3
Model
Operating
Maximum
Maximum
Effective
Oil
Maximum
Weight
No.
Pressure
Clamping
Stroke
Working
Capacity
Oil flow
Force
Stroke
(bar)
(kN)
(mm)
(mm)
(cm3)
(I/min)
(kg)
MRS-1
50 - 350
8,6
2,2
2,2
0,7
2
0,5
MRS-2
50 - 350
22,5
2,2
2,2
1,6
2
0,9
MRS-5
50 - 350
45,9
2,2
2,2
3,2
2
1,8
MRS-1001
135 - 350
9,8
4,8
2,4
3,4
2
1,2
MRS-2001
185 - 350
17,4
5,3
2,6
5,1
2
2,1
MRS-3001
180 - 350
26,7
5,6
2,8
8,9
3
3,0
MRS-5001
235 - 350
39,6
5,6
2,8
8,9
3
3,5
45,9 kN
22,5 kN
8,6 kN
MRS/WRS-1 and 2
Effective Working Area
Effective Working Area
MRS/WRS-5
350 bar
MRS/WRS-1
350 bar
MRS/WRS-2
350 bar
MRS/WRS-5
0
1,0
2,0
2,2
Figure 2, MRS-1, 2 and 3
Problem
Probable Cause
Cylinder will not advance
1. Spring broke. Replace spring(s).
2. Plunger binding. Check cylinder internal parts.
3. No oil or too low oil level in pump. Refill reservoir.
4. Pump release valve open. Close pump’s valve.
Cylinder leaks oil
1. Worn or damaged plunger. Replace plunger and seals.
2. Seals damaged. Replace seals.
3. Leaking or loose oil connections.
Cylinder will not retract.
1. Pump release valve closed. Open this valve.
2. Couplers not completely connected. Check hydraulic line.
3. Internally damaged plunger. Check parts.
8.0 TROUBLESHOOTING GUIDE
TABLE A
