(3)  
Disconnect the connector of the fuel inlet line at the APU fuel control unit (View B).

 S 862-007

 (4)  
Open this circuit breaker on the main power distribution panel, P6, and attach a DO-NOT-CLOSE tag:

 (a)  
6H23, L FWD FUEL BOOST PUMP

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APU FUELCONTROL UNIT
SEE A
INLET LINE APU FUEL 
CONTROL UNIT APU FUEL INLET LINE THE APU FUEL CONNECTOR OF 
FWD 
A APU FUEL CONTROL UNIT 

APU Fuel Inlet Line and Starter Motor Cables Location
Figure 201

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 (5)  S 212-008Make sure all the switch-lights of the fuel boost pumps on the P5 panel are in the OFF position.
 (6)  S 862-009Supply electrical power (AMM 24-22-00/201).
 (7)  S 032-006Remove the DO-NOT-OPERATE tag from the APU master control switch on the P5 panel.
 S 862-021

 WARNING:_______DO NOT PUT THE APU START SWITCH TO THE START POSITION. IF YOU PUT THE APU START SWITCH TO THE START POSITION, THE APU CAN START AND CAUSE INJURIES TO PERSONS.
 (8)  
Put the APU master control switch on the P5 panel to the ON position to operate the APU DC fuel pump.

 S 492-011

 (9)  
Put the container in position to catch the fuel from the APU fuel inlet line.

 S 872-012

 (10)
 Operate the APU DC fuel pump until a minimum of 3 gallons of fuel drains into the container (AMM 49-11-00/201).

 NOTE: This purges air from the APU fuel inlet line.
____
 S 862-022
 WARNING:_______DO NOT PUT THE APU START SWITCH TO THE START POSITION. IF YOU PUT THE APU START SWITCH TO THE START POSITION, THE APU CAN START AND CAUSE INJURIES TO PERSONS.
 (11)
 Put the APU master control switch on the P5 panel to the OFF position and attach a DO-NOT-OPERATE tag.

 S 432-014

 (12)
 Connect the connector of the APU fuel inlet line to the APU fuel control unit.

 S 412-020

 (13)
 Remove the hold-open rods and close the APU access doors, 315AL and 316AR (AMM 06-42-00/201).
　
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