Nexen FMCB-7-38 801613 - Manual (Page 18)

18 FORM NO. L-20179-H-1209
5. Remove the Cylinder (Item 22) from the Air Chamber
(Item 14).
6. Remove the Retaining Ring (Item 20) from the Splined
Disc (Item 9).
the Splined Disc to the Bearing (Item 18).
21. Apply a drop of Loctite ® 242 to the threads of the
Socket Head Cap Screws (Item 8).
22. Reinstall and tighten the four Socket Head Cap
Screws (Item 8) securing the Air Chamber (Item 14) to
the Housing (Item 7) to 33.2 Nm [24.5 ft-lb] torque.
23. Remove the old O-Ring Seals (Items 23 and 24) from
the Cylinder (Item 22).
24. Coat the O-Ring contact surfaces of the Cylinder
(Item 22) and the new O-Ring Seals (Items 23 and
24) with a thin film of O-Ring lubricant and install the
new O-Ring Seals.
25. Align the Spring Pin (Item 25) in the Cylinder (Item
22) with the hole in the Piston (Item 17); then,
slide the Cylinder into the Piston.
26. Apply a drop of Loctite ® 242 to the threads of the
Socket Head Cap Screws (Item 26).
27. Reinstall and tighten the four Socket Head Cap
Screws (Item 26) securing the Cylinder (Item 22) to
the Air Chamber (Item 14) to 16.7 Nm [12.3 ft-lb]
torque.
7. Press the Splined Disc (Item 9) out of the Bearing
(Item 18) and Piston (Item 17).
8. Remove the Piston (Item 17) from the Air Chamber
(Item 14).
9. Remove the Retaining Ring (Item 19) from the Piston
(Item 17).
10. Remove the old O-Ring Seals (Items 16 and 21) from
the Piston and Air Chamber.
11. Press the Bearing (Item 18) out of the Piston (Item
17).
12. Clean the bearing bore of the Piston with fresh
safety solvent, making sure all old Loctite ® residue is
removed.
13. Apply an adequate amount of Loctite ® 680 to evenly
coat the outer race of the new Bearing (Item 18).
14. Carefully align the outer race of the new Bearing (Item
18) with the bore of the Piston (Item 20).
15. Supporting the Piston (Item 17) and pressing on the
outer race of the new Bearing, press the new Bearing
into the Piston.
16. Reinstall the Retaining Ring (Item 19), securing the
Bearing to the Piston.
17. Coat the O-Ring contact surfaces of the Air Chamber
(Item 14), Piston (Item 17), and the new O-Ring Seals
(Items 16 and 21) with a thin film of O-Ring lubricant
and install the new O-Ring Seals.
18. Slide the Piston (Item 17) into the Air Chamber (Item
14).
19. Support the inner race of the Bearing (Item 18) and
press the Splined Disc (Item 9) into the Bearing and
Piston (Item 17).
20. Reinstall the Retaining Ring (Item 20) that secures
Figure 17
9
14
16
21
17
26
24
23
20
3/19
2/18
25
22
CAUTION
Working with spring loaded or tension
loaded fasteners and devices can cause
injury. Wear safety glasses and take the
appropriate safety precautions.
PISTOn BearInG anD O-rInG SealS continued