Adjusting Saw Chain Tension - Makita GCU04 Manual De Instrucciones

Removing the saw chain
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 retain-
ing nuts.
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2
Fig.14
► 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.

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 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 nuts a bit to loosen the
sprocket cover lightly.
Fig.15
► 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.
Tighten the saw chain until the lower side of the saw
chain fits in the guide bar rail as illustrated.
3
Fig.16
► 1. Guide bar 2. Saw chain 3. Chain adjusting screw
4. Keep holding the guide bar lightly and tighten the
retaining nuts to secure the sprocket cover.
Fig.17
► 1. Retaining nut
Make sure that the saw chain does not loose at the
lower side and the saw chain fits snugly against the
lower side of the bar.
12 ENGLISH
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