Isuzu C-240PW-28, Technical Manual, Page: 93 / 235

ARMY TM 9-2815-254-24
AIR FORCE TO 38G1-94-2
3-13.2. Adjustment Procedure.
a. Align timing pointer at timing gear case and middle (18 degrees) injection timing notch line on crankshaft
pulley.
b. Disconnect injection pipe from delivery valve No. 1. Cap openings.
c. Remove No. 1 plate assembly (32, FIGURE 3-8), valve body (33), spring (34), gasket (36), and valve (35).
refer to paragraph 3-11.2.2.
d. Install valve body (33) and tighten to 31 ft-lbs (42.0 Nm).
Take care to avoid entry of dirt or foreign particles in fuel injection pump
while delivery valve is removed. Otherwise, damage to pump could oc-
cur.
e. Hold fuel control lever to full fuel position.
N O T E
Injection timing adjustment is done by pivoting injection pump at drive
shaft. Pivot pump body toward outside of engine to advance timing. Piv-
ot pump body toward inside of engine to retard timing.
f. Disconnect other injection pipes at delivery valves to allow pump to pivot easily. Cap openings.
g. Loosen four nuts (5) mounting pump and pivot pump body.
N O T E
Movement of 0.04 in. (1.0 mm) corresponds to approximately 2 degrees
in crank angle.
h. Operate priming pump to allow fuel to flow from No. 1 delivery valve.
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