737-300 400 500 AMM 飞机维护手册 燃油 FUEL 3(139)

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 Make sure the indicator for the center tank shows zero fuel
 quantity and an error code.
 (i)  AIRPLANES WITH ANALOG INDICATORS;
 Make sure the indicator for the center tank moves downscale
 from the value that you wrote down before.
 (j)  Make sure the fuel quantity indicators for the No. 1 and the
 No. 2 tanks show the fuel quantities that you wrote down
 before.
 (k)  Connect the connector D886 again.
 (l)  Disconnect the connector D888 at the bussing plug for the No. 2
 fuel tank on the front spar.
 (m)  AIRPLANES WITH DIGITAL INDICATORS;
 Make sure the indicator for the No. 2 tank shows zero fuel
 quantity and an error code.
 (n)  AIRPLANES WITH ANALOG INDICATORS;
 Make sure the indicator for the No. 2 tank moves downscale from
 the value that you wrote down before.
 (o)  Make sure the indicators for the No. 1 tank and the center tank
 show the fuel quantities that you wrote down before.
 (p)  Connect the connector D888 again.

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 ú

 28-41-51
 ú ALL ú ú ú 08.101 Page 404 ú ú Jul 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 FUELING QUANTITY INDICATOR - REMOVAL/INSTALLATION
_________________________________________________
 1.  General_______
 A. This procedure has two tasks:
 (1)  
A task to remove the fueling quantity indicator (referred to as the "refuel quantity indicator")

 (2)  
A task to install the refuel quantity indicator.

 TASK 28-41-61-004-001
 2.  Refuel Quantity Indicator Removal_________________________________
 A. Access
 (1)  
Location Zone
 402 Right Wing Outboard Leading Edge

 (2)  
Access Panels
 6540 Refueling Station Access Door

 

 B. Procedure
 S 864-002
 (1) Open these circuit breakers and attach DO-NOT-CLOSE tags:
 (a)  P6 Main Power Distribution Panel
 1) EP GND FUELING
 2) QTY

 S 014-003
 (2)  
Open the access door for the refuel control panel (P15).

 S 034-004

 (3)  
Loosen the clamp screw of the applicable indicator.

 (4)  
Remove the indicator from the panel.

 (5)  
Disconnect the electrical connector at the indicator.

 S 024-005
 S 034-006
 TASK 28-41-61-404-007
 3.  Refuel Quantity Indicator Installation______________________________________
 A. Access
 (1)  Location Zone
 402 Right Wing Outboard Leading Edge

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 28-41-61
 ALL  ú ú 02 Page 401 ú Jul 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 (2)  Access Panels
 6540 Refueling Station Access Door

 B. Procedure
 S 434-008
 (1)  
Connect the electrical connector at the indicator.

 S 424-009

 (2)  
Install the indicator in the panel.

 S 434-010

 (3)  
Tighten the clamp screw on the indicator.

 S 414-011

 (4)
Close the access door for the refuel control panel (P15).

 S 864-012

 (5)
Close these circuit breakers and remove the DO-NOT-CLOSE tags:

 (a)  P6 Main Power Distribution Panel
 1) QTY
 2) EP GND FUELING

 S 714-013
 (6)  Push the test switch (PUSH-TO-TEST) on the refuel control panel (P15).
 (a)  Make sure all of the refuel quantity indicators operate correctly.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
　
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