Nexen FMCBES-8-42 801481 User Manual
Page 14

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.
- FMCBES-8-42 801482 FMCBES-130-19 801466 FMCBES-130-19 801467 FMCBES-130-24 801469 FMCBES-130-24 801470 FMCBES-7-38 801475 FMCBES-7-38 801476 FMCB/E-625 801721 FMCBES-110-14 801451 FMCBES-110-14 801452 FMCBES-7-28 801472 FMCBES-7-28 801473 FMCBES-8-38 801478 FMCBES-8-38 801479 FMCBES-110-14 801401 FMCBES-130 801402 FMCBES-7-38 801661 FMCBES-7-28 801662 FMCBES-8-38 801664 FMCBES-8-42 801405