Section V - Specifications - Group 18 Injection Timing Codes M11 Page V-41 Injection Timing Codes Note: Injection timing is measured at 5.161 mm [0.2032 inch] BTDC piston travel. Timing Push Rod Travel Range Reference Camshaft Key Key Configuration Amount of Offset Code mm in Part No. mm [in] CELECT™ HZ -5.92 to -6.02 -0.233 to -0.237 3009953 Straight Key 0.000 [0.0000] Read the push rod travel gauge counterclockwise from ‘‘0’’. This travel represents the injection timing value. In the example shown, the value is 1.98 mm [0.078 inch]. Injection timing can be changed by removing the cam- shaft gear and installing an offset key.