TM 9-2815-225-34&P 3-81. OIL PAN INSTALLATION (Contd) LOCATION/ITEM ACTION REMARKS Installation (Contd) 3. Oil pan (3) (M915A1/Big Position on oil pan gasket (2) Cam III) or (37) (M915/Big and cylinder block (1). Cam I) 4. Twenty-eight screws (12) Install on oil pan (3) (M915A11 Do not tighten screws at this time. Big Cam III) or (37) (M915/ Big Cam I) and cylinder block (1). 5. Four screws (6), new lock- Install on oil pan (3) Do not tighten screws at this time. washers (5), and washer (4) (M915A1/Big Cam III) or (37) (M915/Big Cam I) and rear cover. NOTE Two of the four screws may have been eliminated on newer M915A1/Big Cam III oil pans. 6. Engine shipping support Install on front of oil pan (3)  Do not tighten screws at this time. (15) (M915A1/Big Cam III) or (37) (M915/Big Cam I) with four screws (14) (M915A1/Big Cam III) or four screws (36) (M915/Big Cam I). 7. Two screws (18) and Install on middle holes of Use middle three holes on each washers (19) (M915/Big flywheel housing (20) and oil side of flywheel housing (20).  This Cam I) pan (37). step ensures proper location of oil pan (37) during initial assem- bly.  Do not tighten screws at this time. 8. Two screws (12) Finger-tighten one screw (12) on each side of oil pan flange, in a position located halfway between front and rear of oil pan (3) (M915A1/Big Cam III) or (37) (M915/Big Cam I). 9. Two screws (18) and Remove from middle holes of This step is necessary to provide washers (19) (M915/Big flywheel housing (20) and oil clearance to perform step 10. Cam I) pan (37). 3-622