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Installing the Spark Plug
Figure 50
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
explosion from fuel can burn you and others
and can damage property.
Refer to
Fuel Safety (page 13)
list of fuel related precautions.
Replacing the In-Line Fuel
Filter
Service Interval: Every 100 hours—Replace the
g027480
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, and move the
motion-control levers outward to the P
position.
2.
Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position. Allow the engine to cool.
3.
Replace the filter
Note:
Ensure that the flow-direction arrow on
the replacement filter points toward the engine.
38
for a complete
in-line fuel filter.
(Figure
51).
ARK
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