Enerpac SOH-10-6 Notice D'emploi page 3

6.0 TROUBLESHOOTING
The trouble-shooting table 6.1 on page 3 is intended to be used as an aid in determining if a
problem exists.
6.1 TROUBLESHOOTING
PROBLEM
1. Cylinder does not
advance, advances
slowly or in spurts.
2. Cylinder advances,
but does not hold
pressure.
3. Cylinder does not
retract, retracts part
way or retracts more
slowly than normal.
Table A - Specification
Model Toe Lifting
Number Capacity
75 kN
SOH-10-6
8,5 USton
178 kN
SOH-23-6
20 USton
101 kN
10 USton
232 kN
25 USton
POSSIBLE CAUSE
A. Oil level in pump
reservoir is low.
B. Release valve open.
C. Loose hydraulic coupler.
D. Air trapped in system.
E. Cylinder plunger binding.
A. Leaking oil connection.
B. Leaking seals.
C. Internal leakage in pump.
A. Release valve closed.
B. Pump reservoir
overfilled.
C. Loose hydraulic coupler.
D. Air trapped in system.
E. Oil flow to cylinder
blocked.
Lifting Lowest Collapsed
Stroke Toe Lift
Position
136 mm 20 mm
5.35 in 0.79 in
157 mm 30 mm
6.18 in 1.18 in
75 kN
8,5 USton
178 kN
20 USton
SOLUTION
A. Add oil to pump.
B. Close pump release valve.
C. Check that all couplers are fully tightened.
D. Remove air (see paragraph 4.3).
E. Check for damage to cylinder. have cylinder
serviced by an authorized Enerpac service
center.
A. Check that all connections are
tightened.
B. Locate leak(s) and have equipment serviced
by an Enerpac service center.
C. Have pump serviced by an authorized
Enerpac service center.
A. Open pump release valve.
B. Drain oil level to full mark.
C. Check that coupler(s) are fully tightened.
D. Remove air (see paragraph 4.3).
E. Check that coupler(s) are correctly
connected, fully tightened and valving is
functioning properly.
Bottom
Height Surface
294 mm 215 x 190 mm
11.57 in 8.46 x 7.48 in
315 mm 300 x 260 mm
12.40 in 11.81 x 10.24 in
3
Cylinder Cylinder
Model Oil
Number Capacity
3
224 cm
RC-106
3
13.67 in
3
528 cm
RC-256
3
32.19 in
Weight
Including
Cylinder
27 kg
59 lbs
45 kg
99 lbs