuel related precautions.
Replacing the In-Line Fuel
Filter
Service Interval: Every 100 hours/Yearly (whichever
Every 200 hours/Every 2 years (whichever
comes first)—Replace the in-line fuel filter.
Never install a dirty filter after removing it from the
fuel line.
1.
Park the machine on a level surface, disengage
the blade-control switch (PTO), and engage the
parking brake.
2.
Shut off the engine, remove the key, and wait
g027480
for all moving parts to stop before leaving the
operating position.
39
for a complete
comes first)—Check the in-line fuel
filter.
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