Makita 903DW Cordless Saw User Manual


 
Chain blade sharpening attachment
1.
Read the instruction manual
of
yo:' chain saw to determine the
size
of
wheel point,
the top plate filing angle
(30"
or
35
)
and the depth gauge clearance
[0.025"
(0.64
mm),
0.030" (0.76
mm),
0.035" (0.89
mm)
or
0.040' (1.02
mm)]
before use.
17
Too
date
filinq
anqle
I
Depth
gauge
clearance
2.
Three
sizes
of wheel points are available:
5/32" (4.0
mm),
3/16" (4.8
mm)
and
7/32"
(5.5 mm).
Select
a
proper wheel point for chain cutters to be sharpened.
3.
Attach the guide to the tool
as
shown
in the figure after installing the wheel
point. Semi-tighten the wing bolt to the
extent that the guide can be turned.
4.
Place the guide on the gauge
as
shown in
the figure and turn the guide until the
wheel point fits into the appropriate
wheel
size
slot in the gauge. (The wheel
point will raise up out of the bottom
of
the slot
by
turning the guide counter-
clockwise). After adjusting the wheel
point
to
fit into the slot, tighten the
wing bolt securely.
Wheel
point
I
Guide
I
9