Enerpac XLP 50 and 75 ton - Manual (Page 4)

4
To maintain your warranty,
have your products inspected and repaired
by an authorised Enerpac Service Centre
www.enerpac.com
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Troubleshooting Guide
Problem Possible Cause Solution
Cylinder does not
adv ance, adva nces
slowly or in spurts.
1. Oil level in pump is low
2. Pump release valve open
3. Loose hydraulic coupler
4. Load is too heavy
5. Air trapped in the system
6. Cylinder plunger binding.
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.
Cylinder advances, but
does not hold pressure.
1. Leaking connection
2. Leaking cylinder seals
3. Internal leakage in pump.
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.
Cylinder does not
retract, retracts part way
or retracts more slowly
than normal.
1. Pump reservoir is over-filled
2. Loose hydraulic coupler
3. Internal leakage in pump.
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.
Single-acting systems:
Cylinder does not
retract, retracts part way
or retracts more slowly
than normal.
1. Release valve closed
2. Cylinder retraction spring broken or other cylinder damage
3. Cylinder attachments are too heavy for a
single-acting cylinder
4. Coupler not connected fully.
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.
GB
Speed (mm/s) ** Dimensions (mm)
(kg)
Press
Model Number
Rapid
Advance
Pressing
A B D E F G H K N P
{5,5} ** {0,3} ** 310 240 32 990 1190 1390 1995 210-940 540 150 595 XLP-506P802 *
4,7 0,6 310 240 32 990 1190 1390 1995 210-940 540 150 600 XLP-506XA12G *
10,0 2,0 310 240 32 990 1190 1390 1995 210-940 540 150 660 XLP-506ZES *
10,0 2,0 310 240 32 990 1190 1390 1995 210-940 540 150 700 XLP-5013ZES *
3,2 0,4 420 330 40 990 1240 1430 1995 210-940 540 150 900 XLP-756XA12G *
** {…} = advance speed in mm per handpump stroke.
XLP 50 and 75 ton Press