TM 9--2350--292--20--20643 00--1AUXILIARY POWER UNIT WIRING HARNESS 3W704 REPLACEMENT (HATZ)0643 00THIS WORK PACKAGE COVERS:Removal, InstallationINITIAL SETUP:Tools and Special ToolsGeneral mechanic’s tool kit (item 1, WP 0717 00)Materials/PartsAdhesive (item 102, WP 0716 00)Marker tags (item 49, WP 0716 00)Equipment ConditionsBattery power disconnected (WP 0256 00)APU cover removed (WP 0413 00)RemovalNOTETag all electrical connections and electrical leads prior toremoval to aid in installation.Where applicable, remove adhesive to expose desig-nated electrical terminals.1. Disconnect wiring harness 3W704 wire 420 (1) from oil pressure sending unit (2).2. Disconnect wiring harness 3W704 wire 420A (3) from low oil pressure switch (4).3. Disconnect wiring harness 3W704 wire 493 (5) at wire junction of lead assembly 3W705 (6) for high air tempera-ture switch.4. Remove wiring harness 3W704 (7) from APU assembly.5. Inspect all parts for damage and replace as required.1265743
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