Echo CS-590 Operator's Manual - page 11

11

CS-590

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 25)

2. Unlock 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 (200 to 230

kgf·cm).

7. Keep chain properly tensioned at all times.

Adjusting screw

Proper tension

Improper tension

Direction to tension the chain

Unlock chain brake