Nexen MWCB 830812 - Manual (Page 11)

11
FORM NO. L-20016-X-1209
DISASSEMBLy—PILOT, COUPLING, AND SHEAVE MOUNT
NOTE
The following sections are arranged by model. Verify that you are in the correct section for your model.
FWCB
Refer to Figures 5 - 8.
1. Loosen the Set Screw (Item 47) and remove the Hub Collar
(Item 46) from the Clutch-Brake.
2. Remove the Retaining Ring (Item 37) from the Clutch-
Brake.
3. Press the Drive Disc Assembly or the Sheave Assembly off
the Hub (Item 1).
4. Slide the Compression Spring (Item 11) off the Hub (Item
1).
5. Slide the Clutch Assembly off the Hub (Item 1).
6. Remove the old O-Ring Seals (Items 19 and 21).
7. Remove the Key (Item 35).
8. Remove the Retaining Ring (Item 37).
9. Loosen the Set Screw (Item 29) and remove the Locking
Nut (Item 26) and slide the Brake Friction Disc (Item 2) off
the Hub (Item 1).
10. Press the Brake Assembly off the Hub (Item 1).
FIGURE 8
47
46
37
FIGURE 5
FIGURE 6
Sheave
Assembly
Drive Disc
Assembly
11
Hub
(Item 1)
FIGURE 7
Clutch
Assembly
19
21
35
Brake
Assembly
Brake
Assembly
37
1
2
26 29
CAUTION
Working with spring loaded or tension
loaded fasteners and devices can cause
injury. Wear safety glasses and take the
appropriate safety precautions.