2-27
EMERGENCY STOP SWITCH:
A two-position push button switch located on the top, left-hand side of the dash panel is
designed to stop the engine and shutdown the control system. Push switch in to disconnect
power to the engine run circuit and control system circuit. Twist and pull to restore power.
ARM FUNCTION BUTTON:
On the 15-button panel there is an ARM button that must be engaged before the pilot
joysticks will function. This protects against inadvertent movement of the joystick while not
intending to move the crane. The crane will not move if the ARM function button is not
activated. The seat switch must be engaged to arm the machine.
OPERATOR-PRESENT SEAT SWITCH:
An embedded switch inside seat bottom cushion designed to shutdown the hydraulic system
when the operator has left the seat. The engine will stay running.
BATTERY DISCONNECT SWITCH:
A two-position rotary switch designed to disconnect the battery “positive” terminal from the
electrical circuit. It is located inside the right side engine compartment cover. Locking tabs
allow the use of ‘lock-out/tag-out’ if needed for maintenance or repair.
BRAKE PRESSURE WARNING ICON:
An indicator icon is included in the main display to alert the operator when the hydraulic
pressure is low in the accumulators. This system should be checked daily. See Driving the
Vehicle section on page 2-13. If the warning icon shows on the display during normal
operations, stop work and repair the system immediately.
W A R N I N G
Do not bypass safety devices! Each device has a specific purpose and should not be
tampered with. Death, serious injury, or property damage could result from a safety
device that is not functioning.
LOCKING FEATURES:
The RT-400 has several locking features for various covers and compartments. The cab
door can be locked to protect the operator’s compartment. The master battery disconnect
switch can be locked to prevent operation of the machine during maintenance work.
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