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Worn : 0.5 mm
J
I
H
GUIDE BAR AND OIL HOLES
• Follow instructions for “Guide Bar and Saw Chain –
Install/Remove
• Clean after each use
- Clean the grooves (H) of the guide bar with a small
screwdriver.
- Clean oil holes (I) with a wire.
• Reverse guide bar periodically.
SPROCKET
• A damaged sprocket (J) will cause premature damage
or wear of saw chain.
- When the sprocket has worn out 0.5mm (.020”) or
more, replace it.
• Check sprocket when you install new chain. Replace it
if worn.
• Clean sprocket, clutch, and bar mount area before
installation of bar.
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.
SPARK PLUG
• 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 kg*cm (130 – 150 in. lb.)
IMPORTANT
Do not over-torque.