TM-9-2520-238-34

M113A1 FOV, M113A2 FOV, M548 AND M548A1

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL; RIGHT ANGLE DRIVE, COOLING FAN; GEARCASE, TRANSFER; DRIVE ASSEMBLY, FINAL; DIFFERENTIAL, STEERING CONTROL; BRAKE, SINGLE DISK; CYLINDER ASSEMBLY, HYDRAULIC BRAKE

TM-9-2520-238-34 - Page 258 of 319

TM 9-2520-238-34

REPAIR DIFFERENTIAL RIGHT ANGLE GEARBOX — Continued

0028 00

NOTE

If output bevel gear was removed in page 0029 00-2, do Steps 37 - 39.

Check that eight cap screws being installed are grade 8 screws (six radial marks on screw

heads).

37. Clean threads of eight cap screws (10) and lubricate threads with engine oil.

38. Position bevel gear (11) to hub (3) and secure with eight washers (12) and cap screws (10). Tighten screws to 95-100

lb-ft (129-137 N•m) torque. Use torque wrench (WP 0033 00, Item 43).

39. Install new lockwire (13) between adjacent screws (four places).

40. Lubricate new packing (14) with grease or petrolatum. Install new gasket (15) and packing on plate (2).

0028 00-16