Makita DUC204 Manual De Instrucciones página 21

ASSEMBLY
CAUTION:
Always be sure that the tool is
switched off and the battery cartridge is removed
before carrying out any work on the tool.
CAUTION:
Do not touch the saw chain with
bare hands. Always wear gloves when handling
the saw chain.
Removing or installing saw chain
CAUTION:
The saw chain and the guide bar
are still hot just after the operation. Let them cool
down enough before carrying out any work on the
tool.
CAUTION:
Carry out the procedure of
installing or removing saw chain in a clean place
free from sawdust and the like.
To remove the
perform the
1. Release the chain brake by pulling the front
hand guard.
2. Loosen the
screw, then
nut.
►
Fig.9: 1. Chain
2. Retaining nut
3. Remove the sprocket cover then remove
the saw chain and guide bar from the chain saw body.
To install the
perform the
1. Check the direction of the saw chain. Match
the direction of the saw chain with that of the mark on
the chain saw body.
2. Fit one end of the saw chain on the top of
the guide bar.
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.
►
Fig.10: 1. Sprocket 2. Hole
4. Insert the protrusion on the sprocket cover
to the chain saw body, and then close the cover so that
the bolt and pins on the chain saw body meet their
counterparts on the cover.
►
Fig.11: 1. Protrusion 2. Sprocket cover 3.
Bolt 4. Pin
5. Tighten the
to secure
cover, then
a bit
adjustment. ►
Retaining nut
saw chain,
following steps:
chain adjusting
the retaining
adjusting screw
saw chain,
following steps:
retaining nut
the sprocket
loosen it
for tension
Fig.12: 1.
21 ENGLISH
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, wear of the guide bar
and breakage of
adjusting dial.
CAUTION:
A chain which is too loose can
jump off the bar and it may cause an injury
accident.
The saw chain
loose after many
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
bar tip
adjust the
Turn the
screw clockwise to tighten, turn it
counterclockwise to loosen.
For chain blade 90PX and 91PX:
Tighten the saw
the lower
the saw
in the
rail as
►
Fig.14: 1. Guide bar 2. Saw chain 3.
Chain
For chain blade 25AP:
Tighten the saw
that the gap
center of the lower side of the guide bar and the saw
chain becomes approximately 1 mm to 2 mm.
4. Keep holding the guide bar lightly and
tighten the sprocket cover.
For chain blade 90PX and 91PX:
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 to 2 mm.
5. Tighten the
to secure
cover.
►
Fig.15: 1. Retaining nut
Make sure the
fits snugly
lower side of the bar.
the
may become
hours of use.
the guide
slightly and
chain tension.
chain adjusting
chain until
side of
chain fits
guide bar
illustrated.
adjusting screw
chain so
between the
retaining nut
the sprocket
saw chain
against the