TM 9-2350-256-34-1
VAPOR CAN EXPLODE FROM ELECTRIC ARC.
DO NOT OPERATE PUMP BY CONNECTING OR
DISCONNECTING CLIPS. USE A SWITCH
EQUIPMENT REQUIRED:
1.
DESCRIPTION:
0-10 GPH ± 2% OF SCALE
READING.
0-10 PSI.
FLOWMETER
2.
ADJUSTABLE FLOW
REGULATOR
3.
4.
RELIEF VALVE
10 PSI.
PRESSURE GAGE (TAP
0-10 PSI ± 2% OF SCALE
SHALL BE IN A 0.5
READING.
INCH I. D. DISCHARGE
LINE, 6-8 INCHES
FROM PUMP DISCHARGE
FITTING)
5.
RESERVOIR
TO SUIT (FLUID LEVEL
MUST BE MINIMUM OF 2
INCHES AB0VE PUMP).
6.
ADJUSTA8LE DC
POWER SOURCE
DC VOLTMETER
OUTPUT CAPABILITY O-28
VDC @ 5 AMPERES,
MUST MEASURE 17.5 - 28
VDC TO WITHIN AN
ACCURACY OF O. 25%.
HOSE, PIPING AND
FITTINGS
7.
8.
TEST FLUID
SPST TOGGLE SWITCH
MS39061-1 (24 VDC,
24 AMP).
FUEL VV-F-800.
TO SUIT.
NOTE
TO DETERMINE POLARITY OF THE TERMINAL ASSEMBLY PINS, FACE THE PUMP AND MOUNT
ASSEMBLY SO THAT THE DISCHARGE FITTING IS TO THE RIGHT AND THE TERMINAL TO THE
LEFT WITH THE LONG CENTER (POLARIZING) PIN AT THE TOP OF THE TERMINAL AND THE
SCREW AT THE BOTTOM. THE POSITIVE (HOT) PIN IS ON THE LEFT SIDE OF THE TERMINAL
AND THE NEGATIVE (GROUND) PIN IS ON THE RIGHT SIDE.
TEST AFTER REASSEMBLY OF FUEL PUMP
1.
ASSEMBLE TEST EQUIPMENT TO PUMP WITH SWITCH (8) OPEN AND SUBMERGE PUMP IN TEST FLUID (FUEL
VV-F-800) SO THAT TEST FLUID COVERS PUMP BY AT LEAST 2 INCHES.
2. ADJUST POWER SUPPLY FOR 27.5 ± 0.1 VDC.
CLOSE SWITCH (8) AND READJUST POWER SUPPLY IF
NECESSARY.
3. OPERATE PUMP AT 27.5
3.75 PSI.
4.
REPEAT STEP 2 FOR AN
5.
OPERATE PUMP AT 18 ±
± 0.1 VDC.
RATED FLOW SHOULD BE 22029 GPH (3.67 ± 0.15 GPM)-AT
18 + 0.1 VDC POWER SUPPLY.
0.1 VDC.
RATED FLOW SHOULD BE 80 ± 3 GPH (1.33 + .05 GPM) AT 2.50 PSI.
TA015997
Figure 3-7. Electric fuel pump test.
3-14