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A
757
MAINTENANCE MANUAL
P34 PANEL SEE A
GROUND HANDLING RELAY, K101
FWD
INBD
APU/EXTERNAL POWER PANEL, P34 A
Ground Handling Relay Installation Figure 401
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A
757 MAINTENANCE MANUAL
S 864-013
(3) Open this circuit breaker on the P6 panel:
(a) 6B4, BUS PWR CONT UNIT
D. Procedure
S 024-004
(1) Remove the relay as follows:
(a)
Open the P34 panel.
(b)
Remove the relay terminal cover.
(c)
Remove the wires from the relay.
(d)
Remove the installation screws that attach the relay to the P34 panel.
(e)
Remove the relay.
TASK 24-51-01-424-005
3. Install the Ground Handling Relay (Fig. 401)_________________________________
A. Procedure
S 424-006
(1) Install the relay as follows:
(a)
Attach the relay to the P34 panel with the installation screws.
(b)
Connect the wires to the relay.
(c)
Install the terminal cover on the relay.
(d)
Close the P34 panel.
B. Do a Test of the Relay Installation
S 864-007
(1) Make sure this circuit breaker on the main power distribution panel P6 is closed:
(a) 6B4, BUS PWR CONT UNIT
S 864-008
(2)
Supply external ac power to the ground handling bus
(AMM 24-22-00/201).
S 714-011
(3)
Set the inspection lights switch in the wheel well of the main landing gear to the ON position. Make sure the lights come on.
S 864-009
(4)
Turn off the inspection lights in the wheel well of the main landing gear.
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MAINTENANCE MANUAL
S 864-010
(5) Remove electrical power if it is not necessary (AMM 24-22-00/201).
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757 MAINTENANCE MANUAL
UTILITY BUS RELAYS - REMOVAL/INSTALLATION
_________________________________________
1. General
_______
A. This procedure has two tasks. The first task removes the utility bus relay from the airplane. The second task installs the utility bus relay on the airplane.
TASK 24-51-02-024-001
2. Remove the Utility Bus Relays (Fig. 401)
_____________________________
A. References
(1)
AMM 24-22-00/201, Electrical Power - Control
(2)
AMM 27-61-00/201, Spoiler/Speedbrake
B. Access
(1)
Location Zones
119/120 Main Equipment Center
(2)
Access Panel
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本文鏈接地址：757 AMM 飛機維護手冊 電源 ELECTRICAL POWER 2(90)
