Nexen FMCB-7-38 801613 - Manual (Page 21)

FORM NO. L-20179-H-1209 21
InPuT unIT continued
FMCB 7-28, 7-38, 8-38, anD 8-42
note
loosen the Set Screw (Item 35) one full turn to
release the Input unit Shaft from the FMCB. The
Set Screw (Item 35) is located in the FMCB Drive
Disc (See Figure 6).
refer to Figure 20.
1. Remove the Socket Head Cap Screws (Item 37) and
Lock Washers (Item 38); then, remove the Input Unit
from the FMCB.
2. Remove the Retaining Ring (Item 28) from the Flange
(Item 35).
3. Fully supporting the Flange (Item 35), press the Shaft
(Item 36) out of the Input Unit.
note
Bearing (Item 29) will come out of the Flange (Item
35) with the Shaft (Item 36).
4. Remove the Retaining Ring (Item 32) from the Shaft
(Item 36).
5. Press the old Bearing (Item 29) off the Shaft (Item
36).
note
Do not reuse the Bearing (Item 29). applying force
to the inner bearing race to remove a bearing held by
the outer race causes damage to the bearing.
6. Clean the bearing bore of the Flange (Item 35) with
fresh safety solvent, making sure all old Loctite ®
residue is removed.
7. Apply an adequate amount of Loctite ® 680 to evenly
coat the outer race of the new Bearing (Item 29).
8. Carefully align the outer race of the new Bearing
(Item 29) with the bore of the Flange (Item 35) and
press the new Bearing into place.
9. Reinstall the Retaining Ring (Item 28).
10. Fully supporting the inner race of the Bearing
(Item 29), press the Shaft (Item 36) into the Bearing
until the Retaining Ring (Item 32) is seated against
the Bearing.
11. Reinstall the second Retaining Ring (Item 32).
Figure 20
35
37
38
36
29
28
32
33
CAUTION
Working with spring loaded or tension
loaded fasteners and devices can cause
injury. Wear safety glasses and take the
appropriate safety precautions.