TM-9-2320-361-34
2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
MAY 1992
TM-9-2320-361-34 - Page 445 of 764
TM 9-2320-361-34
15-38. BORING CASE MAINTENANCE
(Contd)
c. Boring Gear Disassembly
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
Remove roller bearing (7) and shims (8) from rack carrier (6). Record thickness of shims (8) and
discard.
Remove cotter pin
(1)
and nut (2) from thrust roller shaft (9). Discard cotter pin (1).
Install two puller screws (44) in thrust bearing (3) and remove thrust bearing (3) from rack
carrier (6).
Remove two puller screws (44) from thrust bearing (3).
Remove thrust roller shaft (9), rack thrust roller (5), and roller bearing (4) from rack carrier (6).
Remove cotter pin (37) and nut (38) from rack feed gearshaft (20). Discard cotter pin (37).
Install two puller screws (36) in thrust bearing (35) and remove thrust bearing (35) from rack
carrier (6).
Remove two puller screws (36) from thrust bearing (35).
Remove safety wire
(34)
from screw
(33)
and setscrew (42), and loosen setscrew
(42) in
rack earner (6).
Discard safety wire (34).
Remove rack feed gearshaft (20), rack feed gear (41), and two bearings (43) from rack carrier (6).
Remove seal retainer (39) and seal (40) from rack feed gear (41). Discard seal retainer (39) and
seal (40).
Remove safety wire (18) and setscrew (17) from rack carrier (6). Discard safety wire (18).
Remove spur pinion shaft (19), spur pinion (10), inner bearing (11), outer bearing (12), thrust
washer (13), and retaining pin (14) from rack carrier (6).
Remove safety wire (15) and three screws (16) from rack carrier (6). Discard safety wire (15).
Remove nine screws (33), rack drive gear (22), and shims (21) from rack carrier (6). Record
thickness of shims (21). Discard shims (21) and safety wire (15).
Remove roller bearing (26) and shims (27) from rack carrier (6). Record thickness of shims (27) and
discard.
Remove spacer sleeve (28) from rack carrier (6).
Straighten tabs on lockwasher (30) and remove adjusting nut (29), lockwasher (30), and adjusting
nut (31) from rack carrier (6). Discard lockwasher (30).
Remove roller bearing (32), rack feed idler gear (25), roller bearing (24), and shims (23) from rack
carrier (6). Record thickness of shims (23) and discard.
15-134
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