Operation and Maintenance Manual
Second Edition
32
Maxiton GTJZ
Result: The machine should shut off and no machine
functions should operate.
The ground Emergency Stop
button will stop all machine operation, even if the
B-8 Test the Ground Control
Override
A properly functioning ground control override is
essential to safe machine operation. The ground
control override function is intended to allow ground
personnel to operate the machine from the ground
controls whether or not the Emergency
Stop button on the platform controls is in the ON or
OFF position. This function is particularly useful if the
operator at the platform controls cannot return the
boom to the stowed position.
1 Push in the platform Emergency Stop button to
the OFF position.
2 Start the machine from the ground controls.
3 Operate each boom function through a partial
cycle.
Result: All boom functions should operate.
B-9 Test the Safety Envelope
Testing the machine safety envelope is critical to safe
machine operation. If the boom is allowed to operate
when a safety switch is not functioning correctly, the
machine stability is compromised and may tip over.
1 Machine not Level sensor
Machine not Level exceed 3
°
, the alarm sound and
the boom is not raise.
2
Machine can’t into uneven groud when it is
working.Not before the ground into arms frame to
pack up.
B-10 Test the Horn
A functional horn is essential to safe machine
operation. The horn is activated at the platform controls
and sounds at the ground as a warning to ground
personnel. An improperly functioning horn will prevent
the operator from alerting ground personnel of hazards
or unsafe conditions.
1 Turn the key switch to platform control and pull out
the Emergency Stop button to the ON position at
both the ground and platform controls.
2 Push down the horn button at the platform controls.
Result: The horn should sound.
If necessary, the horn can be
adjusted to obtain the loudest volume by turning the
adjustment screw near the wire terminals on the horn.
B-12 Test machine high and low
speed’s options
Proper execution of the high and low speed’s options is
critical for proper and safe operation. Low speed (turtle
sign) option allows the operator to operate the boom
and / or drive functions at the same time. This button
remains at the low speed option.
High speed (rabbit symbol) option should be used
when the machine is operating normally. This selection
button activates high speed option.
1. Rotate the selector switch to the ground controller. 2.
Let the emergency stop switches to the "ON" position
of the ground and the platform controllers.
3.Start the machine from the ground controller.
4.Pull the selection button
Result: The machine becomes high speed condition
5 Pull the selection button again
