TM 1-1680-320-13&P
0026 00
2. Ensure aircraft position switch is placed in position 1 and 3 for UH-1 and 2 and 4 for UH-60, and boom
position actuator is locked in corresponding position.
3. Ensure "ARROW" on switch assembly cover (3) is positioned in position 1 and release pins are installed in
base plate (1).
4. Remove stud ring (4) by removing bolts (5), washers (6), and nuts (7).
5. Remove two screws (2) securing switch assembly cover (1) and slide cover up boom position support
assembly (3) toward winch assembly.
6. Apply electrical power (28 vdc) and position HOIST PWR switch to ON.
0026 00-4