Troubleshooting Guide - Enerpac VLP Serie Hoja De Instrucciones

6" Fully Extended Plunger
Item
Part Number
1 RC106
2 P142
PATG1102N
Problem
Cylinder does not advance,
advances slowly or in
spurts
Cylinder advances, but
does not hold pressure
Cylinder does not retract,
retracts part way or
retracts more slowly than
normal
(4) holes
Figure 1, 10-ton VLP
Repair Parts List for VLP106
Description
Cylinder
Pump
Pump (European only)
Trouble-shooting Guide
Possible Cause
1. Oil level in pump reservoir is low
2. Release valve is open
3. Loose hydraulic coupler
4. Air trapped in system
5. Cylinder plunger binding
1. Leaking oil connection
2. Leaking seals
3. Internal leakage in pump
1. Release valve closed
2. Pump reservoir over filled
3. Loose hydraulic coupler
4. Air trapped in system
5. Cylinder retraction spring broken or
other cylinder damage
6. Additional tooling on cylinder too heavy
Item
Part Number
3 GA4
4 HC9206
HC7206
1. Add oil to pump
2. Close pump release valve
3. Check that all couplers are fully tightened
4. Remove air according to Section 4.2 Air Removal
5. Check for damage to cylinder. Have cylinder
serviced by a qualified hydraulic technician
1. Check that all connections are tightened
2. Locate leak(s) and have equipment serviced by
a qualified hydraulic technician
3. Have pump serviced by a qualified hydraulic
technician
1. Open pump release valve
2. Drain oil level to full mark
3. Check that coupler(s) are fully tightened
4. Remove air according to §4.2 Air Removal
5. Have cylinder serviced by a qualified hydraulic
technician
6. Remove tooling, check cylinder for damage
3
Description
Gauge Adaptor
Hose
Hose (European only)
Solution