(2)
AMM 27-61-00/201, Spoiler/Speedbrake Control System
B. Access
(1)
Location Zones
119/120 Main Equipment Center
(2)
Access Panels
119BL Main Equipment Center Access
C. Prepare for the Removal
S 044-002
WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES WHEN
_______ HYDRAULIC POWER IS SUPPLIED. AILERONS, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS AND STABILIZER ARE FULLY POWERED SURFACES. INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
(1)
Do the deactivation procedure for the spoilers (AMM 27-61-00/201) or move all persons and equipment away from the spoilers.
(2)
Remove electrical power (AMM 24-22-00/201).
(3)
Do these steps to remove the contactor:
S 864-003
S 024-005
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
APU/EXTERNAL POWER PANEL, P34
SEE A
MAIN EQUIPMENT CENTER
POWER TERMINAL NUT
EXTERNAL PHASE
POWER LEAD
CONTACTOR,
K114
SEE B
APU/EXTERNAL POWER PANEL, P34 EXTERNAL POWER CONTACTOR, K114
A B
External Power Contactor Installation
Figure 401
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
WARNING: REMOVE ELECTRICAL POWER FROM THE AIRPLANE BEFORE YOU DO
_______ WORK IN THE APU/EXTERNAL POWER PANEL, P34. VOLTAGE LEVELS IN THE PANEL CAN CAUSE INJURY TO PERSONS.
(a)
Open the APU/external power panel, P34.
(b)
Remove the electrical connector from the contactor.
(c)
Identify the phase leads on the contactor for the installation.
(d)
Remove the phase leads from the contactor.
(e)
Remove the four screws that hold the contactor.
(f)
Remove the contactor.
TASK 24-41-01-404-006
3. Install the External Power Contactor (Fig. 401)
____________________________________
A. References
(1)
AMM 24-22-00/201, Electrical Power - Control
(2)
AMM 27-61-00/201, Spoiler/Speedbrake Control System
B. Access
(1)
Location Zones
119/120 Main Equipment Center
211/212 Flight Compartment
(2)
Access Panel
119BL Main Equipment Center Access
C. Install the External Power Contactor
S 424-007
(1) Do these steps to install the contactor:
(a)
Put the contactor in position in the APU/external power panel, P34.
(b)
Install the four screws that hold the contactor.
CAUTION: MAKE SURE YOU CONNECT THE PHASE LEADS TO THE CONTACTOR
_______ CORRECTLY. A SYSTEM MALFUNCTION AND EQUIPMENT DAMAGE CAN OCCUR IF YOU DO NOT CONNECT THE PHASE LEADS CORRECTLY.
(c)
Connect the phase leads to the terminals on the contactor and tighten the nuts to 170-190 pound-inches.
(d)
Connect the electrical connector to the contactor.
(e)
Close the APU/external power panel, P34.
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