Chain Saws
Greenlee / A Textron Company
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
21
Troubleshooting
(cont’d)
Problem
Probable Cause
Probable Remedy
Chain does not cut.
Chain dull.
Remove chain and sharpen to chain
manufacturer’s specifications or
replace with a sharp chain.
Too much tension on the chain.
Adjust chain tension. See Saw Chain
and Bar Maintenance.
Automatic oiler not lubricating
chain and bar.
See Checking and Setting the
Automatic Chain Oiler.
Chain installed backward.
Remove chain and install correctly.
Guide bar worn.
Inspect guide bar rails for wear.
See Saw Chain and Bar
Maintenance. If excessively worn,
replace guide bar.
Tool feels hot.
Hydraulic fluid level low.
Check the fluid level. Check system
for leaks.
Incorrect hydraulic fluid viscosity.
Use hydraulic fluid with the correct
viscosity. See the Specifications and
Parts manual.
Hydraulic fluid dirty.
See the power source owner’s
manual for procedure to replace
hydraulic oil and filter.
Chain is difficult to rotate manually.
Hydraulic pressure trapped in saw
motor.
Release hydraulic pressure by using
proper hose disconnection proce-
dure. See Hose Connections in this
manual.
Chain and bar improperly adjusted.
See Adjusting Chain Tension under
Saw Chain and Bar Maintenance in
this manual.
Chain drive links damaged.
Remove chain and inspect drive
links.
Bar groove damaged.
Remove chain and inspect bar
groove.
