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 1098 of 1275

TM 9-2350-311-20-1

14-3 BATTERY HEATER AND INSULATION BOXES

This task covers:

a. Removal

b. Installation

General mechanic’s tool kti (item 64, Appx H)

Materials/Parts

Lockwasher (item 77, Appx G)

Lockwashers (8) (item 96, Appx G)

Lockwire (item 227, Appx G)

TM 9-2350-311-10

. .

Equipment Conditions

Battery access doors opened (para 11 -6)

a. Removal

1

2

3

4

Coolant is a hazardous waste and must be disposed of in accordance with local

procedures or direction of the local Hazardous Waste Management office.

NOTE

If plugs are not used, coolant must be drained (TM 9-2350-311-1 O).

Disconnect battery heater inlet hose (1) and battery heater outlet hose (2). Install 5/8-in. - (16-mm-) diameter

plugs in hoses.

Remove wing nut (3), flat washer (4), and front top insulation blanket (5).

Remove screw (6), Iockwasher (7), and battery ground lead (8) at bulkhead. Discard Iockwasher.

Remove rear top insulation blanket (9).

14-5

Tool s

WARNING