Operating Instruction Manual:
OM-TPA-A-01
Serial Numbers:
All
25
TROUBLESHOOTING GUIDE (continued…)
Problem
Possible Cause
Solution
8. Erratic tool 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 5.2.
d. Air in the hydraulic system.
Bleed air from the system. (
See section 5.10
)
e. Tool piston binding.
Contact your local Hi-Force office / distributor.
9. Tool stalls under load
or before maximum
torque 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 5.6
)
10. Noisy Operation
a. Air trapped in the hydraulic system. Bleed air from the system. (
See section 5.10)
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 5.2.
11. Gauge displays no
pressure reading.
a. Faulty gauge.
b. Pump will not build pressure.
See problems 2 & 3 above.
