Echo PPF-280 Manuale Utente Scaricare il pdf (Pagina 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 nger 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 ts 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

rst.

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.

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Echo PPF-280 Manuale Utente Pagina 14