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 259 of 319

TM 9-2520-238-34

REPAIR DIFFERENTIAL RIGHT ANGLE GEARBOX — Continued

0028 00

41. Measure distance between face of bevel gear (1) and adapter plate (2) (dimension Y) at three places 120 degrees apart.

Take the average of these readings and record.

42. Note true mounting distance etched on face of gear (1) (dimension X) and add the dimension recorded above. Subtract

5.002 inches (12.7 cm) from the resulting value and record as the thickness of shim. Peel shim (3) to this thickness.

NOTE

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

heads).

43. Lubricate four cap screws (4) with engine oil.

0028 00-17