TM 1-1680-320-13&P
0008 00
CABLE CUTTER
1. Connect a 28 vdc light to cable cutter Cartridge Activating Device (CAD) cannon plug at boomhead.
2. Operate CABLE CUT switch at operators control panel and pilots rescue hoist control panel positions (UH-
60) and verify that the light comes on.
COOLING FAN
1. Apply 28 vdc across pins A and B of connector J1.
2. Audibly check cooling fan motor for operation. The fan shall produce a high-pitched whine.
BOOM OVER-TORQUE LIMIT SWITCHES
1. Check for continuity between pins C and H of connector J5 for the counterclockwise limit switch.
2. Check for continuity between pins D and E of connector J5 for the clockwise limit switch.
BOOM MOTOR ASSEMBLY
1. Ensure reaction plate and aircraft position switch are positioned properly.
2. Check for continuity between pins K and M of connector J5.
3. Check for continuity between pins L and M of connector J5.
LOWER LIMIT SWITCH (205 DEGREE ROTATION)
1. Ensure reaction plate and aircraft position switch are positioned properly.
2. Check for continuity between pins K and M of connector J5.
3. Check for continuity between pins L and M of connector J5.
WINCH TEMPERATURE SENSOR
1. Disconnect connector J6 from control panel.
2. Check for continuity between pins E and F of connector J6.
CONTROL PENDANT BOOM IN/OUT SWITCH
1. Disconnect connector from control pendant.
2. Position the BOOM IN/OUT switch to OUT and check for continuity between pins A and B of pendant
connector.
3. Position the BOOM IN/OUT switch to IN and check for continuity between pins A and C of pendant connector.
UP-LIMIT SWITCH
1. Disconnect connector J6 from control panel. Ensure hook is not against boomhead actuator.
2. Check for continuity between pins A and B of connector J6.
HOIST INPUT POWER
1. Disconnect connector J1 from control panel.
2. Check for 28 vdc between pins A, C, and J and B(-) of connector J1.
3. Check for 28 vdc between pins G, C, and S and B(-) of connector J1.
0008 00-4
