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 1024 of 1275

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TM9-2350-311-20-1

Remove four screws (5), four Iockwashers (6), and two torsion spring retaining bars (7) on both sides of

support arm (8). Discard Iockwashers.

Remove four screws (9), four Iockwashers (10), and two plates (11) on both sides of mounting bracket (1 2),

Discard Iockwashers.

Pull pin (13).

WARNING

Travel lock is heavy. Be careful when raising or lowering travel lock and during

removal of counterbalance springs to avoid serious injury.

Move support arm (8) forward to unload springs (14).

Remove cotter pin (15) and washer (16) at right mounting lug (17). Discard cotter pin.

Record number of spacer washers. (18) between each end of support arm (8) and left and right mounting

(17 and 19).

lugs

11-45