16
OPERATING MANUAL
PROBLEM
POSSIBLE CAUSES
CORRECTION
Material bend is uneven
1.
Clamp setting wrong for
the material thickness.
2. Finger edges are uneven
Re-adjust cam settings
Adjust pan clearance
Adjust fingers
Panbrake Clamp does not
work
Pressure relief valve is
blocked
Failure in the pressure relief
valve
Directional valve is blocked
Failure of directional valve
Suction filter is blocked
Pump failure
Leakage in the pipes or cyl-
inder
* Clean valve
*Change valve
* Clean valve
* Change valve
* Clean filter
* Check pump and change
if necessary
* Find the leaks and repair
Pan does not ascend
Low pressure in lifting
cylinders
Leakage in lifting cylinders
* Check system pressure
*Replace piston seal
Oil leaking from cylinder
Gland seal is damaged
*Change seal
Oil leaking from fittings
Loose fittings
*Tighten fittings
5.5 Troubleshooting