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 136 of 319

TM 9-2520-238-34

REPLACE TRANSFER GEARCASE A, B, OR C WITH SERVICE SPARE TRANSFER

GEARCASE E — Continued

0018 00

NOTE

If transfer gearcase B or C is being replaced, use retained screw.

12. Install machine key (1) on fan drive shaft (2). Install two-grooved pulley (3) on shaft with washer (4) and cap screw (5).

Tighten screw to 32-38 lb-ft (44-51 N•m) torque. Use torque wrench (WP 0033 00, Item 44).

15. Install all unused parts on unserviceable transfer gearcase.

16. Tag transfer gearcase as unserviceable. Identify gearcase by part number or national stock number and ship to repair

facility.

END OF TASK

0018 00-10

8

Take care to prevent damage to machined surfaces, gears, bearings, and other components

during maintenance activities.

N

O

WARNING

I

T

U

A

Lifting or moving objects in excess of 70 pounds could injure you. Make sure to get an assistant

or use a lifting device to move heavy objects.

C

13.

Install suitable hoist and sling through eyebolt (8).

14.

If testing is needed, perform run-in test, see page 0017 00-25, setps 1 through 5.