Poweramp POWERSTOP AUTO 11.1996 - Manual (Page 16)

WARNING
Always barricade the work area to prevent unauthorized use of the unit during
repair or maintenance procedures.
Always lock OFF all electrical disconnects when servicing the unit. Always
stand clear of the dockleveler lip when working in front of the unit. Never work in
the operating range of the restraint with power ON.
Always check and either repair or replace burned out lights. Failure to do so
could jeopardize dock attendant's safety.
Perform the following proceedures prior to beginning detailed troubleshooting:
A . Check all fuses inside the control assembly. Replace any bad fuse with
one of equivalent specification.
B . Confirm presence of necessary voltages inside the control assembly.
C . Make sure the thermal overload on the motor has not tripped. (Motor has
an integral thermal protector that automatically resets).
14
Mechanical Troubleshooting
Troubleshooting
Problem Possible Solution(s)
Carriage will not raise. 1. Check side release lever--it may be bound and not releasing.
2. Check restraint body for debris which may bind operation.
3. Check for broken extension springs.
4. Check link joints for missing or bent shoulder bolts, pins or
excessive wear.
5. Joints are permanently lubricated bushings and should not
require oiling, however, rubbing surfaces of links should be
lubricated per maintenance section of this manual.
Carriage will not lower or lock
down. 1. Check side release lever--it may be bound and not engaging.
2. Check restraint body for debris which may bind operation.
3. Check link joints for missing or bent shoulder bolts, pins or
excessive wear.
4. Joints are permanently lubricated bushings and should not
require oiling, however, the rubbing surfaces of links should
be lubricated per maintenance section of this manual.
5. On occasion, a truck may move forward, trapping the ICC
bumper maintaining a positive engagement. To unlock the
restraint carriage, it may be necessary for the truck to back up.