TM 55-4920-432-13&P
4-40. WIRING HARNESS
4-40
THIS TASK COVERS:
REMOVAL AND INSTALLATION
Initial Set-Up:
Personnel Required:
68F Aircraft Electrician
or
35H TNDE Support Specialist
Tools/Test and Equipment:
Tool kit (B2) or Shop Set (B4)
Material/Parts:
See FO-1 thru FO-3, Heat Shrink (D5) Solder (D8)
Equipment Condition:
Power disconnected, control panel open
1.
REMOVAL
a.
Disconnect rigid pressure line from oil sump to check valve (Task 4-31).
b.
Disconnect wire harness by removing heat shrink and solder from connections, and pull wires from
solder connections. Mechanically fastened wire leads are disconnected by removing associated
hardware (nuts, washers, screws, etc.), or by pulling outward.
c.
After wire leads are disconnected, remove harness from unit.
NOTE
No repair to wires authorized except to replace a wire segment, terminal ends or to resolder
connections as needed.
2.
INSTALLATION:
a.
Install harness (See FO-3).
b.
Solder wire to component leads, using solder (D8) and cover solder connections with heat shrink
tubing (D5). Mechanically fastened wire leads are connected by installing associated hardware
(nuts, washers, screws, etc.) or by pushing inward.
Performance check (para. 2-5)
4-58