Troubleshooting - Fairmont H4660B Manual De Instrucciones

Troubleshooting

Before troubleshooting, determine whether the problem
is in the tool, the hoses, or the power source. Substitute
a tool, hoses, or power source known to be in good
working order to eliminate the item that is not operating.
Problem
Tool doesn't operate.
Tool operates slowly or
erratically.
Tool operates backwards.
Tool operates,
but discharge is low.
Greenlee / A Textron Company
Probable Cause
Improper power source.
Hydraulic fluid level low.
Incorrect hydraulic fluid viscosity.
H4635 and H4670 only:
Debris stuck in the impeller.
Hydraulic fluid cold.
Power source not adjusted correctly.
Hydraulic fluid level low.
Air in the hydraulic system.
Incorrect hydraulic fluid viscosity.
Hose connections at tool reversed.
H4630, H4665B and H4660A only:
Inlet screen plugged with debris.
H4635 and H4670 only:
Inlet port plugged.
Discharge hose plugged.
8
Submersible Pumps
If the problem is in the tool, see the troubleshooting table
in this manual. If the problem is in the power source, see
the troubleshooting section of the power source instruc-
tion manual.
Verify that the power source meets the
specifications. See the Specifications
and Parts manual.
Check the fluid level. Check system
for leaks.
Use hydraulic fluid with the correct
viscosity. See the Specifications
and Parts manual.
Remove debris from impeller.
Allow fluid to warm to the
operating temperature. Actuate
the tool intermittently to reduce the
warming time.
Refer to the power source operator's
manual. Set the flow and pressure
to correspond with the tool.
Check the fluid level. Check system
for leaks.
See power source manufacturer's
instructions for removing air from
the system.
Use hydraulic fluid with the correct
viscosity. See the Specifications
and Parts manual.
Depressurize hydraulic system.
Switch the hose connections.
Remove debris from inlet screen.
Remove debris from the area around
the base legs and base plate.
Remove and clean hose.
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
Probable Remedy