ESP 19
Upper Control Box
The upper control box, Figure 3-2, is in the lift cage. The upper control box enables lift
and travel operations whenever the
BATTERY ON/OFF switch is in the ON position and the
lower control box key switch is in the
UPPER CONTROL position.
Upper control box controls include four pushbuttons and a forward/reverse floor-travel
joystick with thumb-switch steering.
TRAVEL
JOYSTICK
STEERING
THUMB
SWITCH
ENABLE
PUSHBUTTONS
EMERGENCY
STOP
PUSHBUTTON
UP
PUSHBUTTON
DOWN
PUSHBUTTON
Figure 3-2. Upper Control Box
Press and hold either one of the
ENABLE pushbuttons to enable a control function. An
ENABLE pushbutton must be pressed to enable the lift, steering, and travel functions. The
ENABLE pushbutton must be held down to continue the equipment function.
With one of the
ENABLE pushbuttons depressed, press the UP [] pushbutton to raise the
platform or press the
DOWN [
] pushbutton to lower the platform.
With one of the
ENABLE pushbuttons depressed, move the travel joystick forward or back
to move the lift vehicle in the forward or reverse direction. For slow speeds, move the
joystick forward or back just a little. For faster speeds, move the joystick more.
With one of the
ENABLE pushbuttons depressed, press the left or right side of the thumb
switch to steer the rear wheels to the left or right. The steering can be adjusted before or
during floor travel.
Press the
EMERGENCY STOP button to stop all equipment motion. If the lift vehicle is
moving forward or back, a travel brake is applied causing travel to stop. To resume lift
vehicle operations, turn
EMERGENCY STOP button clockwise.
3-2
