ELECTROSTATIC SENSITIVE DEVICE
Wire Integration Unit (WIU) Installation Figure 203 (Sheet 1)
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MAINTENANCE MANUAL
WIRE INTEGRATION UNIT (WIU)
WIU SHOWN ROTATED 90`
Wire Integration Unit (WIU) Installation
Figure 203 (Sheet 2)
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MAINTENANCE MANUAL
TYPICAL CONNECTOR
(PANEL NOT SHOWN)
SOCKET
Wire Integration Unit (WIU) Installation
Figure 203 (Sheet 3)
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S 492-043
(5) Attach the ESD wrist strap to the electronic ground receptacle on the WIU rack (Fig. 203).
S 022-044
CAUTION: DO NOT REMOVE THE WIU COVER BEFORE YOU REMOVE THE WIU FROM THE
_______ SHELF. DAMAGE TO THE WIRE WRAP POSTS AND WIRES CAN OCCUR IF YOU REMOVE THE WIU WITHOUT THE COVER. DO NOT PERMIT CONTAMINATION IN THE WIU WHEN THE COVER IS OFF. MAKE SURE THAT YOU KEEP CONTAMINATION OR UNWANTED MATERIAL AWAY FROM THE WIU. MAKE SURE THAT OTHER PEOPLE THAT WORK AROUND THE WIU AREA KEEP UNWANTED MATERIAL OR CONTAMINATION AWAY FROM THE WIU. UNWANTED MATERIAL OR CONTAMINATION CAN CAUSE A MALFUNCTION IN THE WIU.
(6)
Remove bolts that hold the WIU panel to the shelf (View B, Fig. 203).
S 022-045
(7)
Turn the top of the panel aft and down 90° to show the rear of the panel (View C, Fig. 203).
S 032-046
(8)
Remove the electrical bonding jumper from the WIU panel.
S 022-047
(9)
Remove the electrical connector retainer from each end of the connector at all locations (View D, Fig. 203).
S 022-048
(10)
Remove each connector from the panel.
S 012-049
(11)
Remove the panel.
S 092-050
CAUTION: DO NOT TOUCH THE ELECTRICAL CONNECTORS OF AIRPLANE WIRES AFTER
_______ YOU REMOVE THE ESD WRIST STRAP. AN ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE EQUIPMENT.
(12)
Remove the ESD wrist strap from the electrostatic ground receptacle on the WIU rack (Fig. 203).
(13)
Remove the ESD wrist strap from your wrist.
S 092-051
NOTE: Put the ESD wrist strap in one of the empty bags at the
____
ends of the WIU rack.
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TASK 20-41-03-402-052
6. Installation of the WIU on the Airplane (Fig. 203)_______________________________________
A. Access
(1)
Location Zones
117/118 Electronics and Electronics Compartment - Left and Right
(2)
Access Panel
125B Access Door Electronics
B. References
(1)
AMM 24-00-00/001, Electrical Power
(2)
AMM 20-22-01/601, Electrical Bonding
C. Procedure - WIU Installation
S 862-053
CAUTION: REMOVE THE EXTERNAL POWER, ENGINE GENERATOR POWER, APU
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