Adjusting Saw Chain Tension - Makita DUC304 Instruction Manual

5.
Tighten the retaining nut to secure the
sprocket cover, then loosen it a bit for tension
adjustment.
(See the chapter on "Adjusting saw chain ten-
sion" for procedure.)
Fig.11
► 1. Retaining nut
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.12
► 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.
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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.13
► 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.
Fig.14
► 1. Guide bar 2. Saw chain 3. Chain adjusting
screw
14 ENGLISH
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