Test The Safety Envelope And Circuits - Z-80/60; Test The Safety Envelope And Circuits - Genie Z Series Maintenance Manual

April 2018
Q-31
Test the Safety Envelope and
Circuits - Z-80/60
Genie specifications require that this procedure be
performed quarterly.
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. For limit switch and angle sensor
information, Refer to appropriate Service and
Repair Manual for your machine.
Note: Use the following chart to identify the
description of each LCD screen control button used
in this procedure.
Plus Minus
Secondary Boom #1 Angle Safety Limit Switch,
LSS2AS
1 Turn the key switch to ground control and pull
out the red Emergency Stop button to the on
position at both ground and platform controls.
2 Start the engine from the ground controls.
3 Press the (plus)(minus) buttons on the LCD
screen to activate status mode.
4 Press the enter or previous button on the
LCD screen until secondary boom length is
displayed.
5 Fully raise the secondary boom and extend
the secondary boom approximately 2 feet / 61
cm.
6 Remove the fasteners from the turntable riser
cover at the platform end of the secondary
boom. Remove the cover.
Part No. 1268489GT
Quarterly Maintenance Procedures
Previous Enter
S ® Booms • Z
7 Locate the Deutsch connectors from the
secondary safety retract switch (LSS1RS)
near the chassis at the platform end of the
secondary boom. The connection will be
marked with yellow zip ties on the wire
assembly. Disconnect the connectors.
8 Locate the Deutsch connectors from the
secondary boom #1 retract operational limit
switch (LSS1RO) at the end of the secondary
boom.The connection will be marked with red
zip ties on the wire assembly. Disconnect the
connectors.
9 Install a wire jumper between pin 1 and pin 2
of the Deutsch connector on the wire harness
removed in step 8.
10 Install a second wire jumper between pin 3
and pin 4 of the Deutsch connector on the wire
harness.
Result: The display should show = 0FT.
11 Press and hold the high speed function enable
button and lower the secondary boom.
Result: The secondary boom should lower to
60° and the engine should stop.
Result: If the engine does not stop at 60° and
the secondary boom continues to lower, the
secondary boom #2 angle safety limit switch
(LSS2AS) is out of adjustment or the wiring
circuit is faulty and will need to be replaced or
repaired. Immediately remove the machine
from service until repairs are made.
Bodily injury hazard. If the
secondary boom lowers to less
than 60° without stopping the
engine, stop immediately and
raise the secondary boom above
60°. Failure to raise the
secondary boom could result in
death or serious injury.
® Booms
Maintenance Manual
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