Makita DUC256PG2, Instruction Manual

14 ENGLISH

3.

Fit the other end of the saw chain around the 

sprocket, then attach the guide bar to the chain saw 

body, aligning the hole on the guide bar with the pin on 

the chain saw body.

1

2

►    

1.

 Sprocket 

2.

 Hole

4.

Insert the protrusion and the pin on the sprocket 

cover to the chain saw body, and then close the cover 

so that the bolt and pin on the chain saw body meet 

their counterparts on the cover.

2

3

4

1

4

►    

1.

 Protrusion 

2.

 Sprocket cover 

3.

 Bolt 

4.

 Pin

5.

Tighten the retaining nut to secure the sprocket 

cover, then loosen it a bit for tension adjustment.

1

►    

1.

 Retaining nut

Adjusting saw chain tension

CAUTION:

Do not tighten the saw chain too 

much.

 Excessively high tension of saw chain may 

cause breakage of saw chain and wear of the guide 

bar.

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 nut a bit to loosen the 

sprocket cover lightly.

1

►    

1.

 Retaining nut

3.

  Lift up the guide bar tip slightly and adjust the 

chain tension. Turn the chain adjusting screw clockwise 

to tighten, turn it counterclockwise to loosen.

For chain blade 90PX and 91PX:

Tighten the saw chain until the lower side of the saw 

chain fits in the guide bar rail as illustrated.

1

2

3

►    

1.

 Guide bar 

2.

 Saw chain 

3.

 Chain adjusting screw

For chain blade 25AP:

Tighten the saw chain so that the gap between the cen-

ter of the lower side of the guide bar and the saw chain 

becomes approximately 1 mm to 2 mm.