TM 9-2815-225-34&P 3-75.  FRONT GEAR COVER INSTALLATION (Contd) LOCATION/ITEM ACTION REMARKS Installation (Contd) 12.     Camshaft support (5), shim a.  Remove shim pack (6) and pack (6), and preformed preformed packing (7) from packing (7) camshaft support (5). b.  Install camshaft support (5) Ensure camshaft is pushed on gear cover (11), and hold it back against cylinder block (14). against end of camshaft. c.  Using feeler gauge, measure Use measurement to determine space between mounting flange thickness of shim pack needed of camshaft support (5) and gear to provide 0.008-0.13 in.  (0.203- cover (11). 3.302 mm) clearance.  Shim packs are available in four different thicknesses. d.  Remove camshaft support (5) from gear cover (11). e.  Install shim pack (6) and preformed packing (7) on camshaft support (5). f.  Install camshaft support (5), shim pack (6), and preformed packing (7) on gear cover (11). NOTE Perform step 13 for M915/Big Cam I only. Perform step 14 for M915A1/Big Cam III only. 13.     Three screws (4), new Install on camshaft support (5), Tighten screws (4) to 15-20 lb-ft lockwashers (22), and shim pack (6), and gear cover (11).   (20-27 Nm). washers (23) 14.     Three captive washer screws Install on camshaft support (5), Tighten captive washer screws (4) (4) shim pack (6), and gear cover (11).   to 15-20 lb-ft (20-27 Nm). NOTE Perform steps 15 and 16 if oil pan is installed. 15.     Engine shipping support Position on bottom front of (16) engine oil pan. 16.     Four captive washer screws Install on engine shipping Tighten captive washer screws (17) (M915A1/Big Cam III) support (16), engine oil pan, and or screws (18) to 35-40 lb-ft or four screws (18) gear cover (11). (48-54 Nm). (M915/Big Cam I) FOLLOW-ON TASK: Install accessory drive pulley (para. 3-76). 3-588