REPLACE ENGINE COOLANT HEATER

REPLACE BATTERY BOX HEAT EXCHANGER/HOSES/FITTINGS Continued - TM-9-2350-247-20-3_452

REPLACE ENGINE COOLANT HEATER Continued - TM-9-2350-247-20-3_454

TM-9-2350-247-20-3 Carrier Cargo Tracked 6 Ton M548A12350010969356 (EIC: AEU) M548A3 2350013696081 (EIC: AE9) Manual
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TM 9-2350-247-20-3 REPLACE ENGINE COOLANT HEATER 0477 00 THIS WORK PACKAGE COVERS: Removal (page 0477 00-1). Installation (page 0477 00-3). INITIAL SETUP: Maintenance Level Unit Tools and Special Tools General Mechanic’s Tool Kit (WP 0541 00, Item 57) Materials/Parts Lock washer Personnel Required Unit Mechanic References See your -10 Equipment Condition Engine stopped (see your -10) Carrier blocked (see your -10) Battery negative lead(s) disconnected (WP 0292 00) Top left access grille removed (see your -10 or WP 0390 00) REMOVAL NOTE Removal procedures for M548A1 and M548A3 engine coolant heater are similar. M548A3 coolant heater does not have a cover. M548A1 coolant heater is shown. For M548A1, do Step 2. 1. Turn off coolant valve (1) and coolant valve (2). 2. Remove two screws (3) and washers (4) that secure heater cover plate (5) to mounting bracket (6). Remove plate. 3. Disconnect engine inlet and plate outlet coolant hoses from engine coolant heater (WP 0476 00). 0477 00-1

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