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TM 5-4320-305-24
3-6.
REPLACE ENGINE ASSEMBLY (Continued)
12
Position fuel reservoir No. 003-0777 (7) under stub pipe (4) so that fuel runs into reservoir during injection timing
test and adjustment.
13
Rotate V-belt pulley (1) counterclockwise until the FB mark (4) is approximately 90 degrees before engine TDC (5).
14
Pump hand pump handle of high pressure timing device No. 003-0714 (5) until fuel flows out of stub pipe (4) into
reservoir (6).
15
Rotate V-belt pulley clockwise (in normal running direction) slowly and continue to pump hand pump handle until
fuel flow decreases to a drip. When the interval between droplets is 5 to 8 seconds, the fuel injection rate is correct.
Stop rotation of crankshaft.
16
Make sure mark FB lines up with marking on front cover. If so, the fuel injection timing is adjusted correctly and
there is no need for further adjustment. If not, proceed with the following steps to adjust fuel injection timing.
Change 1
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