TM-9-2350-238-34-1

HULL AND RELATED COMPONENTS, RECOVERY VEHICLE, FULL TRACKED: LIGHT, ARMORED, M578

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

MARCH 1994

TM-9-2350-238-34-1 - Page 140 of 292

TM 9-2350-238-34-1

2-42. MAINTENANCE OF AUXILIARY DRIV E

REASSEMBLY (CONT )

24

Reinstall gear set shouldered shaft (13) ,

bearing carrier shim (18), and drive gear

bearing housing (17). Secure drive gear

bearing housing with three hexagon hea d

capscrews (21) tightened to ensur e

bearing housing seats completely i n

generator drive mechanical housing (2) .

25

Insert bearing gage between bevel gea r

set spiral gear (12) and bevel gear set

spiral pinion gear (23) teeth at large end

of teeth to check gear backlash. Rotat e

gear set shouldered shaft (13) through

one gear tooth and bearing gage.

Reverse rotation and remove bearin g

gage .

26

Measure thickness of flattened portion o f

bearing gage to determine backlash .

Backlash must be 0.002 to 0.003 in.

(0.005 to 0.008 cm).

27

If backlash is not correct, transfer shims

from one bearing housing to the other.

ASSEMBLY (GENERATOR DRIVE) (CONT) .

2-12 8