TM 9--2350--292--20--2
0643 00--2
AUXILIARY POWER UNIT WIRING HARNESS 3W704 REPLACEMENT (HATZ)
-- CONTINUED
0643 00
Installation
1. Position wiring harness 3W704 (7) on APU assembly.
2. Connect wiring harness 3W704 wire 493 (5) at wire junction of lead assembly 3W705 (6) for high air temperature
switch.
3. Connect wiring harness 3W704 wire 420A (3) to low oil pressure switch (4) terminal.
4. Connect wiring harness 3W704 wire 420 (1) to oil pressure sending unit (2) terminal.
5. Apply adhesive to all exposed electrical terminals.
1
2
6
5
7
4
3
NOTE
FOLLOW--ON MAINTENANCE:
Install APU cover (WP 0413 00)
Connect battery power (WP 0256 00)
END OF TASK
