TM 9-2815-225-34&P 3-19.  OIL PUMP REMOVAL THIS TASK COVERS: Removal INITIAL SETUP APPLICABLE MODELS PERSONNEL REQUIRED All Automotive repairman MOS 63H SPECIAL TOOLS REFERENCES (TM) None None TEST EQUIPMENT TROUBLESHOOTING REFERENCES None Para. 2-8 MATERIALS/PARTS EQUIPMENT CONDITION Two lockwashers (96906) MS35338-46 Accessory drive housing assembly removed Seven lockwashers (96906) MS35338-47 (para. 3-18).   (M915/Big Cam I only) Nine lockwashers (15434) S-604 (M915A1/Big SPECIAL ENVIRONMENTAL CONDITIONS   Cam III only) Work area clean and away from blowing dirt and Gasket (15434) 121907 (M915/Big Cam I only) dust. Gasket (15434) 3031434 (M915A1/Big   Cam III only) GENERAL SAFETY INSTRUCTIONS Locknut (15434) S223 None Two preformed packings (15434) 3029847 Gasket (15434) 3029846 Gasket (15434) 157551 LOCATION/ITEM ACTION REMARKS Removal NOTE Perform steps 1 through 6 to remove oil pump from M915A1/Big Cam III. Perform steps 7 through 12 to remove oil pump from M915/Big Cam I. 1. Two screws (12), Remove from oil suction tube (9) Discard lockwashers (11). lockwashers (11), and and oil pan (13). washers (10) 2. Two screws (14), Remove from oil suction tube (9) Discard lockwashers (11). lockwashers (11), and and oil pump assembly (3). washers (10) 3. Oil suction tube (9), two Remove from oil pan (13) and oil Discard preformed packings (8) preformed packings (8), and pump assembly (3). and gasket (7). gasket (7) 4. Oil transfer hose (4) Remove from oil pump assembly (3) and cylinder block (1). 5. Five screws (5) and Remove from oil pump assembly Discard lockwashers (6). lockwashers (6) (3). 6. Oil pump assembly (3) and Remove from accessory drive Free oil pump assembly (3) by gasket (2) housing (15). tapping with a soft-nose hammer. Discard gasket (2). 3-42