Operation Manual

CS-310

4. Mount guide bar on studs and slide toward

clutch to make saw chain installation easier. In-

stall chain with cutters on top of guide bar facing

forward.

5. Install the clutch cover over the guide bar studs.

Ensure chain tension adjuster pin ts into the

guide bar adjuster hole. Tighten clutch cover

nuts nger tight.

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. Release the cylinder cover latches, and remove

the cylinder cover. Remove spark plug lead.

2. Loosen two clutch cover nuts, if necessary.

3. Hold the bar nose up, and turn the adjuster

screw clockwise until chain ts 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

Direction to tension the chain

Guide bar

adjuster

hole

Clutch cover

Nuts

Adjuster pin

Clutch

Guide bar studs

NOTE

All chains require frequent adjustments.