Nexen BCB-275 826001 - Manual (Page 9)

6 FORM NO. L-20106-E-1209
PARTS REPLACEMENT
REFER TO FIGURES 4-9.
1. Remove the Retaining Ring (Item 10) and press the
Air Chamber Assembly off the Hub (Item 1).
2. Loosen the Set Screws (Item 17) and slide the Hub
Collar (Item 6) off the Hub (Item 1); then, remove the
Retaining Ring (Item 10).
3. Press the Pilot Mount Drive Disc (Item 7) or Sheave
(Item 18) off the Hub (Item 1).
4. Press the old Ball Bearing (Item 8) out of the Pilot
Mount Drive Disc (Item 7) or Sheave (Item 18).
5. Clean the bearing bore of the Pilot Mount Drive
Disc (Item 7) or Sheave (Item 18) with fresh safety
solvent, making sure all old Loctite
® residue is
removed.
6. Apply an adequate amount of Loctite ® 680 to evenly
coat the outer race of the new Ball Bearing (Item 8).
7. Supporting the Pilot Mount Drive Disc (Item 7) or
the Sheave (Item 18) and pressing on the outer race
of the new Ball Bearing (Item 8), press the new Ball
Bearing into the Pilot Mount Drive Disc or Sheave.
8. Press the new Ball Bearing (Item 8) and Pilot Mount
Drive Disc (Item 7) or Sheave (Item 18) onto the Hub
(Item 1); then, reinstall the Retaining Ring (Item 10).
9. Remove the four Socket Head Cap Screws (Item
16); then, slide the Friction Facing/Drive Disc
Assembly (Item 5), Cylinder (Item 4), and Piston
(Item 2) out of the Air Chamber Housing (Item 3).
10. Remove the Retaining Ring (Item 11) and press the
Friction Facing/Drive Disc Assembly (Item 5) out of
the Cylinder (Item 4) and Piston (Item 2).
11. Slide the Piston (Item 2) out of the Cylinder (Item 4);
then, remove the old O-ring Seals (Items 14 and 15
from the Piston and Cylinder.
12. Remove the Retaining Ring (Item 13) from the Piston
(Item 2); then, press the old Ball Bearing (Item 9) out
of the Piston.
10
Air Chamber
Assembly
1
17
6
10
8
7
18
16
Friction Facing/Drive Disc
Assembly
(Item 5)
Cylinder (Item 4)
Piston
(Item 2)
Air Chamber
Housing
(Item 3)
5
4
15
14
13
11
FIGURE 4
FIGURE 5
2
15
14
9
FIGURE 6
CAUTION
Working with spring loaded or tension
loaded fasteners and devices can cause
injury. Wear safety glasses and take the
appropriate safety precautions.
FIGURE 7
3
8
12