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 919 of 1275

TM 9-2350-311-20-1

SECTION I. TRACKS

10-1 SUSPENSION IDENTIFICATION (ID)

Removal and installation procedures are shown for:

Track pads (para 10-2, T-136 track; para 10-4, T-154 track)

Track shoes (para 10-4, T-136 track; para 10-6, T-154 track)

Road wheels (para 10-10)

Road wheel arms (para 10-12)

Torsion bars (para 10-13)

Torsion bar anchors (para 10-14)

Track adjusters and mounting brackets (para 10-15)

Idler wheels and hubs (para 10-16)

Idler arm assemblies (para 10-17)

Idler arm housings (para 10-18)

Shock absorbers and mounts (para 10-19)

Shock absorber bearings (para 10-20)

Final drive sprockets and hubs (para 10-21)

Final drive assemblies (para 10-22)

Universal joints (para 10-23)

Disassembly and assembly procedures are given for road wheel hubs (para 10-11) and idler arm assemblies (para 10-

17).

This chapter also illustrates and

installation of thrown tracks (para

10-7, T-154 track).

describes disconnecting tracks (para 10-4, T-136 track; para 10-5, T-154 track),

10-6, T-136; para 10-7, T-154), and track replacement (para 10-6, T-136 track; para

Checking and adjusting of track tension are described in paragraph 10-8.

Notify support maintenance for disassembly and assembly of road wheel arm upper spindle and housing groups.

Vehicle suspension system is illustrated. Numbers 1 thru 7 refer to road wheel removal procedures in paragraph 10-10.

10-2