Mec MME25 - Test Steering; Test Drive and Braking; Test Elevated Drive Speed; Test Tilt Sensor Operation

Page 21 Mast Series - Operator’s Manual
April 2021Section 7 - Function Tests
Test the Steering
Note: When performing the steer and drive function tests, stand in the platform towards the entry
gate facing the steer end of the machine.
Press the drive function select switch. The indicator light should turn on.
Press and hold the function enable switch on the control handle.
Depress the thumb rocker switch on top of the control handle in the direction identified by the
blue left arrow on the control panel.
Result: The steer wheels should turn in the direction that the blue left arrow points on the
control panel.
Depress the thumb rocker switch in the direction identified by the yellow right arrow on the
control panel.
Result: The steer wheels should turn in the direction that the yellow right arrow points on the
control panel.
Test Drive and Braking
Press the drive function select button. The indicator light should turn on.
Press and hold the function enable switch on the control handle.
Slowly move the control handle in the direction indicated by the blue arrow on the control panel
until the machine begins to move, then return the handle to the center position.
Result: The machine should move in the direction that the blue arrow points on the control
panel, then come to stop.
Press and hold the function enable switch on the control handle.
Slowly move the control handle in the direction indicated by the yellow arrow on the control
panel until the machine begins to move, then return the handle to the center position.
Result: The machine should move in the direction that the yellow arrow points on the control
panel, then come to stop.
Note: The brakes must be able to hold the machine on any slope that is able to climb.
Test Elevated Drive Speed
Press the lift function select button. The indicator light should turn on. Press and hold the
function enable switch. Raise the platform approximately 6 ft / 2 m from the ground.
Result: The pothole guards should deploy.
Press the drive function select button. The indicator light should turn on.
Press and hold the function enable switch on the control handle. Slowly move the control handle
to the full drive position.
Result: The maximum achievable drive speed with the platform raised should not exceed 1
ft/s (30 cm/s).
Result: If the drive speed with the platform raised exceeds 0.98 ft/s (30 cm/s), immediately
tag and remove the machine from service.
Test the Tilt Sensor Operation
Note: Perform this test from the ground with the platform controller. Do not stand in the platform.
Fully lower the platform.
Place a 1
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4
×4 in / 3×10 cm or similar piece of wood under both wheels on one side and drive the
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