11
FORM NO. L-20191-F-1202
PARTS REPLACEMENT - PISTON BEARING AND O-RING SEALS
NOTE: The following sections are arranged by model.
Verify that you are in the correct section for your model.
FMCBE 110-14, 130-19 AND 130-24
NOTE: Refer to Figure 11 for steps 1-3.
1.
Remove the four Socket Head Cap Screws (Item
14) and separate the Air Chamber (Item 13) from
the Housing (Item 7).
2.
Remove the four Socket Head Cap Screws (Item
14) securing the Male Pilot (Item 21) to the Air
Chamber (Item 13).
3.
Remove the Male Pilot (Item 21) and Stub Shaft
(Item 24) from the Air Chamber (Item 13).
Use caution and
always wear safety
goggles when working
with spring or tension
loaded fasteners or
devices such as
retaining ring.
WARNING
NOTE: Refer to Figure 12 for steps 4-20.
4.
Remove the Retaining Ring (Item 6) from the
Splined Disc (Item 9).
5.
Press the Splined Disc (Item 9) from the Bearing
(Item 2).
6.
Remove the Piston (Item 16) from the Air Chamber
(Item 13).
7.
Remove the Retaining Ring (Item 3) from the Piston.
8.
Remove the O-ring Seals (Items 15 and 17) from
the Piston (Item 16) and Air Chamber (Item 2).
9.
Press the Bearing (Item 2) out of the Piston (Item 16).
10. Clean the bearing bore of the Piston with fresh
safety solvent, making sure all old Loctite
®
residue
is removed.
11. Apply an adequate amount of Loctite
®
680 to evenly
coat the outer race of the new Bearing (Item 13).
12. Carefully align the outer race of the new Bearing
(Item 2) with the bore of the Piston (Item 16).
13. Supporting the Piston (Item 16) and pressing on the
outer race of the new Bearing (Item 2), press the
new Bearing into the Piston (See Figure 12).
14. Reinstall the Retaining Ring (Item 3), securing the
Bearing to the Piston (See Figure 12).
15. Coat the o-ring contact surfaces of the Air Cham-
ber, Piston, and the O-ring seals with a thin film of
o-ring lubricant and install the new O-ring Seals
(Items 15 and 17).
Figure 11
Figure 11
Figure 11
Figure 11
Figure 11
7
13
14
24
21
14
Figure 12
Figure 12
Figure 12
Figure 12
Figure 12
9
13
15
6
2
16
17
3
16. Slide the Piston (Item 16) into the Air Chamber
(Item 13).
17. Support the inner race of the Bearing (Item 2) and
press the Splined Disc (Item 9) into the Bearing and
Piston.
18. Reinstall the Retaining Ring (Item 6) that secures
the Splined Disc to the Bearing.
19. Apply a drop of Loctite
®
242 to the threads of the
Socket Head Cap Screws (Item 14).
20. Reinstall and tighten the four Socket Head Cap
Screws (Item 14), securing the Air chamber to the
Housing to 14.2 Nm [10.5 in-lb] for FMCBE 110-
14 and 33.2 Nm [24.5 ft-lb] for FMCBE 130-19
and 130-24.
®
DIST. AUTORIZADO
MEX (55) 53 63 23 31
QRO (442) 1 95 72 60
MTY (81) 83 54 10 18
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