15
Idle adjustment screw
Cylinder fins
SILENCER AND CYLINDER FINS
• Clean silencer by removing carbon deposits
at outlet port. This should be done periodically
to maintain constant performance of engine.
• Always keep cylinder fins clean.
Clogged cylinder fins will cause engine to
overheat. Clean out grass, mud, leaves, and
other debris with a wooden stick periodically.
CLEANING CHEMICAL TANK
• Chemical tank should be cleaned after each
use.
• Fill chemical tank with clear water and run
engine.
• Open valve to pour water out to clean internal
parts of spraying device.
0.6 mm - 0.7 mm
CHECK SPARK PLUG
• Check plug gap. Corrct gap is 0.6 to 0.7 mm.
• Inspect electrode for wear.
• Inspect insulator for oil or other deposits.
• Replace plug if needed and tighten to
14.2 -
15.2 N•m (145 to 155 kgf•cm).
CAUTION
Do not overtighten spark plug.
CARBURETTOR
• Do not adjust the carburettor unless
necessary.
• If idling adjustment is required, turn
adjustment screw located a backpack side of
carburettor.
- When turning it anticlockwise, engine
speed is reduced.
• When the machine is not to be used for a long
time, drain fuel out from fuel tank and
carburettor.
- To drain out fuel in the carburettor.
Silencer
Carburettor
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