Makita DUC204 Manual De Instrucciones página 24

•
Chain blade
55°
•
Chain blade
55°
•
Chain blade
55°
File and file guiding
—
Use a special
(optional accessory) for
chains to sharpen the chain. Normal round files
are not
—
Diameter of
file for
chain is
•
Chain blade
4.5 mm
•
Chain blade
4.0 mm
•
Chain blade
4.0 mm
—
The file should
the cutter
forward stroke.
file off
on the
—
Sharpen the
first. Then
of this shortest cutter becomes the standard
for all other cutters on the saw chain.
—
Guide
as
the
►
Fig.29: 1. File 2. Saw chain
—
The file can
more easily
file holder
accessory) is
file holder
correct sharpening angle of 30°
the markings parallel
the saw
the depth of penetration (to 4/5 of the file
diameter).
►
Fig.30: 1. File holder
—
After sharpening the chain, check the height of the
depth gauge using the chain gauge tool (optional
accessory).
►
Fig.31
—
Remove any
however small,
special flat
accessory).
—
Round off the front of the depth gauge again.
Cleaning the guide bar
Chips and sawdust will build up in the guide bar groove.
They may clog
groove and impair
90PX :
91PX :
25AP :
round file
saw
suitable.
the round
each saw
as follows:
90PX :
91PX :
25AP :
only engage
on the
Lift the
the cutter
return stroke.
shortest cutter
the length
the file
shown in
figure.
be guided
if a
(optional
employed. The
has markings for the
(align
to
chain) and limits
projecting material,
with a
file (optional
the bar
the oil
24 ENGLISH
flow. Clean out the chips and sawdust every time
when you sharpen or replace the saw chain. ►
Fig.32
Cleaning the sprocket cover
Chips and saw dust will accumulate inside of the
sprocket cover. Remove the sprocket cover and saw
chain from the tool then clean the chips and saw dust.
►
Fig.33
Cleaning the oil discharge hole
Small dust or particles may be built up in the oil
discharge hole during
dust or particles
the oil to
cause an insufficient lubrication on the
whole saw chain. When a poor chain oil delivery occurs
at the top of guide bar, clean the oil discharge hole as
follows.
1. Remove the sprocket cover and saw chain from
the tool.
2. Remove the small dust or particles using a slotted
screwdriver with a slender shaft or the like. ►
Fig.34: 1. Slotted screwdriver 2. Oil
discharge hole
3. Insert the battery cartridge into the tool. Pull the
switch trigger
built-up dust
off the
hole by discharging chain oil.
4. Remove the battery cartridge from the tool.
Reinstall the sprocket cover and saw chain on the tool.
Replacing the sprocket
CAUTION:
A worn sprocket will damage a new
saw chain. Have the sprocket replaced in this case.
Before fitting a
chain, check
of the sprocket.
►
Fig.35: 1. Sprocket 2. Areas to be worn
out
Always fit a
ring when
sprocket.
►
Fig.36: 1. Locking ring 2. Sprocket
NOTICE:
Make sure that the sprocket is installed
as shown in the figure.
Storing the tool
1. Clean the tool before storing. Remove any chips
and sawdust from the tool after removing the
sprocket cover.
operation. These
may impair
flow and
to flow
or particles
oil discharge
new saw
the condition
new locking
replacing the