Greenlee / A Textron Company
10
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
1990 Hydraulic Crimping Tool
Troubleshooting
PROBLEM
PROBABLE CAUSE
POSSIBLE REMEDY
Ram does not advance.
Air in the hydraulic system.
See Air Purging and Oil Filling Procedure.
Check valve or release mechanism.
Return tool to an authorized service center.
Ram advances slowly.
Air in the hydraulic system.
See Air Purging and Oil Filling Procedure.
Check valve or release mechanism.
Return tool to an authorized service center.
Ram advances erratically.
Air in the hydraulic system.
See Air Purging and Oil Filling Procedure.
Ram retracts partially with
Air in the hydraulic system.
See Air Purging and Oil Filling Procedure.
each stroke.
Check valve.
Return tool to an authorized service center.
Ram does not fully advance.
Hydraulic fluid level is low.
See Air Purging and Oil Filling Procedure.
Ram does not fully retract.
Air in the hydraulic system.
See Air Purging and Oil Filling Procedure.
Reservoir is overfilled.
See Air Purging and Oil Filling Procedure.
Internal binding.
Return tool to an authorized service center.
Ram does not retract.
Dies damaged.
Return tool to an authorized service center.
Release mechanism.
Return tool to an authorized service center.
Pressure builds slowly;
Discharge check ball.
Flush valve seat using rapid pump strokes.
handle springs back.
If unit still does not work, return tool to an
authorized service center.
Pressure builds slowly;
Relief valve or release mechanism.
Return tool to an authorized service center.
no response.
No high pressure.
Check valve.
Flush valve seat using rapid pump strokes.
If unit still does not work, return tool to an
authorized service center.
Air in hydraulic system.
Improper fill procedure.
See Air Purging and Oil Filling Procedure.
Loose or missing reservoir plug.
Replace plug.
Reservoir damaged.
Replace reservoir.
Reservoir missing O-ring.
Replace O-ring.
Damaged O-ring on low pressure
Return tool to an authorized service center.
injector.
