TM-9-2320-361-20

2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)

TECHNICAL MANUAL; UNIT MAINTENANCE

OCTOBER 1991

TM-9-2320-361-20 - Page 937 of 1207

TM 9-2320-361-20

12-92. EARTH BORING MACHINE SEAT FRAME REPLACEMENT

This task

covers:

a. Removal

b. Installation

INITIAL SETUP:

APPLICABLE MODELS

REFERENCES

(TM]

M764

TM 9-2320-361-10

MATERIALS/PARTS

TM 9-2320-361-20P

Cotter pin

EQUIPMENT CONDITION

Four locknuts

●

Parking brake set (TM 9-2320-361-10).

●

Earth boring machine seat and seat backrest

cushion removed (para. 12-93).

1. Remove cotter pin (11), washer (12), spring ( 10), pin (2), and seat adjustment handle (3) from seat

frame (1), Discard cotter pin (11).

2, Remove four locknuts (4) and washers (5) from seat frame (1). Discard locknuts (4).

3. Remove seat frame (1) and four washers (13) from seat base (6).

4. Remove safety pin (7), pin (9), and seat base (6) from boring machine (8).

1.

Install seat base (6) on boring machine (8) with pin (9) and safety pin (7).

NOTE

Seat frame must slide freely after installation.

2. Install four washers (13) and seat frame (1) on seat base (6) with four washers (5) and new

locknuts (4).

3. Install seat adjustment handle (3) on seat frame (1) with pin (2), spring (10), washer (12), and new

FOLLOW-ON TASK: Install earth boring machine seat and seat backrest cushion (para. 12-93).

12-154