TM-9-2350-274-BD M109 Battlefield Damage Assessment and Repair Download
Page 80 of 219
TM 9-2350-274-BD 4-8. FUEL PUMP INTERCHANGEABILITY General Information: ❚ The fuel pumps used on the M109/M110/M578 are used on other similar vehicles and can be cannibalized from U.S. and foreign owned equipment. Stock numbers and part numbers may differ but these items will interchange within the following vehicles: M107, M108, M110, M578, M975 and Pershing. 1. Engine Driven Rotary Fuel Pump 2. Fuel Tank Discharge Electric Fuel Pumps 3. Air Purge Electric Fuel Pump (M109A3) 4. Personnel Heater Electric Fuel Pump 5. Air Box Heater Rotary Fuel Pump 6. Engine Coolant Heater Electric Fuel Pump (Winterization Kit) 4-9. FUEL PUMP (IN-TANK) INOPERATIVE General Information: Engine will not start, caused by no fuel to injector pump. Installing a substitute fuel pump will correct the problem. The in-tank fuel pumps are generally interchangeable between combat vehicles. The difference is in the bracketry used to mount the pump in the fuel tanks. The electrical pump unit can be removed and used on the brackets to fit the M109/M110/M578 vehicle. Limitations: ● None Personnel/Time Required: ● 2 soldiers ● 3 hours Change 1 4-8.1 (4-8.2 blank)