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 453 of 764

TM 9-2320-361-34

15-38.

BORING CASE MAINTENANCE (Contd)

16.

To increase backlash for rack drive gear (1), remove rack drive gear shim (2). To decrease backlash

for rack drive gear (1), add rack drive gear shim (2).

17. To increase backlash for rack feed idler gear (3), add lower rack carrier bearing shim (5) and rack

drive gear shim (2) and remove upper rack carrier bearing shim (4).

18. To decrease backlash for rack feed idler gear (3), remove lower rack carrier bearing shim (5) and

rack drive gear shim (2), and add upper rack carrier bearing shim (4).

19. Assemble

and install boring gear (subtasks e and f).

NOTE

If adjustment does not correct rack drive and feed gear backlash,

refer to para. 15-42 for backlash adjustment of feed and drive pinions.

20.

21.

22.

23.

24.

25.

Rotate boring case (10) to upright position.

Install new gasket (12) and inspection hole cover (13) on boring case (10) with eight new

lockwashers (14) and screws (15).

Remove circular level (8), nine screws (6), ten lockwashers (7), and boring case cover (9) from boring

case (10). Discard lockwashers (7).

Install six new safety wires (19) on three screws (17), nine screws (18), and two setscrews (16).

Install boring case cover (9) on boring case (10) with ten new lockwashers (7), nine screws (6), and

circular level (8).

Install drainplug (11) in boring case (10).

15-142