23
QV-680
MAINTENANCE
Guide bar
(After Each Use)
• Clean the groove of the guide bar with a small
screwdriver. Clean oil holes with a wire.
• Check sprocket and the clutch and clean the bar
mount area before installation of the bar.
Replace either or both if worn.
Sprocket
(After Each Use)
• A damaged sprocket will cause premature
damage or wear of saw chain.
- When the sprocket has worn out 0.5 mm (0.020
in.) or more, replace it.
• Check sprocket when you install new chain.
Replace it if worn.
Worn : 0.5 mm (0.020 in.)
Rope
Drum
Rewind starter
(As Needed)
1. Remove screws and remove starter assembly
from housing.
2. Pull starter rope out 30 to 45 cm (1 to 1
½
feet)
and prevent drum from rewinding.
3. Grasp the rope between notch and cover and
wind both rope and drum one turn clockwise.
4. Hold drum in place and pull rope straight out
through hole in cover.
5. Allow starter to rewind.
6. Repeat above process if more tension is needed.
7. Place starter assembly on powerhead and slowly
pull the handle until the ratchets engage properly
and the fan cover fits flush against the
powerhead.
8. Secure starter assembly with screws.
NOTE
Do not add more tension than required to draw
the handle against the cover, or starter trouble
may develop.
Groove
Oil hole
Summary of Contents for QV-680
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