TM 9-2815-225-34&P
3-63.
FUEL PUMP TESTING AND CALIBRATION (Contd)
LOCATION/ITEM
ACTION
REMARKS
Pump code; Date; CPL ..........................................................................1 33859-77; 0324
4-78; 3619 (Big Cam I)
Test Hp Rated RPM................................................................................400 @ 2100
Engine Fuel ...........................................................................................154-170 PSI (1061-1172 kPa)
Fuel Rate lb/hr .......................................................................................144-150
Auto Governor Cutoff RPM .....................................................................2,130-2,150
Throttle Leakage cc/1000 RPM ..............................................................12 1/2 to 16 1/2 cc/mim
Throttle Travel Degrees ..........................................................................27-29
Idle Speed @ RPM .................................................................................20 PSI (138 kPa) @ 500
Calibration @ RPM (Flow).......................................................................164 PSI (1130 kPa) @ 2100 (505)
Check Point 1
PSI @ RPM (Flow) ...............................................................................118-124 PSI (813-855 kPa) @
1500 (415)
AFC Setting
In-Hg RPM............................................................................................6 @ 1600
Fuel (Flow) ...........................................................................................62 PSI (427 kPa) (285)
No-Air Set RPM (Flow) ...........................................................................1600 33 PSI (227 kPa) (210)
Weight-Assist Setting .............................................................................0.840 in. (21.33 mm)
Weight-Assist Spring ..............................................................................P/N 143848
Idle Plunger ...........................................................................................Code 40 -P/N 137370
Idle Spring..............................................................................................P/N 3018767
Torque Spring ........................................................................................P/N 138781
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 143252
AFC Spring.............................................................................................P/N 179822
3-453
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