Operating Instruction Manual:
OM-TLA50-01
From Serial Number:
All
19
TROUBLESHOOTING GUIDE (continued…)
Problem
Possible Cause
Solution
6. Cylinder advances part
way.
a. Oil level too low.
Add oil as per section 5.3.
b. Cylinder piston binding.
Contact your local Hi-Force office / distributor.
c. External obstruction.
Retract cylinder and clear obstruction.
7. Erratic cylinder
movement.
a. Leakage from pump or valve
internal components.
Contact your local Hi-Force office / distributor.
b. Internal leak, due to damaged/worn
seals or valves.
Contact your local Hi-Force office / distributor.
c. Oil level too low.
Check unit for visible leaks. Add oil as per
section 5.3.
d. Air in the hydraulic system.
Bleed air from the system. (
See section 5.8
)
e. Cylinder piston binding.
Contact your local Hi-Force office / distributor.
8. Cylinder stalls under
load or before
maximum tonnage is
reached.
a. Control Valve damaged.
Contact your local Hi-Force office / distributor.
b. Seal damage / wear or internal
damage.
Contact your local Hi-Force office / distributor.
c. Low air pressure / volume.
Check air supply, including regulator setting
and the size of the connecting hoses to
ensure the correct airflow / pressure
requirements are met. (
See section 5.5
)
9. Cylinder advances, but
will not hold.
a. Pump malfunction.
Contact your local Hi-Force office / distributor.
b. Leaking connection.
Replace faulty component.
c. Cylinder seals leaking.
Contact your local Hi-Force office / distributor.
10. Cylinder leaks oil.
a. Worn or damaged seals.
Contact your local Hi-Force office / distributor.
b. Internal cylinder damage.
Contact your local Hi-Force office / distributor.
c. Loose connection.
Tighten or repair the connection.
11. Cylinder will not
retract or retracts
slower than normal.
a. Faulty control pendant.
Contact your local Hi-Force office / distributor.
b. Oil reservoir over-filled.
Drain excess oil from oil reservoir.
c. Internal cylinder damage.
Contact your local Hi-Force office / distributor.
12. Overload protection
valve (11) leaking.
a. Faulty Valve.
Contact your local Hi-Force office / distributor.
13. Noisy Operation
a. Air trapped in the hydraulic system. Bleed air from the system. (
See section 5.8)
b. Air leaking into the hydraulic
system.
Visually inspect all areas where air might leak
into the hydraulic system.
c. Oil level too low.
Check unit for visible leaks. Add oil as per
section 5.3.