
Operation & Maintenance
Troubleshooting
4
4-6
DB17doc072219
Operation & Maintenance
4.5
Troubleshooting
DANGER!
Before performing any service to this equip-
ment, turn the key to the OFF (0) position, remove the key,
and disconnect the sawmill battery ground terminal. Failure
to do so will result in serious injury or death.
PROBLEM
CAUSE
SOLUTION
70 amp circuit breaker
tripping
Wood or bark jammed in
blade guard
Turn key to OFF position, remove key.
Remove wood or bark from blade guard
Pivot pin is binding.
Inspect for bind by moving debarker head to
full in position. Turn key to OFF position,
remove key. Pull arm to full out position by
hand. If available, use a weight scale to pull
arm to full out position. Should not have more
than 12 pounds of resistance to pull out.
Ensure pivot pin has been greased properly.
Check pivot clamps for correct installation.
Loosen pivot clamp bolts slightly, check for
reduced binding
Ring terminal of red wire
touching debarker motor
housing at motor
Move terminal away from motor housing.
Reset circuit breaker and retest.
Circuit breaker weak from
repeated tripping.
Replace circuit breaker
Light comes on, but
debarker motor and
warning light do not
operate
Circuit breaker tripped
Reset circuit breaker.
Debarker shuts off, but
the circuit breaker is not
tripped.
Bad ignition wire connec-
tion
Check ignition wire connection outside and
inside of debarker control box.
Intermittent key switch
Replace key switch
Other loose wiring connec-
tion
Check wiring connections inside control box.
Debarker will not shut off.
Solenoid is stuck closed.
Replace solenoid.
IN/OUT Motor does not
move IN or OUT
Drive belt too loose
Tighten enough to allow movement.
DO NOT OVER-TIGHTEN.
Switch not working prop-
erly
Check wiring to switch for loose connections. If
wiring looks OK, replace switch.