TM 9-2815-225-34&P
3-63.
FUEL PUMP TESTING AND CALIBRATION (Contd)
LOCATION/ITEM
ACTION
REMARKS
Pump code; Date; CPL ..........................................................................3894-F; 6-82; 0531 (Big Cam III)
Test Hp Rated RPM ...............................................................................400 @ 2100
Engine Fuel ...........................................................................................148-164 PSI(1020-1130 kPa)
Fuel Rate lb/hr .......................................................................................139-145
Auto Governor Cut Off RPM ...................................................................2130-2150
Throttle Leakage cc/1000 RPM ..............................................................45 to 69
Throttle Travel Degrees ..........................................................................27-29
Idle Speed @ RPM ................................................................................32 PSI(220 kPa) @ 500
Intake Manifold ......................................................................................39-47
Calibration @ RPM (Flow) ......................................................................157 PSI (1082 kPa) @ 2100 (470)
Check Point 1
PSI @ RPM (Flow) ...............................................................................109-115 PSI(751-793 kPa) @ 1,000
1300 (380)
Check Point 2
PSI @ RPM (Flow) ...............................................................................76-84 PSI(524-579 kPa) @ 1,000
(300)
AFC Setting
In-Hg RPM ...........................................................................................10 @ 1,600
Fuel (Flow) ...........................................................................................85 PSI(586 kPa) (325)
No-Air Set RPM Flow .............................................................................1600 39 PSI(269 kPa) (220)
Weight Assist Setting .............................................................................0.800 in.
Weight Assist Spring ..............................................................................P/N 143854
Idle Plunger ...........................................................................................Code 25 - P/N 141631
Idle Spring .............................................................................................P/N 3018767
Torque Spring.........................................................................................P/N 3002048
Torque Spring Shims (Thickness) ...........................................................0.005 in. (0.127 mm) P/N 101841
0.010 in. (0.254 mm) P/N 101842
0.020 in. (0.508 mm) P/N 101843
Governor Might ......................................................................................P/N 146437
Governor Spring ....................................................................................P/N 143753
AFC Spring ............................................................................................P/N 179826
3-450
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