TM 5-2420-231-23-1
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FINDING TOP DEAD CENTER (TDC) CONTINUED
19. Install front and rear valve covers (WP 0112).
NOTE
When marking crankshaft pulley, any reference point can be used on the engine. Pulley
sensor boss is used for this example.
20. Place mark (Figure 6, Item 3) on crankshaft pulley (Figure 6, Item 1) at the halfway point between first mark
(Figure 6, Item 2) and second mark (Figure 6, Item 4). This is TDC.
Figure 6. Reference Mark 3.
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21. Rotate crankshaft pulley (Figure 7, Item 1) and align TDC mark (Figure 7, Item 2) with reference point on
engine.
Figure 7. TDC.
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