Figure 2.11. Engine timing marks.

TM 5-4320-234-34

Table 2-1. Troubleshooting - Continued

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

ENGINE CONTINUED

Figure 2.11. Engine timing marks.

(10) Remove the rear spark plug from the engine. Put your thumb over the spark plug hole and crank the engine until no. 6

cylinder starts on the compression stroke. This is indicated by air being compressed against your thumb as the piston

rises In the cylinder.

(11) Set the piston on top-dead center by slowly cranking until the DC mark on the flywheel {2, fig.-12), visible through the

timing hole (1) In the housing, is aligned with the timing mark pointer. Hold the engine at this setting.

2-14