TM-9-2350-275-BD Battlefield Damage Assessment and Repair for M113 Family Download
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5-4 TM 9-2350-275-BD COOLING SYSTEM Procedural Steps (Cont): 4. Record the BDAR action taken. When the mission is completed, as soon as practicable, repair the vehicle using standard maintenance procedures. 5-6. COOLANT FROZEN General Information The radiator may freeze-up if no antifreeze is available. in freezing weather without antifreeze. remove fan belts When vehicle must be driven until the system gets hot, and cover radiator to reduce air flow to maintain operating temperature. Coolant must be drained or keep the engine operating to prevent the coolant from refreezing. Limitations ● None Personnel/Time Required: ● 1 soldier ● 10-15 minutes Other Options: ● Use personnel heater. ● Use other vehicle’s exhaust heat to melt frozen ice. ● Use alcohol if other antifreeze is not available. Procedural Steps: 1. Gain access to engine compartment. 2. Disconnect fan tower belts. 3. Start engine and check water pump belt. a. If pump is turning, go to step 6. b. If pump is not turning stop engine. c. Remove waterpump belt and restart engine. 4. Let engine run for 3 to 5 minutes. 5. Stop engine and re-install water pump belt, if required. 6. Check radiator for ice. 7. Continue steps 3 through 6 until coolant is liquid.