(19)
 Make sure these valves are closed:

 NOTE: If you do this test with these valves open (for example
____ during a fuel transfer operation), it is possible that the low pressure indicating light will not go off when you operate the pump.
 (a)
The engine fuel shutoff valve for the No. 1 tank

 (b)
The engine fuel shutoff valve for the No. 2 tank

 (c)
The crossfeed valve

 (d)
The defuel valve

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757
MAINTENANCE MANUAL

 S 864-088
 (20) Push the applicable fuel boost pump or fuel override pump switch-light of the fuel management control panel on the overheadpanel, P5, to the ON position.
NOTE: Someone must be in the flight compartment when the pumps
____operate to continuously monitor for the low PRESS lights.
 ~................................................................. | PUMP | SWITCH-LIGHT | ................................................................... | Left aft fuel boost pump | L AFT PUMPS | ................................................................... | Left forward fuel boost pump | L FWD PUMPS | ................................................................... | Left fuel override pump *[1] | LEFT C PUMPS | ................................................................... | Right aft fuel boost pump | R AFT PUMPS | ................................................................... | Right forward boost pump | R FWD PUMPS | ................................................................... | Right fuel override pump *[1] | RIGHT C PUMPS | 2...................................….............................1 *[1] The fueling station door (621GB) must be open before the
 left or right override pump will operate.
 S 284-065
 (21)
 Listen and make sure the applicable fuel boost pump or fuel override pump operates.

 S 214-066

 (22)
 Make sure the applicable PRESS light on the fuel management panel of the P5 panel goes off.

 S 864-067

 (23)
 Push the applicable fuel boost pump or fuel override pump switch-light to the off position.

 S 284-068

 (24)
 Listen and make sure the applicable fuel boost pump or fuel override pump does not operate.

 S 214-069

 (25)
 For the fuel boost pumps, make sure the applicable PRESS light comes on.
　
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