Use and Care Manual

66
GUIDE BAR
Guide Bar Troubleshooting
Most guide bar problems occur in the guide bar rails, and are caused
by four things: lack of lubrication, incorrect saw chain tension, and
accidents or irregular operating techniques which pinch the rails or
push the drive links sideways against the guide bar rails.
Problem
Worn Rail Conditions
31 32 33
Rails are worn down,
groove becomes
shallow.
Remedy: See T.
Outsides of rails
develop wire edges.
Remedy: See T.
Rail on one side is
worn thin, or low.
Remedy: See U.
34 35 36
Rails around the tip
of solid-nose guide
bars show small
cracks or broken out
sections.
Remedy: See V.
Rails around the tip
of solid-nose guide
bars are split at the
bottom of the guide
bar groove.
Remedy: See V.
Rails along the
guide bar body or
around the tip of
sprocket-nose guide
bars show blue
discoloration.
Remedy: See W.
Problem
Guide Bar Nose Failure
37
Chipped rails or excessive rail wear just behind the hard Stellite alloy
on solid-nose guide bars, or near the nose connection on replaceable
sprocket-nose guide bars. Remedy: See X.