ARMY TM 9-2815-255-24 AIR FORCE TO 38G1-95-2 MARINE CORPS TM 2815-24/4 c. Install spring washers (6) and plugs (5) on shaft (7).  Plug must be firmly seated against end of shaft. 3-33.5.  Installation. a. Install pushrods (4, FIGURE 3-98) in same location from which they were removed. NOTE Valve stem tips are specially hardened, wear caps are not required. b. Position rocker arm assembly on engine. CAUTION Make  sure  that  oil  supply  hole  of  rocker  arm  shaft  (7)  faces  flywheel  end  of  engine  and  faces downward when rocker shaft Is Installed, to avoid engine damage. c. Lubricate all rocker arms (8) with engine lubricating oil (MIL-L-2104) and make sure they move freely. d. Position  six  supports  (3)  and  secure  with  capscrews  (1)  and  washers  (2).    Tighten  capscrews  to  35  ft-4bs  (47 Nm). e. Adjust valve clearance, refer to paragraph 3-32.1. f. Install valve cover, refer to paragraph 3-31.2. 3-34.  CYLINDER HEAD ASSEMBLY. 3-34.1.  Removal. a. Drain engine coolant system, refer to end item maintenance manual. b. Remove air intake and exhaust system, refer to end item maintenance manual. c. Remove turbocharger, refer to paragraph 3-13.  1. d. Remove intake and exhaust manifolds, refer to paragraphs 3-15.1.  and 3-14.1. e. Remove thermostat housing, refer to paragraph 3-9.1. f. Remove fuel filter, refer to paragraph 3-24.2. g. Remove fuel injector piping, refer to paragraph 3-26.1. h. Remove fuel injectors, refer to paragraph 3-29.1. i. Remove valve cover, refer to paragraph 3-31.1. j. Remove rocker arm assembly and pushrods, refer to paragraph 3-33.1. k. If a blown head gasket is suspected, check and record each cylinder head capscrew (1, FIGURE 3-99), torque before removing them as follows: (1) Make a reference mark (in-line) on head of capscrew and cylinder head surface. (2) Loosen capscrew at least 1/2 turn, then retighten capscrew (using a torque wrench) until reference marks align and record torque. I. Remove eighteen capscrews (1) securing cylinder head to engine block. CAUTION To avoid damage, do not use screwdriver or pry barn between cylinder block and cylinder head to loosen head-to-block gasket seal. 3-136