TM-5-4310-389-14
Figure 4-37. Measuring and Marking
Figure 4-38. Setting the Adjusting Drive
Halfway Points
6.
Place the dial indicator and preload on the top of the adjusting device.
7.
Turn crankshaft clockwise until dial indicator gauge begins to move. Turn crankshaft slowly until the dial
pointer starts moving in the opposite direction. Set gauge to zero.
8.
Apply mark on crankshaft pulley.
9.
Turncrankshaft180 0 clockwise. Turn crankshaft counterclockwise until the dial pointer starts moving in the
opposite direction. Apply second mark on the crankshaft.
10.
The midway point between the two marks is TDC. (Do not remove pointer.)
NOTE
If the second mark and the first mark coincide, that is the TDC position.
b.
Set timing.
1.
Ensure
that TDC has been determined.
2.
Mount magnetic protractor so zero coincides with TDC (figure 4-39).
3.
Turn crankshaft approximately 90° counterclockwise from TDC.
4.
Remove fuel filter. Remove injector line No. 1 from injector and remove fuel return line.
5.
Plug fuel return line with plug and connect adapter for HP hand feed pump.
4-64
