FORM NO. L-20191-F-1202
16
PARTS REPLACEMENT - MALE PILOT BEARINGS AND O-RING SEALS
FMCBE 7-38
Figure 19
Figure 19
Figure 19
Figure 19
Figure 19
31
23
24
22
30
32
8
28
32
29
27
15
Apply a thin film of NEVER-
SEEZ
®
to the spline.
Align the Slotted Spring Pin (Item
25) with the hole in the Piston.
NOTE: Refer to Figure 19.
1.
Remove the old O-ring Seals (Items 23 and 24)
from the Cylinder (Item 22).
Use caution and
always wear safety
goggles when working
with spring or tension
loaded fasteners or
devices such as
retaining ring.
WARNING
2.
Remove the first Retaining Ring (Item 32) from the
Stub Shaft (Item 31).
3.
Press the Stub Shaft (Item 31) out of the Male Pilot
(Item 27).
NOTE: Bearing (Item 30) will come out of the Male Pilot
(Item 27) attached to the Stub Shaft (Item 31).
4.
Remove the second Retaining Ring (Item 32) from
the Stub Shaft (Item 31).
5.
Remove the old Bearing (Item 30) from the Stub
Shaft (Item 31).
6.
Remove Retaining Ring (Item 28) from the Male
Pilot (Item 27).
7.
Press the second old Bearing (Item 29) out of the
Male Pilot (Item 27).
8.
Clean the bearing bore of the Male Pilot (Item 27)
with fresh safety solvent, making sure all old
Loctite
®
residue is removed.
9.
Press the new Bearing (Item 30) onto the Stub
Shaft (Item 31).
10. Reinstall the first Retaining Ring (Item 32) onto the
Stub Shaft (Item 31).
11. Apply an adequate amount of Loctite
®
680 to evenly
coat the outer race of new Bearing (Item 29).
12. Carefully align the outer race of the new Bearing
(Item 29) with the bore of the Male Pilot (Item 27).
13. Supporting the Male Pilot (Item 27) and pressing on
the outer race of the new Bearing (Item 29), press
the new Bearing into the Male Pilot.
14. Reinstall Retaining Ring (Item 28).
15. Apply an adequate amount of Loctite
®
680 to evenly
coat the outer race of the new Bearing (Item 30).
16. While supporting the inner race of Bearing (Item
29) and pressing on the outer race of the Bearing
(Item 30), press the new Bearing and Stub Shaft
into the Male Pilot and Bearing.
17. Reinstall the second Retaining Ring (Item 32).
18. Coat the o-ring contact surfaces of the Cylinder
(Item 22), new O-ring Seals (Item 23 & 24), and the
Piston (located inside the Air Chamber) with a thin
film of o-ring lubricant and install the new O-ring
Seals.
19. Align the Slotted Spring Pin (Item 25) in the
Cylinder with the hole in the Piston.
20. Slide the Cylinder (Item 22) onto the FMCBE.
21. Apply a drop of Loctite
®
242 to the threads of the
Socket Head Cap Screws (Item 15).
22. Reinstall the four Socket Head Cap Screws (Item
15), securing the Cylinder (Item 22) to the FMCBE.
23. Tighten the four Socket Head Cap Screws (Item
15), to 16.7 Nm [12.3 ft-lb].
24. Apply a thin film of NEVER-SEEZ
®
to evenly coat
the splines of the Stub Shaft (Item 31).
25. Slide the Male Pilot and Stub Shaft into the
FMCBE.
26. Apply a drop of Loctite® 242 to the threads of the
Socket Head Cap Screws (Item 8).
27. Reinstall the four Socket Head Cap Screws (Item
8) securing the Male Pilot to the FMCBE.
28. Tighten the four Socket Head Cap Screws (Item 8)
to 33.2 Nm [24.5 in-lb] torque.
®
DIST. AUTORIZADO
MEX (55) 53 63 23 31
QRO (442) 1 95 72 60
MTY (81) 83 54 10 18
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