TM-9-2350-311-20-1

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS

AUGUST 1994

TM-9-2350-311-20-1 - Page 1027 of 1275

TM9-2350-311 -20-1

11-14 TRAVEL LOCK — CONTINUED

b. Disassembly — Continued

6

7

8

9

10

11

12

13

Remove Iockpin (13) and wire rope assembly (40). Discard wire rope assembly.

WARNING

Support arm is heavy. At least two personnel are required to support arm during

removal to avoid serious injury.

NOTE

If removal procedure followed was without removal of mounting bracket, items 15, 16,

18, 20,21, and 22 should already be disassembled.

Record number of spacer washers (18) and remove two cotter pins (15 and 22), two flat washers (16 and 21 ),

pin (20), and spacer washers. Discard cotter pins.

Remove support arm (8).

Mounting bracket is heavy. Two personnel are required to support bracket during

removal to avoid serious injury.

NOTE

Perform steps 9 and 10 if travel lock was removed without mounting bracket.

Remove seven self-locking nuts (25) and seven flat washers (26) from inside engine compartment. Discard

self-locking nuts.

Remove seven screws (24) and mounting bracket (12).

NOTE

Perform step 11 if travel lock was removed with mounting bracket.

Remove four screws (9), four Iockwashers (10), two torsion bar retainers (11), and two torsion springs (14).

Discard Iockwashers.

Remove nut (41), screw (42), and flat washer (43).

Remove two screws (44), two Iockwashers (45), strap (46), and bumper (47). Discard Iockwashers.

c. Assembiy

1

Apply primer to all contact surfaces.

11-48

WARNING