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

  TM-9-2350-311-20-1 - Page 619 of 1275

TM9-2350-311-20-1
7-6 RADIATOR AND SHROUD (M109A2/M109A4/M109A5) — CONTINUED
a. Removal — Continued
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Remove two screws (4), two Iockwashers (5), two flat washers (6), and two resilient mounts (7). Discard
Iockwashers.
Loosen two clamps (8) from radiator outlet tube (9) and disconnect radiator outlet tube from radiator (10).
Loosen two vent hose clamps (11) and remove two radiator vent hoses (12).
Loosen two inlet hose clamps (13) and disconnect radiator inlet tube (14) from radiator.
Radiator weighs 88 lb (39.9 kg). Two personnel are
installation.
Lift radiator (10) up and away from shroud (15).
Remove alternator (para 8-1).
required during removal and
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 nut (20), Iockwasher (21), screw (22), washer (23), and clamp (24). Discard Iockwasher.
Loosen fitting (25) and disconnect surge tank-to-pressure relief valve hose (26).
Remove two screws (27), two Iockwashers (28), two washers (29), and bracket (30) with aeration detector (31)
and relief valve (32) installed. Discard Iockwashers.
Remove eight screws (33), eight flat washers (34), and eight Iockwashers (35) from bracket (36). Discard
Iockwashers.
Remove three screws (37), three flat washers (38), three Iockwashers (39), and three clamps (40), releasing
radiator vent hoses (12).
Depress fan universals (41), lift shroud (15) up to permit removal of universals, then remove shroud with fans
(42) attached.
7-14
WARNIN G


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