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 TM 10-3930-638-24&P
4-3. FUEL SYSTEM MAINTENANCE (cont)
b. Fuel Injection Pump (cont).
ACTION
REMARKS
ITEM
LOCATION
STEP
TESTING (cont)
41
[cent)
g. Minimum
Minimum delivery shall be 25 cubic MM/
Operate pump
stroke
at 15010
delivery check
RPM
h. High speed
High speed delivery shall be 11-14 cubic
Operate pump
at 230010
delivery check
MM/stroke; if necessary adjust high idle
RPM
screw (43) to obtain correct delivery. Re-
peat pressure check above
i. Low idle
Low idle delivery shall be 10-13 cubic MM/
Operate pump
at75010
delivery check
stroke. If necessary adjust low idle screw
RPM
(41 ) to obtain correct delivery
Each line on advance window equals two
a. Observe
j. Automatic
advance check
advance
pump degrees; cam (116) has a line etched
window
on it which is observed at window
b. Operate
Cam movement shall be 1 degree
pump at
650-950
RPM
c. Operate
Cam movement shall be 5 degrees
pump
at 1250-
1450
RPM
d. Operate
Full advance (8 -0 + 1 degrees)
pump at
1700-
1900
RPM
e. Set test
Check that cam returns to its initial posi-
stand
tion. Recheck transfer pump pressure
for zero
RPM at
pump
k. Fuel delivery
a. Operate
Fuel delivery shall be 611.5 cubic MM/
pump
stroke
at 1400
10 RPM
b. Operate
Fuel delivery shall be 25 cubic MM/stroke
pump at
minimum
at 150
10 RPM
c. Operate
Fuel delivery shall be 11-14 cubic MM/
pump at
stroke
2300
10PRM
4-130
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