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 TM 55-1905-223-24-16
(3)
Attach bearing caps (1) to bearings (2) and shaft (4).
(4)
Prepare bearing assembly for installation.
REPLACEMENT
a. Wheel Sprocket (60A48). (FIGURE 4-20)
(1)
Position wheel sprocket (3) on spool flange (4) with boltholes aligned.
(2)
Install four machine bolts (1) and lockwashers (2) to secure wheel sprocket (3) to spool flange (4).
b. Bearing Retainer/Oil Seal. (FIGURE 4-17)
(1)
Install oil seal (12) on winch shaft (16).
(2)
Install bearing retainer (13) on winch shaft.
(3)
Engage bearing retainer (13) over oil seal (12).
(4)
Maintain adequate clearance between low speed gear assembly and bearing retainer (2, 6, FIGURE 4-19) to
facilitate installation procedure.
(5)
Remove tape from keyway on winch shaft.
c.
Low Speed Gear Assembly. (FIGURE 4-19)
(1)
Attach lifting device and sling (1) to lifting points on low speed gear assembly (2).
(2)
Position low speed gear assembly (2) in alignment with spool (3).
(3)
Install machine key (4) on winch shaft (5).
(4)
Engage low speed gear assembly with spool.
(5)
Remove lifting device and sling.
d. Spacer Pillow Block End. (FIGURE 4-18)
(1)
Attach lifting device and sling (1) to lifting points on spool (2).
(2)
Lower spool vertically while exercising care as low speed gear assembly (7) is engaged with lower gear box
housing (8).
(3)
Install pillow block (3) on spool shaft (4).
(4)
Position pillow block over boltholes.
(5)
Lower spool weight onto pillow block and lower gear box.
4-47
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