Echo X750020201 Adjusting Chain Tension, Proper tension Improper tension, CS-352

Models: X750020201

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Proper tension Improper tension

Clutch

Guide bar studs

Adjuster pin

 

 

Guide bar

 

adjuster

 

hole

 

Nuts

 

Clutch cover

4.Unlock the chain brake, and 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 forward.

5.Install the clutch cover over the guide bar studs. En- sure chain tension adjuster pin fits into the guide bar adjuster hole. Tighten clutch cover nuts finger tight.

Unlock chain brake

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Adjusting screw

Proper tension Improper tension

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 (175 to 200 in. lb.).

7.Keep chain properly tensioned at all times.

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CS-352

Page 13
Image 13
Echo X750020201 instruction manual Adjusting Chain Tension, Proper tension Improper tension, CS-352