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 930 of 1275

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TM 9-2350-311 -20-1

Stop vehicle when track-connecting fixture can be connected to track link pins (8) on both ends of track (1).

Apply parking brakes.

Install two track-connecting fixtures over track link pins (8).

Tighten two track-connecting fixtures until track link pins (8) are close enough for track-connecting fixtures to

be installed on nearest end connectors (9).

Reinstall fixture on nearest end connector (9) and track link pins (8).

Tighten until end connectors can be installed on track link pins (8).

Install two end connectors (10) and tap lightly with hammer to secure connectors.

Remove two track-connecting fixtures.

Drive forward until two end connectors (10) are on idler wheel (6) at point (11). Point (11) on idler wheel

positions adjacent track shoes at approximately a 12° angle between inner faces of track shoes.

CAUTIO N

Do not tighten wedge bolts when track shoes form a straight line.

Install two new bolts (12) and two new retaining wedges (13) in end connectors (10). Torque bolts to

approximately 90-100 Ib-ft (122–136 N·m). Torque bolts again after 50 miles (80 km) of operation.

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