12
FORM NO. L-21070-E-0614
REPLACEMENT PROCEDURE–MALE PILOT BEARINGS
Refer to Figure 10.
1. Remove the Retaining Ring (Item 32) from the Stub Shaft
(Item 31).
2. Press the Stub Shaft (Item 31) out of the Male Pilot
(Item 27).
3. Remove the Retaining Ring (Item 28) from the Male Pilot
(Item 27) and press the old Bearings (Item 29) out of the
Male Pilot (Item 27).
4. Clean the bearing bore of the Male Pilot (Item 27) with fresh
safety solvent, making sure all old Loctite
®
residue is removed.
5. Apply an adequate amount of Loctite
®
680 to evenly coat
the outer race of new Bearings (Item 29).
6. Carefully align the outer race of the new Bearings (Item 29)
with the bore of the Male Pilot (Item 27).
7. Press the new Bearings (Item 29) into the Male Pilot (Item
27).
8. Reinstall the Retaining Rings (Item 28 and 32).
9. Apply a thin film of NEVER-SEEZ
®
to evenly coat the spline
of the Stub Shaft (Item 31).
10. Slide the Male Pilot (Item 27) and the Stub Shaft (Item 31)
into the Air Chamber (Item 14), aligning the Spring Pin (Item
25) in the Male Pilot (Item 27) with a hole in the Piston (Item
17). (See Figures 8 & 9)
11. Apply a drop of Loctite
®
242 to the threads of the Socket
Head Cap Screws (Item 8).
12. Reinstall the four Socket Head Cap Screws (Item 8) securing
the Male Pilot (Item 27) to the Air Chamber (Item 14).
13. Tighten the four Socket Head Cap Screws to 509 in-lbs (57.5
N-m).
FMCB 1625
FIGURE 10
14
29
32
27
31
29
24
28
15
CAUTION
Working with spring loaded or tension
loaded fasteners and devices can cause
injury. Wear safety glasses and take the
appropriate safety precautions.
