Zenoah G3800AVS Manual page 46

F31
F32
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46
English
10. Maintenance
■ PERIODICAL SERVICE POINTS
1. Cylinder fins
Dust clogging between the cylinder fins will cause
overheating of the engine. Periodically check and clean
the cylinder fins after removing the air cleaner and the
cylinder cover. When installing the cylinder cover,
make sure that switch wires and grommets are
positioned correctly in place. (F31)
NOTE
Be sure to block the air intake hole.
2. Fuel filter
(1) Using a wire hook, take out the filter from the filler
port. (F32)
(1) Fuel filter
(2) Disassemble the filter and wash with gasoline, or
replace with a new one if needed.
NOTE
• After removing the filter, use a pinch to hold the end
of the suction pipe.
• When assembling the filter, take care not to allow
filter fibers or dust inside the suction pipe.
3. Oil tank
With a wire hook, take out the oil filter through the filler
port and clean in gasoline. When putting the filter back
into the tank, make sure that it comes to the front right
corner. Also clean off dirt in the tank. (F33)
(1) Oil filter
4. Spark plug
Clean the electrodes with a wire brush and reset the
gap to .025 in. as necessary.
Champion RCJ-7Y
5. Sprocket
Check for cracks and for excessive wear interfering
with the chain drive. If the wearing is found obviously,
replace it with a new one. Never fit a new chain on a
worn sprocket, or a worn chain on a new sprocket.