910161
Hydraulic Rail Drill
Phone: (262) 637-9681
Email:
1.2023 Rev 3.1
Original Instructions
Page 23
Troubleshooting Guide
Symptom
Cause
Resolution
Tool will not operate.
Tool not properly connected
Check pressure and return
conditions
Low oil volume and/or pressure
Check hydraulic power source. Tool
will not operate if inlet pressure is
below 1000 psi or flow is less than
40 GPM
Tool runs at low speed.
Low oil volume and/or pressure
Check hydraulic power source for
recommended flow, pressure, and
proper conditions.
Contaminated hydraulic system
Remove contamination and clean
hydraulic system.
Too runs too fast.
Relief valve blocked or
contaminated.
Check relief valve. Clean or replace
as necessary.
Excessive pressure or flow.
Verify correct hydraulic power
source is being used.
Adjust hydraulic power supply.
Oil leakage from trigger area.
Damaged O-rings in spool.
Replace O-rings.
*Factory service is required.
Actuation Trigger sticks.
Excessive flow.
*Factory service is required.
Check trigger, sleeve spool for
binding.
Broken spring.
Replace spring.
Contamination.
Clean sleeve and spool.
Check hydraulic system.
Tool trigger plunger sticks or
works hard.
Check for dirt or deposits.
Clean components
Trigger binding (trigger bent, trigger
pivot pin to tight, etc.)
Inspect, adjust trigger where binding
occurs.
System overheats.
Excessive flow.
Reduce RPM of engine.
Inefficient cooling.
Increase reservoir size and/or oil
cooler.
