H4635 Submersible Trash Pump
Greenlee Tools, Inc.
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
9
Problem
Probable Cause
Probable Remedy
Tool does not operate.
Improper power source.
Verify that the power source meets
the specifications. Refer to the
“Specifications” section of this manual.
Hydraulic fluid level low.
Check the fluid level. Check system for
leaks.
Incorrect hydraulic fluid viscosity.
Use hydraulic fluid with the correct
viscosity. Refer to the “Specifications”
section of this manual.
Debris stuck in the impeller.
Remove debris from the impeller.
Tool operates slowly or
erratically.
Hydraulic fluid cold.
Allow fluid to warm to the operating
temperature. Actuate the tool intermit-
tently to reduce the warming time.
Power source not adjusted
correctly.
Refer to the power source operator’s
manual. Set the flow and pressure to
correspond with the tool.
Hydraulic fluid level low.
Check the fluid level. Check system for
leaks.
Air in the hydraulic system.
Refer to the power source manufac-
turer’s instructions for removing air from
the system.
Incorrect hydraulic fluid viscosity.
Use hydraulic fluid with the correct
viscosity. Refer to the “Specifications”
section of this manual.
Tool operates backwards.
Hose connections at tool reversed.
Depressure the hydrauic system. Switch
the hose connections.
Tool operates, but discharge
is low.
Inlet port plugged.
Remove debris from the area around the
base legs and base plate.
Discharge hose plugged.
Remove and clean hose.
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 identify the item that is not operating.
If the problem is in the tool, refer to the troubleshoot-
ing table below. If the problem is in the power source,
refer to the troubleshooting section of the power source
instruction manual.