90
160XT 180XT 210XT
K23:
CHANGE-OVER RELAY ON THE CHASSIS
Controls the solenoid valve for selecting on the chassis.
Fuse F2 10A.
K24:
CENTRE POSITION ACTIVATION OF THE JOYSTICK
Depressing the dead-man-switch DMK switches off the control voltage from the
spool of the relay K17, which would otherwise disconnect the control voltage of
the micro-switches on the joystick.
K25:
CONTROL RELAY FOR THE 1B-VALVE
Switches the voltage of 12VDC to the selector valve of the boom.
K25B:
CONTROL RELAY FOR THE PR-VALVE
When driving the chassis, switches the voltage of 12VDC directly to the PR-
valve. When driving the boom, the points direct the adjusted current from the
control card to the PR-valve.
K26:
RPM-RELAY
Controls the combustion engine revolutions. Increases the revolutions when the
control movement is active.
Control circuit fuse F9 1,6A (Platform control centre) and F4 10A (Chassis
control centre).
K27:
AUXILIARY RELAY FOR CURRENT SUPPLY TO THE DRIVING DEVICE
The relay is controlled by the limit switch RK3.
Fuse F3 10A.
K28:
CONTROL RELAY FOR THE SOLENOID OF THE EMERGENCY DESCENT
UNIT
Switches on the voltage supply to the emergency descent unit solenoid SR1
Fuse F7 10A.
K29:
PREVENTION OF DUAL CONTROL
The relay is controlled by the emergency descent buttons S11 and S13
Control circuit fuse F7 10A.
K31:
SWITCH-OFF-RELAY FOR THE COMBUSTION ENGINE
Fuse F2 10A.
K32:
SWITCH-OFF-RELAY FOR THE COMBUSTION ENGINE
Fuse F2 10A.
K33:
AUXILIARY STARTING RELAY FOR THE DIESEL ENGINE
K34:
RELAY FOR PREVENTING THE ELECTRIC MOTOR FROM RESTARTING
Prevents the electric motor from starting after the failure in AC power supply by
switching off the control voltage from the control contactor of the motor.
K35:
RELAY FOR PREVENTING THE ELECTRIC MOTOR FROM RESTARTING
Connects the voltage supply to the relay K34, if the voltage in the control circuit
of the contactor is switched off.
K390:
CHANGE-OVER RELAY FOR OPTIONAL FUNCTIONS
When the relay is active, the lifting-lowering movements of the articulated arms
Courtesy of Crane.Market
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