Nexen MBU-875 930200 - Manual (Page 15)

15 FORM NO. L-20134-J-1211
1. Remove the Retaining Ring (Item 38).
2. Fully supporting the Housing (Item 3), press the Disc Journal
(Item 8) out of the Housing.
3. Using a bearing puller, remove the old Ball Bearing (Item
28) from the Housing (Item 3).
4. Remove the Spacer (Item 12) and Retaining Ring (Item 39)
from the Housing (Item 3).
5. Press the old Ball Bearing (Item 29) out of the Housing (Item
3).
6. Remove the six old Flat Head Screws (Item 25) securing
the old Friction Facing (Item 9) to the Disc Journal (Item 8)
and remove the old Friction Facing.
7. Using six new Flat Head Screws (Item 25), secure a new
Friction Facing (Item 9) to the Disc Journal (Item 8).
8. Tighten the six Flat Head Screws to 22 in-lb [2.50 Nm]
torque.
9. Clean the Bearing Bore of the Housing (Item 3) with fresh
solvent, making sure all old Loctite ® residue is removed.
10. Apply an adequate amount of Loctite ® 680 to evenly coat
the outer race of the new Ball Bearing (Item 29) and press
the new Ball Bearing into the Housing (Item 3).
11. Reinstall the Spacer (Item 12) and the Retaining Ring (Item
39).
12. Apply an adequate amount of Loctite ® 680 to evenly coat
the outer race of the new Ball Bearing (Item 28) and press
the new Ball Bearing into the Housing (Item 3).
13. Support the inner race of the new Ball Bearing (Item 28)
and press the Disc Journal (Item 8) into the Ball Bearings
(Items 28 and 29) and Housing (Item 3).
14. Reinstall the Retaining Ring (Item 38).
Refer to Figure 14.
MODULAR OUTPUT UNIT (MOU)
Models 625 and 875
FIGURE 14
9 3 39 28
38 12 29 8 25
PARTS REPLACEMENT
(continued...)
CAUTION
Special attention should be exercised
when working with retaining rings. Always
wear safety goggles when working with
spring or tension loaded fasteners or
devices.