11
FORM NO. L-20016-U-0305
NOTE
If the Ball Bearing (Item 14) comes out of the Air Chamber
(Item 8), use a bearing puller to remove it from the Clutch
Friction Disc (Item 9). If the Ball Bearing remains in the Air
Chamber (Item 8), use a die remover to remove it from the
Air Chamber.
11. Clean the bearing bore of the Air Chamber (Item 8) with fresh
safety solvent, making sure all old Loctite
®
residue is removed
(See Figure 23).
12. Apply an adequate amount of Loctite
®
680 to evenly coat the
outer race of the new Ball Bearing (Item 14) (See Figure 23).
13. Carefully align the O.D. of the new Ball Bearing (Item 14) with
the bore of the Air Chamber (Item 8) and press the new Ball
Bearing into place (See Figure 23).
14. Carefully align the hub of the Clutch Friction Disc (Item 9) with
the bore of the new Ball Bearing (Item 14) and press the
Clutch Friction Disc into the new Ball Bearing and Air
Chamber (Item 8) (See Figure 23).
15. Remove the old Flat Head Machine Screws (Item 24) and
Friction Facing (Item 4) from the Piston (Item 3) (See Figure
24).
16. Remove the Shoulder Bolts (Item 5), Shoulder Bolt O-rings
(Item 22), and Compression Springs (Item 6) (See Figure
24).
17. Separate the Piston Air Chamber (Item 7) and Piston (Item
3) (See Figure 24).
18. Remove the old O-ring Seals (Items 18 and 20) from the
Piston Air Chamber (Item 7) and Piston (Item 3) (See Figure
24).
19. Remove the Retaining Ring (Item 17) (See Figure 24).
20. Press the old Ball Bearing (Item 13) out of the Piston Air
Chamber (Item 7) (See Figure 24).
21. Clean the bearing bore of the Piston Air Chamber (Item 7)
with fresh safety solvent, making sure all old Loctite
®
residue
is removed (See Figure 24).
22. Apply an adequate amount of Loctite
®
680 to evenly coat the
outer race of the new Ball Bearing (Item 13) (See Figure 24).
23. Carefully align the O.D. of the new Ball Bearing (Item 13) with
the bore of the Piston Air Chamber and press the new Ball
Bearing into place.
24. Reinstall the Retaining Ring (Item 17) (See Figure 24).
25. Clean all o-ring grooves and o-ring contact surfaces with
fresh safety solvent and lubricate the o-ring grooves and
contact surfaces with fresh o-ring lubricant.
26. Lubricate the new O-ring Seals (Items 18, 20, and 22) with
fresh o-ring lubricant and install the new O-ring Seals (See
Figure 24).
27. Press the Piston (Item 3) into the Piston Air Chamber (Item
7) (See Figure 24).
28. Apply Loctite
®
242 to the threads of the Shoulder Bolts
(Item 5); then, install the new Compression Springs (Item 6)
and Shoulder Bolts (Item 5) with new O-ring Seals (Item 22)
(See Figure 24).
29. Tighten the Shoulder Bolts (Item 5) to 43 In. Lbs. [4.8 N•m]
torque (See Figure 24).
30. Install the new Friction Facing (Item 4) and tighten the new
Flat Head Machine Screws (Item 24) to 26 In. Lbs. [2.9 N•m]
torque (See Figure 24).
FIGURE 24
7
13
17
18
20
3
6
5
22
4
24
HWCB
WARNING
Special attention should be exercised when working with
retaining rings. Always wear safety goggles when working
with spring or tension loaded fasteners or devices.
1.
Remove the Retaining Ring (Item 41) from the Sheave (Item 12)
or Pilot Drive Disc (Item 33) (See Figure 25 or 26).
2.
Press the old Ball Bearings (Item 15) out of the Sheave (Item
12) or the Pilot Drive Disc (Item 33) (See Figure 25 or 26).
41
15
12
10
24
FIGURE 25
SHEAVE MOUNT
®
DIST. AUTORIZADO
MEX (55) 53 63 23 31
QRO (442) 1 95 72 60
MTY (81) 83 54 10 18
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