Saw chain adjustment, To adjust saw chain tension – Echo 99944200532 User Manual

Page 13

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99944200532

ASSEMBLY

X7702092204

13

© 10/2013 ECHO Inc.

1. Remove front handle assembly, barrier bar (if installed), and

mounting hardware from PAS or SRM-SB power head.

2. Retain parts for future use.

Saw Chain Adjustment

Always disconnect spark plug wire before servicing cutting attachment. Wear gloves when handling
saw chain, otherwise serious personal injury may result.

To Adjust Saw Chain Tension

1. Move stop switch to STOP position.

2. Disconnect spark plug lead .

3. Loosen two guide bar nuts (A) until finger tight.

Always loosen guide bar nuts before turning the chain tension
adjuster, otherwise the clutch cover and tensioner will be
damaged.

4. Hold the bar nose up, and turn the adjuster screw (B)

clockwise until the chain fits snugly against the underside of
the bar, as shown. Cold Chain Only - turn adjuster screw
CW an additional 1/8 - 1/4 turn

5. Tighten both guide bar nuts with nose held up. Tighten rear

nut first.

6. Pull the chain around the guide bar by hand. Reduce the

chain tension if you feel tight spots.

7. When chain is properly tensioned, tighten guide bar nuts

securely.

Tighten guide bar nuts to 8 - 9 N•m (71 - 80 in. lbs.) DO NOT
over-tighten nuts. Damage may result

8. Keep chain properly tensioned at all times.

Note: All chains require frequent adjustment.

9. Connect spark plug lead.

B

D

A

C

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