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SYSTEM FUNCTION INSPECTION
Refer to Figure 1 and Figure 2 for the locations of various controls and indicators.
W A R N I N G
!
STAND CLEAR of the work platform while performing the following checks.
Before operating the machine, survey the work area for surface hazards such as holes, drop-offs,
bumps and debris.
Check in ALL directions, including above the work platform, for obstructions and electrical conductors.
Protect the control console cable from possible damage while performing checks.
1. Move the machine, if necessary, to an unobstructed area to allow for full elevation.
2. Turn the Chassis and Platform Emergency Stop Switches ON by twisting and pulling the buttons out.
3. Check Level Sensor operation:
a. Position the machine off of level by more than 2°.
b. Raise the Platform using the Chassis Controls.
•
The alarm should sound, and the platform
should not lift more than 500mm.
4. Lower the platform by pushing the Chassis
Lift Switch to DOWN while holding the enable
switch on, and check the operation of the audible
lowering alarm.
5. Level the Machine.
6. Push the Chassis Lift Switch to the UP position
while holding the enable switch on and fully
elevate the platform.
7. Visually inspect the mast assembly for damage
or erratic operation. Check for missing or loose
parts.
8. Verify that the depression mechanism supports have rotated into position under the machine.
9. Check the Chassis Emergency Lowering Valve for proper operation (see Figure 4):
a. Open the valve by pulling the knob out.
b. Once the platform is fully lowered, close the valve by releasing the knob.
10. Push the Chassis Emergency Stop Switch down to the OFF position. All machine functions should be
disabled. Pull out the Chassis Emergency Stop Switch to resume.
11. Turn the Key Switch to Platform Control and Mount the platform.
12. Check that the route is clear of persons, obstructions, holes and drop-offs, is level and capable of
supporting the wheel loads.
13. After mounting platform, lower the bar across the entrance.
14. Select Drive mode.
15. While depressing the Joystick Interlock Switch, slowly position the Joystick to FORWARD then
REVERSE to check for speed and directional control. The farther you push or pull the Joystick from
center the faster the machine will travel.
16. Push the Steering Switch RIGHT then LEFT to check for steering control.
17. Push the Platform Emergency Stop Switch down to the OFF position. All machine functions should be
disabled. Pull out the Platform Emergency Stop Switch to resume.
Operation Manual
!
Level Sensor
System Function Inspection
Figure 3: Level Sensor Location
Page 6
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