TM 1-1680-320-13&P
HIGH PERFORMANCE RESCUE HOIST ASSEMBLY
DESCRIPTION AND USE OF OPERATOR CONTROLS AND INDICATORS
CONTROLS AND INDICATORS FOR UH-60 (NOT APPLICABLE TO UH-1)
Rescue hoist control panel has all necessary controls for operating hoist from cockpit, and contains system
MASTER switch, controlling ON or OFF for both cockpit and cabin. Hoist will respond to first control signal
received.
NOTE
During hoist operation, over travel of cable assembly may occur in extended
mode of operation after stopping hoist operation in mid-travel. Cable over travel
should not exceed ten feet.
CONTROL/INDICATOR
FUNCTION
Swings hoist boom in or out from cockpit.
BOOM switch
Static position, removes electrical power from hoist boom positioning
OFF
motor.
Provides power to boom motor to position boom inboard from cockpit.
IN
Provides power to boom motor to position boom outboard from cockpit.
OUT
Selects control point for hoist operation.
MASTER switch
Disconnects all electrical power from hoist operating controls.
OFF
Provides power to both cockpit controls and crewman's pendant for hoist
ON
operation.
Provides cable up or down control from cockpit.
CABLE
Static position, removes electrical power from hoist reel motor for cockpit
OFF
operation.
Provides power to hoist reel motor to reel in cable operation from cockpit
UP
at 250 feet-per-minute only.
Provides power to hoist reel motor to reel out cable operation from cockpit
DOWN
at 250 feet-per-minute only.
Selects either TEST or NORM operation.
SQUIB switch
Checks condition of CABLE SHEAR circuit through squib to indicate
TEST
circuit is complete.
Place squib circuit in a ready for fire condition.
NORM
Lights when test of CABLE SHEAR circuit through squib is good.
IND
Controls cable cutter firing circuit.
CABLE SHEAR switch
Directs electrical power to cable cutter squib for shearing hoist cable.
FIRE
Removes electrical power from cable cutter circuit.
SAFE
End of Work Package
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