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Figure 5. Scavenge Pump.
Figure 7. Bearing Housing Shaft.

Field Maintenance Manual For Military 621G Scraper -4 Page Navigation
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TM 5-3805-296-23-4
0282
REMOVAL CONTINUED
NOTE
Forcing bolts called out in step 17 are OS1573, 1/2 x 4 bolts.
Note position and orientation of fittings.
14. Loosen jam nut (Figure 6, Item 5) and remove elbow fitting (Figure 6, Item 6) and O-ring (Figure 6, Item 7) from
bearing housing cover (Figure 6, Item 2). Discard O-ring.
15. Remove fitting (Figure 6, Item 9) and O-ring (Figure 6, Item 10) from bearing housing (Figure 6, Item 1).
Discard O-ring.
16. Remove nine bolts (Figure 6, Item 3) and washers (Figure 6, Item 4) from bearing housing cover
(Figure 6, Item 2).
17. Loosely install two forcing bolts (Figure 6, Item 3) in threaded holes (Figure 6, Item 8) on bearing housing cover
(Figure 6, Item 2).
18. Evenly tighten two forcing bolts (Figure 6, Item 3) and remove bearing housing cover (Figure 6, Item 2) and
O-ring (Figure 6, Item 11) from bearing housing (Figure 6, Item 1). Discard O-ring.
19. Remove two forcing bolts (Figure 6, Item 3) from bearing housing cover (Figure 6, Item 2).
Figure 6. Bearing Housing Cover.
0282
0282-6


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