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BAR AND CHAIN SERVICING
Tool No. 426235
1.
This
illustration
recommends
the use
of
the die
cut corner,
sheared
at
35°
for
the
maintaining
of correct top
angle
on
all
cutters.
This important
feature
on.
chain filing is outlined
in all chain
instruction
pieces
and
the Operator's
Manual
(Figure 25) .
2.
Front
end of the cutter bar
tool
is marked to
indicate
the minimum safety
depth
of the bar
groove
to avoid the chain
drive lugs
riding on the bottom
of the
groove
causing extensive
chain and bar
damage.
(Figure
26).
3.
By using either
of
the
sharp
corners of this
tool
the bar groove
can be cleaned
regularly.
The
removal of the
accumulated
sawdust, old
oil
and chain
filings
will
overcome the
common fault
of
a
chain
riding up
in
the
groove resulting
in both
chain
weave
and
breakage.
(Figure
27).
4. To carry out minor repairs
such as a pinched
bar,
enter
one
corner of
the
tool
in
the groove
near
the
pinched
section,
then
tap the
tool with
a
light hammer
until
the entire
length of
the
gauge
enters into the
groove.
While in this position
lightly tap along
the
bar
rail which will
straighten
out the
pinch
and give chain
clearance.
A further
use
for the side of
this
tool
is to close
up
the rails
to correct
groove
width, as illustrated,
for proper chain performance.
This overcomes
chain
weave
and rapid deterioration
of both the bar and chain.
(Figure
28).
13
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