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 134 of 319

TM 9-2520-238-34

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

GEARCASE E — Continued

0018 00

5.

Install new retaining ring (1) and new machine key (2) on oil pump shaft (3).

6.

Apply antiseize compound to clean threads of two cap screws (4) at installation. Place new gasket (5) on gearcase

housing (6). Install oil pump (7) in housing with two new key washers (8) and cap screws. Tighten screws to 35-40 lb-ft

(48-54 N•m) torque. Use torque wrench (WP 0033 00, Item 44). Bend tabs on key washers.

7.

Secure oil pump (7) to secondary pump-drive gear with two (maximum) washers (10), slotted nut (11), and new

cotter pin (12).

8.

Lubricate new packing (13) with grease. Install packing on bracket (14) with ramp hydraulic pump (15) or liquid sight

indicator (16) attached.

0018 00-8

This is an internal gear and is not

removed here.

This is only shown

as a reference for the pump installation.

NOTE