TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
Page 575 of 1275
TM9-2350-311-20-1 6-8 ENGINE-DRIVEN FUEL PUMP This task covers: a. Shaft Check b. Removal c. Installation Tools ,. Equipment Condition General mechanic’s tool kit (item 64, Appx H) Air intake grille opened and secured (para 11 -8) Exhaust crossover tube removed (para 6-15) Materialsls/Parts Exhaust grille removed (para 4-5) Gasket (item 182, Appx G) Radiator fan access door removed (para 4-5) Front slope plate removed (para 4-5) a. Shaft Check Do not smoke or use open flame when working on fuel system. An explosion may occur, causing severe injury or death. Check for broken shaft by removing top pump body drain plug (1). Insert small wire (approximate length and size of a straightened paper clip) in pump body hole (2). Rotate shaft by cranking engine momentarily. If vibration is felt, shaft is good. if no vibration is felt, replace pump. 6-20 WARNING