
13
Stabilizer Operation and User guide
version 2950-4 - 2018
Service and Maintenance
SERVICE
Maintenance schedule
Ser-
vice
level 250h 500h 2000h 4000h 8000h 12000h
When
out of
water
When
required
Months/
Year
1. Inspect the Dirt Indicator of the return
filter, replace when required
1 W
ü
6/0.5
2. Inspect Flexible Hoses
1 W
ü
3. Inspect Suction Hoses
1 W
ü
4. Inspect Electrical Connections
1 W
ü
5. Inspect Cooling Pump
1 W
ü
6. Inspect Oil Cooler Tubes
1 W
ü
7. Inspect Pump Drive Coupling
1 W
ü
8. Inspect Motor and Frame Mounts
1 W
ü
9. Test Hydraulic Oil Quality by means
of taking sample***
2 W
ü
ü
12/1
st
10. Replace Return Filter Element*
1 W
ü
ü
24/2
nd
11. Replace Pressure Filter Element*
1 W
ü
ü
24/2
nd
12. Change Oil. Refill with mineral
based hydraulic oil ISO - VG46
1 W
ü
ü
36/3
rd
13. Replace Drive Coupling Element
3 W
ü
14. Rebuild/Replace Cooling Pump
3 W
ü
15. Replace Hydraulic Hoses
3 W
ü
16. Replace Oil Cooler
3 W
ü
17. Replace Hydraulic Pumps*
3 W
ü
C. HYDRAULIC POWER UNIT
Maintenance schedule
Ser-
vice
level 250h 500h 2000h 4000h 8000h 12000h
When
out of
water
When
required
1. Clean the Cooling Fan of the VFD
1/3 W
ü
2. Test the Emergency Stop Button
1/3 W
ü
D. CONTROL SYSTEM