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Figure 15. Upper and Rear Roller Tracks.
Figure 17. Bottom Roller Adjustment.

Field Maintenance Manual For Military 621G Scraper -6 Page Navigation
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TM 5-3805-296-23-6
0422
INSTALLATION CONTINUED
NOTE
Upper rollers are adjusted at position recorded in step 2 of installation.
18. Turn adjusting bolt (Figure 16, Item 8) to adjust left upper roller (Figure 16, Item 1) 1/8 in (3.18 mm) away from
track (Figure 16, Item 10).
19. Tighten nut (Figure 16, Item 9) and bolt (Figure 16, Item 2) at left upper roller (Figure 16, Item 1) to 280 lb-ft
(380 Nm).
20. Repeat steps 18 and 19 for right upper roller.
21. Turn adjusting bolt (Figure 16, Item 6) to adjust left rear roller (Figure 16, Item 4) 1/8 in. (3.18 mm) away from
track (Figure 16, Item 3).
22. Tighten nut (Figure 16, Item 7) and bolt (Figure 16, Item 5) at left rear roller (Figure 16, Item 4) to 280 lb-ft
(380 Nm).
23. Repeat steps 21 and 22 for right rear roller.
Figure 16. Upper and Rear Roller Adjustment.
0422
0422-15


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