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11 ENGLISH

2. Loosenthechainadjustingscrew,thentheretain-

ing nuts.

►1.Chainadjustingscrew2. Retaining nut

3. Sprocket cover

3. Remove the sprocket cover then remove the saw

chain and guide bar from the chain saw body.

To install the saw chain, perform the following steps:

1. Make sure the direction of the chain. The arrow

mark on the chain shows the direction of the chain.

2. Fit in one end of the saw chain on the top of the

guide bar and the other end around the sprocket.

►1. Sprocket

3. Rest the guide bar in place on the chain saw.

4. Place the sprocket cover on the chain saw so that

theadjustingpinispositionedinasmallholeonthe

guide bar.

►1. Sprocket cover 2. Guide bar 3. Hole 4.Adjusting

5. Tighten the retaining nuts to secure the sprocket

cover,thenloosenitabitfortensionadjustment.

►1. Retaining nut

Adjusting saw chain tension

CAUTION: Carry out the procedure of install-

ing or removing saw chain in a clean place free

from sawdust and the like.

CAUTION: Do not tighten the saw chain too

much. Excessively high tension of saw chain may

cause breakage of saw chain, wear of the guide bar

andbreakageoftheadjustingdial.

CAUTION: A chain which is too loose can

jump off the bar and it may cause an injury

accident.

The saw chain may become loose after many hours

of use. From time to time check the saw chain tension

before use.

1. Release the chain brake by pulling the front hand

guard.

2. Loosen the retaining nuts a bit to loosen the

sprocket cover lightly.

►1. Retaining nut

Makita DUC405 User Manual

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