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LADDER CONTROLLER DOUBLE ACTING
APN 9111
Ladder Controllers

Ladder Lighting Controller (Part No. 2976 & 0834)

The Muirhead® Ladder Lighting Controller is designed to limit injuries when climbing and descending machine ladders. The lighting allows the operator to clearly see the ladder rungs as they board and exit their machine. The system allows the operator to turn on the ladder lights from either the cabin or ground position prior to exiting or boarding the machine.

Once the ladder lights have been illuminated, they will turn off after a pre-set time to minimise power consumption. The time delay for turning off the ladder lights can be adjusted between 1, 2, 4 and 8 minutes.

Docking Ladder Controller (Part No. 9037)

The Muirhead® Docking Ladder Control (Part No. 9037) has been designed to provide electrical operation of a machine’s docking type boarding ladder (often found on dozers). The unit will allow the ladder to be lowered when the machine is stationary with the park brake applied. It features automatic operation of the ladder raise control if the ladder is down and the operator releases the park brake.

The docking ladder control has maximum time cycles for both raise and lower functions that will stop excessive run times damaging components or draining batteries. The ladder time cycle will start by the operation of the spring return toggle switch that allows the operator to control a raise or lower function as required.

The docking ladder control also incorporates an internal sonar unit which alerts the operator when a raise or lower time cycle is complete or if a condition is not met and a fault has occurred. An output is provided for an external ladder access lamp which will become active for 45 seconds whenever the ladder raise/lower switch on the controller is activated.

Double Acting Ladder Controller (Part No. 9111)

The Muirhead® Double Acting Ladder Control unit has been designed to provide electrical control of a machine’s boarding ladder.

The ladder control unit will allow the ladder to be lowered when the machine is stationary with the park brake applied. It features automatic operation of ‘the ladder raise control’ if the ladder is down and the operator releases the park brake.

The ladder controller has maximum time cycles for both raise and lower functions that will stop excessive run times damaging components or draining batteries. The ladder time cycle will start by means of the operation of the spring return toggle switch that allows the operator to control a raise or lower function as required. The ladder controller also incorporates an internal sonar unit which alerts the operator when a raise or lower time cycle is active or if a condition is not met and a fault has occurred.

A ladder access lamp will illuminate for 45 seconds whenever the ladder raise/lower switch is toggled in either direction.

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