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 629 of 1275

TM9-2350-311-20-1

7-7 RADIATOR AND SHROUD (M109A3) — CONTINUED

a. Removal — Continued

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Disconnect two electrical connectors (16) and ground lead (17).

Loosen clamp (18) and remove aeration detector-to-engine coolant main tube assembly hose (19).

Remove two screws (20), two lockwashers (21), two washers (22), and aeration detector bracket (23) with

detector (24). Discard Iockwashers.

Loosen clamp (25) and remove surge tank-to-pressure relief valve hose (26).

Remove eight screws (27), eight Iockwashers (28), and eight flat washers (29) from bracket (30). Discard

Iockwashers.

Remove three screws (31), three Iockwashers (32), three flat washers (33), and three clamps (34), releasing

radiator vent hoses (11). Discard Iockwashers.

Depress fan universals (35), lift shroud (15) up to permit removal of universals, then remove shroud with fans

(36) attached.

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