Troubleshooting Guide - Enerpac XLP Serie Manual De Instrucciones

XLP 50 and 75 ton Press
Speed (mm/s) **
Rapid Pressing
Advance
A
{5,5} ** {0,3} ** 310 240
4,7 0,6 310 240
10,0 2,0 310 240
10,0 2,0 310 240
3,2 0,4 420 330
** {...} = advance speed in mm per handpump stroke.
Problem
Cylinder does not 1. Oil level in pump is low
advance, advances 2. Pump release valve open
slowly or in spurts. 3. Loose hydraulic coupler
4. Load is too heavy
5. Air trapped in the system
6. Cylinder plunger binding.
Cylinder advances, but 1. Leaking connection
does not hold pressure. 2. Leaking cylinder seals
3. Internal leakage in pump.
Cylinder does not 1. Pump reservoir is over-filled
retract, retracts part way 2. Loose hydraulic coupler
or retracts more slowly 3. Internal leakage in pump.
than normal.
Cylinder does not 1. Release valve closed
retract, retracts part way 2. Cylinder retraction spring broken or other cylinder damage
or retracts more slowly 3. Cylinder attachments are too heavy for a
than normal. single-acting cylinder
4. Coupler not connected fully.
Dimensions (mm)
B D E F G
32 990 1190 1390 1995 210-940 540 150 595
32 990 1190 1390 1995 210-940 540 150 600
32 990 1190 1390 1995 210-940 540 150 660
32 990 1190 1390 1995 210-940 540 150 700
40 990 1240 1430 1995 210-940 540 150 900
Possible Cause
Single-acting systems:
H K N P

Troubleshooting Guide

1. Add oil according to the pump instructions
2. Close pump release valve
3. Check that all couplers are fully tightened
4. Do not attempt to exert more than rated tonnage
5. Remove air according to the instructions §6.2
6. Check for damage to cylinder. Have cylinder serviced by
a qualified hydraulic technician.
1. Check that all connections are tight and leak free
2. Locate leak(s) and have equipment serviced by a qualified
hydraulic technician
3. Have pump serviced by a qualified hydraulic technician.
1. Drain oil level to full mark. See pump instructions for
adding oil
2. Check that coupler(s) are fully tightened
3. Remove air according to the instructions §6.2.
1. Open pump release valve
2. Have cylinder serviced by a qualified hydraulic technician
3. Use a double-acting cylinder to check that all coupler are
fully tightened.
To maintain your warranty,
have your products inspected and repaired
by an authorised Enerpac Service Centre
www.enerpac.com
4
Press
Model Number
(kg)
XLP-506P802 *
XLP-506XA12G *
XLP-506ZES *
XLP-5013ZES *
XLP-756XA12G *
Solution
GB