SECTION 2 - PREPARATION AND INSPECTION
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2-7
2.5 FUNCTION CHECK
The function check of all systems should be performed in an
area free of overhead and ground level obstructions. Perform a
function check as follows:
1.
Set up machine for operation according to instruc
-
tions in Section 3, Positioning and Leveling Machine.
2.
Check that front caster wheel locks, when set, stop all
machine rolling movement.
3.
Power up machine. Check that the Emergency Stop
button, located on the base frame, shuts power off
when pressed in.
4.
Check that all ground controls operate properly. Check
that all platform movement stops immediately when
the up or down buttons are released. Check that the
emergency stop button stops all platform movement
when pressed in.
5.
Enter platform check that the platform entry gate
automatically closes.
6.
Check that the platform controls operate properly.
Check that all platform movement stops immediately
when the enable, up, or down buttons are released on
the platform control box. Check that the emergency
stop button stops all platform movement when
pressed in.
7.
Raise and lower platform 2 ft to 3 ft (0.61 m to 0.92 m)
several times. Check for smooth elevation and lower
-
ing of platform.
8.
With the aid of an assistant, check the operation of the
rear wheel auto locking brake mechanism. With the
platform elevated and clear of the chassis, observe the
action of the rear wheel brake, ensure the wheels fully
engage the locking tab weldments above the rear
wheels when the platform is elevated, and is released
when the platform is fully lowered.
9.
To test the Emergency Lowering Valve, raise platform 2
ft to 3 ft (0.61 m to 0.92 m). Open the valve by pulling
out the red knob. Release the knob once the machine
is at its desired height, which closes the valve.
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