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CHAIN
DIAGNOSIS
TROUBLE
,I
Chain
stretched
beyond
adjustment.
il
:11
Chain breakage.
,j
Chain stiff.
Hard to
tension.
' I
Chain
stalls
in
cut
and/or
scored
drum.
Chain
cuts
rough
or
digs in.
Chain
jumps
bar.
Chain
cuts
angle.
Worn
drive sprockets.
Excessive
wear
drive
links
and/or
side straps.
PROBABLE
CAUSE:
Dull cutters.
Lack of
lubrication.
Excessive
pressure
by operator.
Exces-
sive
joint.
Lack
of
lubrication.
Dull
cutters.
Lack of lubrication.
Poor maintenance.
Clutch slipping.
Excessive
pressure
[by
operator.
Clutch
springs
not
releasing.
Cutter
angles
incorrectly
filed.
Too
much or
uneven
joint.
Incorrect
chain
tension.
Damaged
cut-
ter
bar.
Damaged
drive links.
Worn
or
damaged
sprocket.
Cutter
angles
not
the
same
on
both
sides.
Uneven
joint.
Cutter
bar rails
uneven.
Incorrect
chain
tension.
Lack
of lubri-
cation.
Dull
cutters.
Lack of
lubrication.
Excessive
tension.
Dull
chain.
Worn sprocket.
RIDMEDY
Remove
a side and
drive
link.
Increase
Iubrication.
Replace
damaged
parts.
Check
balance
of
oil.
Increase
lubrication.
Rejoint
chain.
File chain.
Clean
chain
in
solvent.
Oil bath over-
night.
Check oil
pump and
vent holes.
Check
lining
for wear.
Check
springs
for
tension.
Apply
less
pressure,
cor-
rectly
filed chain will self-feed.
Check your
filing
instructions.
Refile
to
correct
angles.
Check
joint, rejoint
your
chain.
Correct
chain
tension.
Check bar for
damage,
repair
or replace.
Check
drive
links
for damage.
Replace
links or
entire
chain.
Refile cutters
to
same angle.
Check
rails,
if worn have
bar serviced
or replace.
Rejoint.
Increase
lubrication.
Replace
sprocket:
Correct
chain
tension.
Increase
lubrication.
File
cutters
and
joint
chain.
Increase
lubrication.
Check
oil
pump.
Extensive
damage
can be
occasioned in
a few hours.
Check
tension.
File
chain.
Check
sprocket,
14
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