Masoneilan 51/52/53 Series Cylinder Actuator | 31
Copyright 2021 Baker Hughes Company. All rights reserved.
9. Remove Separator Plate (13), Spring Tube (7) and spring subassembly.
10. Replace the Rod Scraper (34) with a new part. Coat the Rod Scraper with silicone (or equivalent).
11. Replace spring unit, Spring Tube (7), Separator Plate (13), Piston Subassembly (15).
12. Replace the O-ring (21) on the Top Plate (17) and the O-ring (21) and Guide Ring (16) on the Piston Plate S/A
(15) with new parts. Coat the O-rings and Guide Ring with silicone grease (or equivalent).
13. Replace Cylinder Tube (14), and Top Plate (17) with only axial movement. Coat the inner surface of the cylinder
tube with silicone grease.
Figure 16 - Spring Subassembly Removal
Spring Unit
Subassembly
DO NOT
disassemble!
Be careful not to damage the inner surface of the Guide Bushing (8) with the Compression Nut (12)
during assembly.
Be careful not to damage the inner surface of the Guide Bushing (8) with the Compression Nut (12)
during assembly.