Maintenance Manual
March 2022
Quarterly Maintenance Procedures
96
S
®
Booms • Z
®
Booms
Part No. 1268489GT
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.
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.
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.
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.
Summary of Contents for Genie Lift Guard S-40
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