Makita DUC256 Manual De Instrucciones página 16

To remove the saw chain, perform the following
steps:
1. Release the chain brake by pulling the front
hand guard.
2. Loosen the chain adjusting screw, then the
retaining nut.
Fig.14
► 1. Chain adjusting screw 2. Retaining nut
3. Remove the sprocket cover then remove
the saw chain and guide bar from the chain saw
body.
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.
Fig.15
► 1. Retaining nut
1 2
1
3.
Lift up the guide bar tip slightly and adjust the
chain tension. Turn the chain adjusting screw clock-
wise to tighten, turn it counterclockwise to loosen.
For chain blade 90PX, 91PX and 80TXL:
Tighten the saw chain until the lower side of the
saw chain fits in the guide bar rail as illustrated.
Fig.16
► 1. Guide bar 2. Saw chain 3. Chain adjusting
screw
For chain blade 25AP:
Tighten the saw chain so that the gap between
the center of the lower side of the guide bar and
the saw chain becomes approximately 1 mm
(1/32") to 2 mm (1/16").
4.
Keep holding the guide bar lightly and
tighten the sprocket cover.
For chain blade 90PX, 91PX and 80TXL:
Make sure that the saw chain does not loose at
the lower side.
For chain blade 25AP:
Make sure that the gap between the center of the
lower side of the guide bar and the saw chain is
approximately 1 mm (1/32") to 2 mm (1/16").
5. Tighten the retaining nut to secure the
sprocket cover.
Fig.17
► 1. Retaining nut
16 ENGLISH
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