Part No. 43063
Genie Z-30/20
4 - 5
Service Manual - Third Edition
Section 4 - Scheduled Maintenance Procedures
TABLE
A
PROCEDURES
A-9
Test the Manual Controls
Detection of manual control system malfunctions
is essential for safe machine operation. An unsafe
working condition exists if the manual controls do
not operate in the event of a main power loss.
1 Remove the function manifold side turntable
cover.
2 Insert the T-handle into the end of the valve
spool to be tested.
3 Push and hold the T-handle against the valve
spool, operate the hand pump.
Result: Boom function should operate.
4 Repeat steps 2 and 3 to test each boom
function.
Manual controls will not operate
the drive function.
A-8
Test the Tilt Sensor
The tilt sensor sounds an alarm in the platform
when the incline of the drive chassis exceeds
4.5 degrees.
Select a level test area. The tilt
alarm should not be sounding
prior to test.
1 Turn the key switch to platform control and lift
the red Emergency Stop switch cover and
move the toggle switch to the
ON
position at the
ground controls. Pull out the Emergency Stop
Button to the
ON
position at the platform
controls.
2 Remove the function manifold side turntable
cover and press down on one side of the tilt
sensor.
Result: After a 1.5 second delay, the alarm in
the platform should sound.