28-21-03
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757 MAINTENANCE MANUAL
SURGE TANK FUEL LEVEL SENSOR CONTROL CARD - REMOVAL/INSTALLATION
________________________________________________________________
1. General_______
A. The control card of the fuel level sensor for the surge tank is installed in the electrical system card file, P50.
B. This procedure contains two tasks. The first task removes the control card of the fuel level sensor. The second task installs the control card of the fuel level sensor.
TASK 28-21-04-004-001
2. Remove the Control Card of the Fuel Level Sensor (Fig. 401)________________________________________________
A. Equipment
(1)
Safety Barrier - Electrical/Electronics Access
Door, B52006-1
B.
References
(1)
AMM 06-41-00/201, Fuselage Access Doors and Panels
(2)
AMM 20-41-01/201, Electrostatic Discharge Sensitive Devices
C.
Access
(1)
Location Zones
119 Main Equipment Center (Left)
120 Main Equipment Center (Right)
(2)
Access Panel
119BL Electrical/Electronics Access Door
D.
Procedure
S 864-003
(1)
Open this circuit breaker on the APU external power panel, P34, and attach a DO-NOT-CLOSE tag:
(a)
34A11, FLNG CONT
S 864-002
(2)
Open this circuit breaker on the main power distribution panel, P6, and attach a DO-NOT-CLOSE tag:
(a)
6E5, FUELING CONTROL
S 014-004
(3)
Open the electrical/electronics access door, 119BL
(AMM 06-41-00/201).
(4)
Go into the main equipment center.
S 494-006
(5)
Install the safety barrier across the opening for the electrical/electronics access door.
(6)
Get access to the electronics system card file, P50.
S 014-005
S 014-007
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28-21-04
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757
MAINTENANCE MANUAL
ELECTRICAL SYSTEMS CARD FILE, P50
SEE A
DOOR OF THE ELECTRICAL SYSTEMS CARD FILE
ELECTRICAL SYSTEMS CARD FILE, P50
FASTENER (EXAMPLE) GUIDE
STRINGER (REF)
EJECTOR
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本文链接地址：757 AMM 飞机维护手册 燃油 CHAPTER 28 - FUEL 2(77)
