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9
CS-370
ADJUSTING CHAIN TENSION
4. Mount guide bar on studs and slide toward clutch
to make saw chain installation easier. Install
chain with cutters on top of guide bar facing
foward.
5. Release the chain brake, and install the clutch
cover over the guide bar studs. Ensure chain
tension adjuster pin fits into the guide bar
adjuster hole, brake band is positioned around
clutch drum, and tab at rear of clutch cover fits
underneath tab on engine cover. Tighten clutch
cover nuts finger tight.
6. Turn saw over, and check brake band for correct
position on clutch drum. If brake band is not in
place around drum, remove cover, make sure
brake is released, and reinstall. Tighten clutch
cover nuts finger tight.
IMPORTANT
Always loosen clutch cover nuts before turning
chain tension adjuster, otherwise the clutch
cover and tensioner will be damaged.
Guide bar
adjuster hole
Clutch cover
Adjusting screw
Proper tension Improper tension
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.
Release chain brake
Brake connector
Nuts
Adjuster pin
Clutch
Brake band
1. Remove spark plug lead. (See page 20)
2. Loosen two clutch cover nuts, if necessary.
3. Hold the bar nose up, and turn the adjuster
screw clockwise until chain fits snugly against
underside of the bar.
4. Tighten both nuts with the bar nose held up.
5. Pull the chain around the bar by hand. Loosen
the adjustment if you feel tight spots.
6. When chain is properly tensioned, tighten clutch
cover nuts securely - 20 to 23 N·m (200 to 230
kgf·cm).
7. Keep chain properly tensioned at all times.
Direction to tension
the chain