TM 9-2815-225-34&P 3-45. AIR AFTERCOOLER REPAIR (Contd) LOCATION/ITEM ACTION REMARKS d.  Assembly 14. Four new preformed Install on inlet and outlet Lubricate four new preformed packings (6) fittings of aftercooler element (13). packings (6) with OE/HDO 10 lubricating oil prior to installa- tion. NOTE Perform steps 15b and 16 for M915A1/Big Cam III only. 15. New gasket (5) (M915/Big Install on intake manifold (12) Ensure holes in new gasket (5) Cam I) and aftercooler as follows: are aligned. element (13) NOTE The  aftercooler  element  has  a  precision  fit  in  intake  manifold.    Move  element  carefully during installation. a.  Position on intake manifold (12) and gasket (5) (M915/Big Cam I). b.  Check clearance at two loca- When measuring clearance, tions between aftercooler element hold aftercooler element (13) (13) and intake manifold (12) as against side of intake manifold shown. (12).  Clearance must not be less than 0.003 in. (0.076 mm) or more than 0.013 in. (0.330 mm). 16. Eight washers (10) and Install on intake manifold (12) to screws (11) secure aftercooler element (13) as follows: a.  Carefully align holes. b.  Tighten four center screws Use tightening sequence shown. to 15 lb-ft (20 Nm). c.  Tighten four end screws to 15 lb-ft (20 Nm). d.  Tighten four center screws to 25 lb-ft (34 Nm). e.  Tighten four end screws to 25 lb-ft (34 Nm). CAUTION When  installing  water  inlet  connection  and  water  outlet  connection,  be  careful  not  to damage or distort new preformed packings. 17. New gasket (7), water inlet Install on intake manifold connection (8), and two (12) finger-tight. screws (M915/Big Cam I) or captive washer screws (M915A1/Big Cam III) (9) 18. New gasket (5) (M915A1/ Install on aftercooler element (13). Ensure holes in new gasket (5) Big Cam III) and aftercooler are aligned. cover (14) 3-268