Genie Z Series Maintenance Manual page 102

Maintenance Manual
Quarterly Maintenance Procedures
76 feet / 23.2 m Length Safety Switch, LSB4ES:
40 Disconnect the 75 feet / 22.9 m safety switch
LSB3EO.
41 Start the engine and activate the function
enable/high RPM button and extend the boom
to 76 feet / 23.2 m.
Result: The engine should stop and the boom
extend function should be disabled.
Result: If the engine does not stop and the
boom continues to extend, the LSB4ES switch
is out of adjustment or the wiring circuit is
faulty and will need to be replaced or repaired.
Bodily injury hazard. If the boom
extends to more than 76 feet/ 23.2
m without stopping the engine,
stop immediately and retract the
boom until the boom is extended
to less than 75 feet / 22.9 m.
Failure to retract the boom could
result in death or serious injury.
42 Using emergency power, retract the boom
until the boom is extended to less than 75 feet
/ 22.9 m.
43 Re-connect the harness plug to LSB3EO.
44 With the key switch off, press and hold the
enter button and turn the key switch to the on
position. Release the enter button after five
seconds and press the
(minus)(minus)(previous)(previous)
buttons.
45 Press the previous button until clear all safety
switch faults appears.
46 Select YES, then press the enter button.
47 Press the previous button until exit appears.
48 Select YES, then press the enter button.
90
Cable Break Safety Switch, LSB6S:
49 Start the engine and activate the function
enable/high RPM button and retract the boom
until the boom is extended to less than 2 feet /
0.6 m.
50 Remove the boom end cover from the pivot
end of the boom.
51 Remove the arm from the cable break limit
switch LSB6S.
Note: LSB6S is located at the end of the boom
tubes at the pivot end of the boom.
52 Place the arm removed in step 51 back on the
LSB6S switch 180° opposite its original
position. Rotate the head of the switch 45°
clockwise and activate the function
enable/high RPM button and attempt to
extend the boom.
Result: The boom extend function should be
disabled.
Result: If the boom extends, the LSB6S switch
or wiring circuit is faulty and will need to be
replaced or repaired.
53 Activate the function enable/high RPM button
and attempt to retract the boom.
Result: The boom retract function should be
enabled.
Result: If the boom does not retract, the
LSB6S switch or wiring circuit is faulty and will
need to replaced or repaired.
S ® Booms • Z ® Booms
Bodily injury hazard. If the boom
extends at all, stop immediately
and retract the boom until the
boom is extended to less than 2
feet / 0.6 m. Failure to retract the
boom could result in death or
serious injury.
Part No. 1268489GT
April 2018