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SPROCKET
• A damaged sprocket (C) will cause premature damage
or wear of saw chain.
• Clean sprocket, clutch and bar mount area before instal-
lation of bar.
• Check sprocket when you install new chain. When outer
diameter of sprocket is worn 0.5mm (.020”) or more,
replace it.
IMPORTANT
Some tree sap and resins are corrosive. Thoroughly wash
the guide bar and sprocket areas after each use, then coat
metal parts with light oil.
• Check periodically
• Gap = 0.65mm (.026 in.)
• Replace if either electrode is worn, or if the insulator is
fouled by oil or other deposits.
• Torque = 150 – 170 kgf • cm (130 – 150 in • lbf)
IMPORTANT
Do not over-torque
spaRk plug
G
H
J
guiDe baR anD oil holes
• Clean after each use
- Clean the grooves (G) of the guide bar with a small
screwdriver.
- Clean oil holes (H) with a wire.
• Reverse guide bar periodically.
Worn : 0.5 mm
C
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