Echo PPF-280 - Manual (Page 14)

14
saw ChaIn TensIon adjusTmenT
warning
Always disconnect spark plug wire before servicing cutting attach-
ment. 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 guide bar nuts (A) until finger tight.
IMPORTANT
Always loosen guide bar nuts before turning the chain tension ad-
juster, otherwise the clutch cover and tensioner will be damaged.
4. Hold the bar nose up, and turn the adjuster screw (B) clockwise un-
til 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 ten-
sion if you feel tight spots.
7. When chain is properly tensioned, tighten guide bar nuts securely.
IMPORTANT
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.
a
B