ARMY TM 9-2815-255-24
AIR FORCE TO 38G1-95-2
MARINE CORPS TM 2815-24/4
TABLE 3-4. Fuel Injection Pump Specifications - continued
RPM
THRTL. POS.
mm3/Stroke
Advance
75
WOT
30 Min.
- - -
200
WOT
4 Max.
- - -
262.5
WOT
- - -
1° - 3°
650
WOT
- - -
4°- 5°
875
WOT
94-98
- - -
875
WOT
4 Max.
- - -
935
WOT
10-12
- - -
960
WOT
5 Max.
- - -
E.S.O. De-Energized.
Pump Settings: Following Pump Service.
1.
Roller to Roller Dimension: 1.986 ± .0015 (50.05 to 50.13 mm) Maximum Eccentricity: .004 in. (0.10 mm) T.I.R.
2.
Gov. Linkage Gap: .125 to .165 in. (3.2-4.2 mm)
3.
500 RPM (WOT): Operate pump for 10 minutes to bring to operating temperature and clear air from system.
4.
200 RPM (WOT):
a.
Check Shut Off: 4 mm3/Stroke, Max.
b.
Check for minimum transfer pump lift of 18 in. HG. (60 kPa).
5.
875 RPM (WOT):
a.
Check test stand boost pressure for 1.5 to 2.5 psi (10.3 to 17 kPa)
b.
Set transfer pump pressure for 78 to 80 psi (538-522 kPa).
c.
Adjust return oil to 225-475 cc/min. Substitute vent wire screws as required. Recheck transfer pump
pressure.
d.
Check housing pressure for 4-8 psi (28-59 kPa).
6.
262.5 RPM (WOT): Set advance trimmer screw for 2°.
7.
875 RPM (WOT): Set roller to roller fuel delivery 95.5-96.5 mm3/Stroke, refer to paragraph 3-27.6, steps k and I.
8.
Turn speed droop adjusting cap in 2 full turns clockwise.
9.
935 RPM (WOT): Adjust high idle screw to obtain 10-1 2mm3/Stroke.
10.
Check points:
NOTE: Maximum cylinder variation should be ± 4 mm3/Stroke from average flow of all cylinders.
RPM
THRTL. POS.
mm3/STROKF
ADVANCE
T.P. PRESS
75
WOT
32 Min.
- - -
10 Min.
200
WOT
4 Max.
- - -
- - -
262.5
WOT
- - -
1°-3°
- - -
650
WOT
- - -
4°-5°
- - -
875
WOT
95.5-96.5
- - -
78-80
875
WOT
4 Max.
- - -
935
WOT
10-12
- - -
- - -
960
WOT
5 Max.
- - -
- - -
650
WOT
- - -
4°- 5°
- - -
E.S.O. Deenergized
(69 kPa)
(538-552 kPa)
3-119
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