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G3700
G
B
GB-13
Place the file on the cutter and push straight forward.
Keep the file position as illustrated.
After each cutter has been filed, check the depth gauge
and file it to the proper level as illustrated.
2. Fuel filter
(a) Using a wire hook, take out the filter from the filler port.
(b) Disassemble the filter and wash with gasoline, or replace
with 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.
4. Spark plug
Clean the electrodes with a wire brush and reset the gap to
0.65 mm as necessary.
5. Sprocket
Check for cracks and for excessive wear interfering with the
chain drive. If the wear is considerable, replace it with new
one. Never fit a new chain on a worn sprocket, or a worn chain
on a new sprocket.
Fuel filter
8. Maintenance of Saw Chain and Guide Bar
Appropriate gauge checker
Make the shoulder round
Depth gauge standard
■ Saw Chain
WARNING
It is very important for smooth and safe operation to
always keep the cutters sharp.
The cutters need to be sharpened when:
• Sawdust becomes powder-like.
•You need extra force to saw in.
• The cut path does not go straight.
•Vibration increases.
• Fuel consumption increases.
Cutter setting standards:
WARNING
Be sure to wear safety gloves.
Before filing:
• Make sure the saw chain is held securely.
•Make sure the engine is stopped.
• Use a round file of proper size for the chain.
Chain type: 95VP
File size: 3/16 in (4.76 mm)
Chain type: 25AP
File size: 5/32 in (4.0 mm)
.025
″″
″″
″ (0.65 mm)
0.6 ~ 0.7 mm
Champion
RCJ-7Y
Oil filter