TM 9-2815-225-34&P 3-81. OIL PAN INSTALLATION (Contd) LOCATION/ITEM ACTION REMARKS Installation (Contd) NOTE M915/Big   Cam   I   engines   use   a   two-piece   nonmetallic   oil   suction   hose   assembly consisting of an oil pan mounting flange and a flexible oil suction hose.  M915A1/Big Cam III engines use a metallic oil suction tube. Perform steps 16 and 17 for M915A1/Big Cam III only. Perform steps 18 through 26 for M915/Big Cam I only. 16. New gasket (17) and two Position on oil suction tube (10) new preformed packings and position assembly on oil pan (11) (M915A1/Big Cam III) (3) and oil pump (16). 17. Oil suction tube (10), two a.  Install on oil pan (3) and oil screws (7), screws (13), four pump (16). new lockwashers (8), and washers (9) (M915A1/Big Cam III) b.  Tighten screws to 30-35 lb-ft Tighten screws (7) before (41-48 Nm). screws (13). 18. Oil suction hose (25) and Install on oil pan (37) with two Do not tighten screws (26) at new gasket (17) (M915/Big new lockwashers (27) and this time. Cam I) screws (26). 3-626