GASOLINE CHAIN SAW
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4) Spark plug
Clean the electrodes with a wire brush and reset the gap to 0.65mm an
necessary.
Spark plug type NHSP LD L8RTF or CHAMPION RCJ7Y or NGK BPMR7A
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.
(1) Sprocket
(2) Clutch drum
(3) Needle bearing
(4) Washer
(5) Clutch block
1
2
3
4
5
6) Front and Rear dampers
Replace if adhered part is peeled or crack is observed on the rubber part.
7) Decompression valve (if applicable)
After extended period of use decompression valve may not close or
come out due to the Maintenance
Built up carbon inside of the valve mounting hole in cylinder. To remove
the carbon, take the following steps:
a) Remove air cleaner cover, cylinder cover, spark plug and
decompression vavle from the engine
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