Troubleshooting - Stanley CT15 User Manual

If symptoms of poor performance develop, the following chart can be used as a guide to correct the problem.
When diagnosing faults in operation of the grinder, always check that the hydraulic power source is supplying the
correct hydraulic flow and pressure to the grinder as listed in the table. Use a flowmeter known to be accurate.
Check the flow with the hydraulic oil temperature at least 80 °F/27 °C.
PROBLEM
Tool does not operate.
Tool operates in reverse (piston
advances/retracts when trigger is
squeezed).
Tool under-crimps. Die load less
than 10 tons/9072 kg.
Tool over-crimps. Die load more
than 16 tons/13,600 kg.
Trigger difficult to operate.
14 ► CT15 User Manual

TROUBLESHOOTING

CAUSE
Hydraulic hoses not connected
properly.
Hydraulic control valve OFF.
Hydraulic system not functioning.
Couplers or hoses blocked.
Pressure port check valve is
installed in tool return port.
Hoses connected to wrong ports
on tool.
Hydraulic system pressure too
low.
Relief valve set too low.
Dirt or obstruction between dies.
Piston seal worn or damaged.
Improper die set for wire and
connector.
Hydraulic system pressure too
high.
Relief valve set too high.
Hoses connected to wrong ports
on tool.
Excessive back-pressure.
Trigger guard bent and binding on
spool in bore.
SOLUTION
Make sure hoses are connected and
the couplers are tight.
Turn the hydraulic system control
valve ON.
Check hydraulic power unit for correct
flow and pressure.
Remove obstruction.
Install pressure port check valve in
pressure port.
Connect input (supply) line to IN port.
Connect output (return) line to OUT
port.
Check hydraulic power source for
correct flow and pressure.
Increase relief valve pressure.
Remove obstruction. Clean die area.
Contact an authorized Stanley
Distributor.
Install proper die set.
Check hydraulic power source for
correct flow and pressure.
Decrease relief valve pressure.
Connect input (supply) line to IN port.
Connect output (return) line to OUT
port.
If back-pressure is greater than
250 psi/17 bar, clear the return line
obstruction or restriction.
Repair or replace trigger assembly.