Operator`s manual

84
Guide Bars
GUIDE-BAR TROUBLESHOOTING
Most guide bar problems occur in the bar rails, and
are caused by four things: incorrect chain tension,
lack of lubrication, and accidents or irregular operating
techniques which pinch the rails or push the drive links
sideways against the bar rails.
Look closely at your guide bar and compare it to the
following illustrations. See the following pages for
remedies to these problems.
 29  30
Rails are spread or worn down, Outsides or rails develop
groove becomes spread or shallow. wire edges.
Remedies: See T and U. Remedy: See T.
 31  32
Rail on one side is worn low. Rails around the tip of solid-
Remedy: See U. nose bars show small cracks
or broken-out sections.
Remedy: See V.
.
PROBLEM
Worn rail conditions
CONTINUED…
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