Echo CS-370 Manuel D'instructions page 12

Clutch
Brake band
Unlock chain brake
Direction to tension
the chain
Adjusting screw
Proper tension Improper tension
CS-370
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Guide bar studs
4. Mount guide bar on studs and slide toward clutch to make
Guide bar
5. Unlock the chain brake, and install the clutch cover over the
adjuster hole
Nuts
Adjuster pin
6. Turn saw over, and check brake band for correct position
Clutch cover
Brake connector
ADJUSTING CHAIN TENSION
1. Remove spark plug lead. (See page 25)
2. Loosen two clutch cover nuts, if necessary.
3. Hold the bar nose up, and turn the adjuster screw clockwise
4. Tighten both nuts with the bar nose held up.
5. Pull the chain around the bar by hand. Loosen the adjust-
6. When chain is properly tensioned, tighten clutch cover nuts
7. Keep chain properly tensioned at all times.
saw chain installation easier. Install chain with cutters on top
of guide bar facing forward.
guide bar studs. Ensure chain tension adjuster pin fits into
the guide bar adjuster hole, brake band is positioned around
clutch drum. Tighten clutch cover nuts finger tight.
on clutch drum. If brake band is not in place around drum,
remove cover, make sure brake is unlocked, and reinstall.
Tighten clutch cover nuts finger tight.
WARNING
Improper clutch cover assembly can result in serious
injury, and will cause severe saw damage if unit is
started. Never start or operate saw if brake band is not
in place on clutch drum. Always check chain brake
operation after replacing cover. Do not use saw if chain
brake does not function properly.
IMPORTANT
Always loosen clutch cover nuts before turning the chain
tension adjuster, otherwise the clutch cover and tensioner will
be damaged.
until chain fits snugly against underside of the bar.
ment if you feel tight spots.
securely - 20 to 23 N·m (200 to 230 kgf·cm).
NOTE
All chains require frequent adjustments.
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