29-11-40
ALL ú ú 01 Page 404 ú Jan 20/98
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A
757 MAINTENANCE MANUAL
ALTERNATING CURRENT MOTOR PUMP (ACMP) ELECTRICAL LOAD CONTROL UNITS (ELCU) -
__________________________________________________________________________ REMOVAL/INSTALLATION
____________________
1. General_______
A. This procedure has two tasks. One task removes the electrical load control unit (ELCU) for the alternating current motor pumps (ACMP). The other task installs the ELCU.
B. The ELCUs for the right system and the center system (C1) are in the left-generator power panel, P31. The ELCUs for the left system and the center system (C2) are in the right-generator power panel, P32.
TASK 29-11-67-004-001
2. Remove the Electrical Load Control Unit (ELCU) (Fig. 401)______________________________________________
A. References
(1) AMM 24-22-00/201, Electrical Power - Control
B. Access
(1)
Location Zones
119/120 Main Equipment Center
(2)
Access Panel
119BL Main Equipment Center
C. Procedure
S 864-002
WARNING: REMOVE THE ELECTRICAL POWER BEFORE YOU REMOVE OR INSTALL THE
_______ COMPONENTS IN THE MAIN EQUIPMENT CENTER. THE HIGH VOLTAGE IN THE MAIN EQUIPMENT CENTER CAN KILL.
(1)
Remove the electrical power (AMM 24-22-00/201).
S 014-003
(2)
Open the power panel, P31 (P32), for the left (right) generator, to get access to the ELCU you will remove.
(3)
Identify the wires to make it easier to install them.
S 934-004
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29-11-67
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757 MAINTENANCE MANUAL
LEFT GENERATOR POWER PANEL, P31
SEE A
RIGHT GENERATOR
POWER PANEL, P32
SEE B
MAIN EQUIPMENT CENTER ACCESS DOOR, 119BL
MAIN EQUIPMENT CENTER
ELECTRICAL LOAD
ELECTRICAL LOAD CONTROL UNIT (ELCU)
ELECTRICAL LOAD CONTROL UNIT (ELCU) FOR THE ALTERNATING
FOR THE ALTERNATING CONTROL UNIT (ELCU) FOR THE ALTERNATING CURRENT MOTOR PUMP (ACMP) C1 CURRENT MOTOR PUMP (ACMP) IN THE LEFT SYSTEM
CURRENT MOTOR PUMP (ACMP) IN THE CENTER SYSTEM ELECTRICAL LOAD
IN THE RIGHT SYSTEM CONTROL UNIT (ELCU)
FOR THE ALTERNATING
CURRENT MOTOR PUMP (ACMP)
C2 IN THE CENTER SYSTEM
BOLT
BOLT
(EXAMPLE)
(EXAMPLE)
FWD INBD
LEFT GENERATOR POWER PANEL, P31
RIGHT GENERATOR POWER PANEL, P32 A
B
Electrical Load Control Units (ELCU's) Figure 401
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29-11-67
ALL ú ú 01 Page 402 ú Dec 20/90
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757
MAINTENANCE MANUAL
S 034-005
(4)
Remove the wires from the terminals on the ELCU.
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