ARMY TM 9-2815-260-24 AIR FORCE TO 38G1-126-2 MARINE CORPS TM 09244A/09245A-24 4-67 NOTE Rotate engine flywheel clockwise when viewed from the front of the engine. (e) Apply light pressure to tip of timing pin and rotate flywheel rotation tool counterclockwise until timing pin slides into hole in flywheel and prevents flywheel from turning. (f) Check rocker arms on Number 6 cylinder, refer to Figure 4-47.  If both rocker arms are loose, the engine is set with No. 6 Piston at TDC.  If both rocker arms are not loose, engine is one full revolution (360°) away from TDC, rotate engine slightly and repeat steps 4 and 5.   b.    Test Valve Clearance. (1)   Check and Adjust Valve Clearance. NOTE Valve clearance MUST BE checked and adjusted with engine COLD. (a) Remove rocker arm cover, refer to paragraph 4.7.1. (b) Visually inspect contact surfaces of valve tips and rocker arm wear pads.  Check all parts for excessive wear.  Replace all parts that show visible damage. FIGURE 4-47.  ROCKER ARM LOCATION