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Nexen FMCBES-8-42 801481 User Manual

Page 14

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FORM NO. L-20241-G-1209

14

PARTS REPLACEMENT-MALE PILOT BEARINGS AND O-RING SEALS (continued)

FMCBES 7-38

FIGURE 13

Apply a thin film of NEVER-SEEZ

®

to the

spline of the Stub Shaft (Item 23).

Align the Slotted Spring Pin (Item 25)

with the hole in the Piston.

32

18

28

29

14

32

30

23

22

24

Refer to Figure 13.

1. Remove the O-Ring Seals (Items 22 and 24) from the

Male Pilot (Item 18).

2. Remove the Retaining Ring (Item 32) from the Stub

Shaft (Item 23).

3. Press the Stub Shaft (Item 23) out of the Male Pilot

(Item 18).

NOTE

One old Bearing (Item 30) will remain attached to

the Stub Shaft (Item 23).

4. Remove the second Retaining Ring (Item 32) from the

Stub Shaft (Item 23).

5. Press the old Bearing (Item 30) from the Stub Shaft.

6. Remove the Retaining Ring (Item 28) from the Male

Pilot (Item 18); then, press the old Bearing (Item 29)

out of the Male Pilot.

7. Clean the bearing bore of the Male Pilot (Item 18)

with fresh safety solvent, making sure all old Loctite
residue is removed.

8. Press the new Bearing (Item 30) onto the Stub Shaft

(Item 23).

9. Reinstall one Retaining Ring (Item 32) to secure the

new Bearing in place on the Stub Shaft (Item 23).

10. Apply an adequate amount of Loctite 680 to evenly

coat the outer race of the new Bearing (Item 29).

11. Carefully align the outer race of the new Bearing

(Item 30) with the bore of the output side of the Male
Pilot.

12. While supporting the Male Pilot and pressing on the

outer race, press the new Bearing until it is seated
against the Retaining Ring (Item 28) inside the Male
Pilot.

13. Apply an adequate amount of Loctite 680 to evenly

coat the outer race of the second new Bearing (Item
30).

14. Carefully align the outer race of the new Bearing

(Item 30) with the bore of the Male Pilot.

17. Apply a thin film of NEVER-SEEZ

®

to the spline of the

Stub Shaft (Item 23).

18. Align the Slotted Spring Pin (Item 25) on the Male

Pilot with the hole in the Piston.

19. Slide the Male Pilot and Stub Shaft into the

FMCBES.

20. Apply a drop of Loctite 242 to the threads of the four

Socket Head Cap Screws (Item 14).

21. Reinstall the four Socket Head Cap Screws (Item 14),

securing the Male Pilot (Item 18) to the Air Chamber
(Item 13).

22. Tighten the four Socket Head Cap Screws (Item 14)

to the recommended torque (See Table 3).

CAUTION

Working with spring loaded or tension
loaded fasteners and devices can cause
injury. Wear safety glasses and take the
appropriate safety precautions.