TM 5-2420-231-23-1
0085
FINDING TOP DEAD CENTER (TDC) CONTINUED
Figure 3. Reference Mark 1.
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10. Remove bolt (Figure 2, Item 4) from valve gauge block (Figure 2, Item 3) and valve cover threads
(Figure 2, Item 1).
11. Remove valve gauge block (Figure 2, Item 3) from number 1 rocker arm assembly (Figure 2, Item 5) and
intake rocker (Figure 2, Item 2).
12. Rotate engine 1/4 turn clockwise.
13. Position valve gauge block (Figure 2, Item 3) on number 1 rocker arm assembly (Figure 2, Item 5) and intake
rocker (Figure 2, Item 2).
14. Install bolt (Figure 2, Item 4) on valve gauge block (Figure 2, Item 3) in valve cover threads (Figure 2, Item 1).