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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 862-131
 (8)  Find the fueling valve switch for the tank that will get the fuel that you are scheduled to move.
 (a)  
Set that fueling valve switch to OPEN.

 (b)  
Make sure all of the other fueling valve switches are in the CLOSE position.

 S 012-092
 (9)  Open the access door, 6535, for the defueling valve.
 (a)  Set the defueling valve handle to OPEN.
 S 862-221
 (10) On the P5 panel, set the switches for the fuel boost pumps to the position shown for the applicable tank in this table:
 ~............................................................................... | | SWITCH POSITION FOR DEFUELING | | .......................................... | FUEL BOOST PUMP SWITCH | TANK NO. 1 | TANK NO. 2 | CENTER TANK | .................................................................................
 |  FUEL PUMPS AFT 1  |  ON  |  OFF  |  OFF  |
 |  FUEL PUMPS FWD 1  |  ON  |  OFF  |  OFF  |
 |  FUEL PUMPS AFT 2  |  OFF  |  ON  |  OFF  |
 |  FUEL PUMPS FWD 2  |  OFF  |  ON  |  OFF  |
 |  FUEL PUMPS L CTR  |  OFF  |  OFF  |  ON  |
 |  FUEL PUMPS R CTR  |  OFF  |  OFF  |  ON  |

 2......................................…............…............…..............1
 (a)  To operate the fuel boost pumps in the center tank, you must be in the flight compartment to continuously monitor for the LOW PRESSURE lights. 1) Turn the applicable fuel boost pump switch for the center
 tank to the OFF position if the LOW PRESSURE light stays on.
 S 652-093
 (11) Continue to move the fuel until the fuel quantity indicator shows the necessary quantity of remaining fuel in the tank.
 (a)  
You can also monitor the applicable low pressure light to show when the applicable tank is empty.

 (b)  
When the applicable low pressure lights come on, the applicable tank is empty.

 (c)  
Set the applicable boost pump switches to OFF.

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 862-084
 (12)
 Set the fueling valve switches to the CLOSE position on the refuel panel (P15).

 S 412-133

 (13)
 Close the access door, 6540, for the refuel station.

 S 862-094

 (14)
 Close the defueling valve.

 S 412-134

 (15)
 Close the access door, 6535, for the defueling valve.

 S 862-135

 (16)
 Set the crossfeed valve switch in the CLOSE position if you opened it before this step.

 S 862-096

 (17)
 Set the crossfeed valve switch in the CLOSE position, if you opened it before this step.

 S 862-097

 (18)
 Close these circuit breakers and remove the DO-NOT-CLOSE tags:

 (a)  P6 Main Power Distribution Panel
 1) ENG 1 R IGN
 2) ENG 1 L IGN
 3) ENG 2 R IGN
 4) ENG 2 L IGN

 S 862-098
 (19)
 Remove the electrical power if it is not necessary for other tasks (AMM 24-22-00/201).

 S 682-099

 (20)
 If you are scheduled to drain the sump fuel, do this procedure "Drain the Fuel from the Sumps" for the applicable tank.

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