TM-9-2350-358-BD M109A6 Battlefield Damage Assessment and Repair Download

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TM 9-2350-358-BD 6-7. THERMOSTAT STUCK - CONTINUED Personnel/Time Required: 1 soldier 1.0 hour Materials/TooIs: 14.5 gallons of liquid References: TM 9-2350-314-10 TM 9-2350-314-20-1-1 Procedural Steps: 1. Remove and dispose of thermostat. 2. Reconnect thermostat housing. 3. Refill cooling system with liquid. 4. Check for leaks. 5. Record the BDAR action taken. When mission is complete, as soon as practical, repair the equipment/system using standard maintenance procedures. 6-8. ENGINE COOLANT FROZEN General Information: During cold weather, inadequate antifreeze protection will cause the coolant to freeze. Care must be taken when thawing the cooling system that further damage is avoided. The water pump may be unable to turn which will damage engine as well as the pump itself. The thawing procedure must include frequent inspections for leaks which will indicate cracked or broken components. Engine temperature must also be monitored to prevent overheating damage. Limitations; None if engine is left running or antifreeze protection is upgraded. Personnel/Time Required: 2 soldiers 0.5-1.0 hour References: TM 9-2350-314-10 6-7