TM-9-2320-365-34-2 LMTV Direct Maintenance Manual M1078 Series - Volume 2 Download
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TM 9-2320-365-34-2 4-5. FUEL TIMING CHECKS (CONT) (h) Loosen collet sleeve and move dial indicator in collet until pointer indicates correct offset, minus scale (red numbers). (i) Tighten collet sleeve and check reading on red scale. (j) Wipe clean the top of all fuel injector tappets and shoulder surfaces. CAUTION After timing fixture has been installed, DO NOT rotate engine. Failure to comply may result in damage to equipment. (k) Remove bolt from timing fixture. NOTE Intake and exhaust valves for No. 1 cylinder are fully closed if No. 1 piston is on COMPRESSION STROKE and rocker arms can be moved by hand. If rocker arms can not be moved and valves are slightly open, No. 1 piston is on EXHAUST STROKE. Refer to Table 4-1 Crankshaft Position to determine which injectors are to be checked/adjusted for stroke position of crankshaft when timing bolt has been installed in flywheel. Table 4-1. Crankshaft Position CRANKSHAFT POSITIONS FOR FUEL TIMING SETTING SAE Standard (Counterclockwise) Rotation Engines As Viewed From The Flywheel End Check/Adjust With No. 1 Piston on TC Compression Stroke Injectors 3-5-6 Check/Adjust With No. 1 Piston On TC Exhaust Stroke Injectors 1-2-4 4-20