Keeping the World Flowing
55
16.0 Periodic Maintenance
PM-LP-007
Page: 5/10
Component:
Single-acting actuator
Task:
Hydraulic cylinder for manual override seals replacement
Equipment, Tools, Materials:
Spare seals
Wrench
Lifting tools
Project documentation
Warnings:
INSTRUCTION VALID FOR SPRING DOWN ONLY
22. Remove sliding rings (11) and O-ring (12)
11
12
11
INSTRUCTION VALID FOR SPRING DOWN ONLY
23. Unfasten screws (15) and remove flange (16)
24. Remove O-ring (17)
15
16
17
INSTRUCTION VALID FOR SPRING DOWN ONLY
25. Remove, O-ring (7) and anti-extrusion ring (8)
26. Remove lip seal rings (9)
9
8
7
INSTRUCTION VALID FOR BOTH SPRING DOWN AND SPRING UP
1. Carefully clean the seals grooves
2. All the removed parts must be thoroughly cleaned, inspected and de-burred as necessary
3. Replace all seals and lubricate them with a grease film
4. Lubricate all sliding parts. Use only recommended grease
A4
US
US
A4
US
A4
A4
US
Summary of Contents for LP/S Series
Page 89: ...Keeping the World Flowing 89...
