Nexen FM 625 BISSC 827251 - Manual (Page 12)

12 FORM NO. L-20250-E-0114
Refer to Figures 12 & 13.
1. Remove the Retaining Ring (Item 6).
2. Supporting the inner flange of the Housing (Item 1), press
the Splined Disc (Item 10) out of the Piston (Item 16) and
Bearing (Item 2).
3. Slide the Piston (Item 16) and O-Ring Seals (Items 14 and
15) out of the Housing (Item 1).
4. Remove the Retaining Ring (Item 3) from the Piston (Item
16).
5. Supporting the Piston (Item 16), press the Bearing (Item 2)
out of the Piston.
6. Supporting the Piston (Item 16) and pressing on the outer
race of the new Bearing (Item 2), press the new Bearing into
the Piston.
7. Reinstall the Retaining Ring (Item 3).
8. Clean the O-Ring contact surfaces of both the Piston (Item
16) and Housing (Item 1) with fresh safety solvent.
9. Coat the O-Ring contact surfaces of the Piston (Item 16)
and Housing (Item 1) with fresh O-Ring lubricant and wipe
off the excess lubricant.
10. Coat the new O-Ring Seals (Item 14 and 15) with fresh
O-Ring lubricant.
11. Install O-Ring Seal (Item 14) into the Housing (Item 1) and
O-Ring Seal (Item 15) onto the Piston (Item 16).
12. Slide the Piston (Item 16) with O-Ring Seal (Item 15) back
into the Housing (Item 1) and O-Ring Seal (Item 14).
FIGURE 13
1 7 11 10 7 11 14 15 16
3
2
6
Spring Pin
alignment hole
13. Remove the six Machine Screws (Item 7) securing the Split
Friction Facings (Item 11) to the Housing (Item 1).
14. Remove the Split Friction Facing (Item 11) from the Housing
(Item 1).
15. Using six new Machine Screws (Item 7), secure the new
Friction Facing (Item 11) to the Housing (Item 1).
16. Tighten the six Machine Screws (Item 7) to 22 In. Lbs. [2.5
Nm] torque.
17. Remove the six Machine Screws (Item 7) securing the Split
Friction Facings (Item 11) to the Splined Disc (Item 10).
18. Remove the Split Friction Facing (Item 11) from the Splined
Disc (Item 10).
19. Using six new Machine Screws (Item 7), secure the new
Friction Facing (Item 11) to the Splined Disc (Item 10).
20. Tighten the six Machine Screws (Item 7) to 22 In. Lbs. [2.5
Nm] torque.
21. Support the inner race of the Bearing (Item 2) and press the
Splined Disc (Item 10) back into the Bearing (Item 2) and
Housing (Item 1).
22. Reinstall the Retaining Ring (Item 6).
FIGURE 12
7 1 14 15 16
7 10 11 3 6 2 11
FRICTION FACINGS (Item 11), O-RINGS SEAL (Item 14 and 15), AND BEARING (Item 2)
CAUTION
Working with spring loaded or tension
loaded fasteners and devices can cause
injury. Wear safety glasses and take the
appropriate safety precautions.