(3)
Put the ends of the ports of the fuel boost pumps into their mating fittings.
S 434-030
(4)
Move the mounting clamps to let the pump flange go to its correct position.
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A 737-300/400/500MAINTENANCE MANUAL
S 424-031
(5)
Push the fuel boost pump in a straight line into its correct position until the pump flange is against the mating surface.
S 434-032
(6)
Push the mounting clamps into their correct position.
S 434-033
(7)
Install the mounting bolts.
S 764-034
(8)
Do a check of the electrical bond between the fuel boost pump and the airplane structure (SWPM 20-20-00).
(a) The resistance must not be more than 0.0002 ohms.
S 434-035
(9)
Connect the electrical connector to the fuel boost pump.
S 864-036
(10)
Manually open the removal valve for the fuel boost pump.
(a) After you install the boost pump for the center tank, also open the removal valve for the opposite boost pump in the center tank.
I. Make Sure the Fuel Boost Pump Contains Fuel to Operate Correctly
S 974-066
(1)
Make sure the applicable fuel tank contains a minimum of 2000 pounds (900 kilograms) of fuel.
S 864-038
(2)
Make sure the manual defueling valve is closed.
S 864-039
(3)
On the P6 panel, make sure the circuit breakers for the indication lights for the fuel system are closed.
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A 737-300/400/500MAINTENANCE MANUAL
SE28-2001
Boost Pump Priming Bottle Figure 402
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(4) S 864-040Remove the DO-NOT-CLOSE tag and close this circuit breaker: (a) P6 Main Power Distribution Panel 1) The circuit breaker for the fuel boost pump you installed.
(5) S 864-041If the boost pump is for a wing tank, make sure the LOW PRESSURE light on the P5 panel is on.
(6) S 864-042If you installed the fuel boost pump for the center tank, make sure the master DIM AND TEST circuit breaker on P6 panel is closed. (a) Push the applicable LOW PRESSURE light on the P5 panel to make sure they come on.
NOTE:____ The lights are press-to-test lights.
(7) S 714-068On the P5 panel, put the switch for the fuel boost pump you installed to the ON position. (a) If the fuel boost pump is for the center tank, you must continuously monitor for the LOW PRESSURE light when the fuel boost pump is on.
(8) S 714-045If the fuel boost pump is for a wing tank, make sure the applicable LOW PRESSURE light on the P5 panel goes out when the pressure increases.
(9) S 714-046If the boost pump is for the center tank, make sure the LOW PRESSURE light on the P5 panel shows these effects: (a) The LOW PRESSURE light comes on momentarily after you move the switch. (b) The LOW PRESSURE light goes off again when the pressure increases.
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