Enerpac SOH-Series - Manual (Page 3)

3
6.1 TROUBLESHOOTING
1. Cylinder does not
advance, advances
slowly or in spurts.
PROBLEM
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.
POSSIBLE CAUSE
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.
2. Cylinder
advances, but does
not hold pressure. A. Leaking oil connection.
B. Leaking seals.
C. Internal leakage in pump.
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.
3. Cylinder does not
retract, retracts part
way or retracts more
slowly than normal. A. Release valve closed.
B. Pump reservoir overfilled.
C. Loose hydraulic coupler.
D. Air trapped in system.
E. Oil flow to cylinder blocked. 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.
SOLUTION
Model
Number Toe Lifting
Capacity
Lifting
Stroke
Lowest
Toe Lift
Position
Collapsed
Height
Bottom
Surface
Cylinder
Model
Number
Cylinder
Oil
Capacity
Weight
including
cylinder
SOH-10-6
75 kN
8,5 USton
136 mm
5.35 in
20 mm
.79 in
294 mm
11.57 in
215 x 190 mm
8.46 x 7.48 in
RC-106
224 cm 3
13.67 in 3
27 kg
59 lbs
SOH-23-6
178 kN
20 USton
157 mm
6.18 in
30 mm
1.18 in
315 mm
12.40 in
300 x 260 mm
11.81 x 10.24 in
RC-256
528 cm 3
32.19 in 3
45 kg
99 lbs
T ABLE A - S PECIFICATIONS
101 kN
10 USton
75 kN
8,5 USton
178 kN
20 USton
232 kN
25 USton