Echo CS-620P Instruction Manual - page 13

11

CS-620P

ADJUSTING CHAIN TENSION

IMPORTANT

Always loosen clutch cover nuts before turning 

the chain tension adjuster, otherwise the clutch 

cover and tensioner will be damaged.

1. Remove spark plug lead. (See page 26)

2. Unlock the chain brake and 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 (175 to 200  

in. lb.).

7. Keep chain properly tensioned at all times.

Adjusting screw

Proper tension

Improper tension

Unlock chain brake

Direction to tension the chain