Quantcast FIGURE 3-94.  Valve Cover

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ARMY TM 9-2815-255-24 AIR FORCE TO 38G1-95-2 MARINE CORPS TM 2815-24/4 FIGURE 3-94.  Valve Cover 3-32.  INTAKE AND EXHAUST VALVE CHECKS. 3-32.1.  Check and Adjust Valve Clearance. NOTE Valve clearance can be checked with engine cold or warm. a. Remove valve cover with ventilator tube, refer to paragraph 3-31.1. b. Remove plastic plugs in engine timing holes. c. Using center bolt on harmonic balancer, rotate crankshaft clockwise until No.  1 piston is at TDC on compression stroke. NOTE If rocker arms for No.  1 cylinder are loose, engine is at No. 1 TDC compression. d. Valve clearance (rocker arm-to valve tip) is: (1) Intake Valve  ......................................................... 0.014 in. (0.35 mm) (2) Exhaust Valve ......................................................0.018 in. (0.45 mm) e. If valve clearance is not within specification, refer to following steps and adjust valve clearance. NOTE Excessive valve clearance indicates wear on camshaft and/or cam followers. NOTE Firing order is 1-3-4-2.  Intake and exhaust valve locations are designated I and E in FIGURE 3-95. U.S. GOVERNMENT PRINTING OFFICE:  1996-755-119-/40019 Change 2   3-130


 


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