March 2022
Maintenance Manual
Quarterly Maintenance Procedures
Part No. 1268489GT
S
®
Booms • Z
®
Booms
85
9 Connect the leads from a multimeter with
continuity checking capability to pins 1 and
2 at the Deutsch connector of the limit switch
cable.
Result: The limit switch should not have
continuity.
Result: The limit switch does have continuity.
The limit switch is faulty and needs to be
replaced.
10 Remove the multimeter leads and connect the
Deutsch connector to the limit switch.
11 Start the engine from the ground controls.
12 Extend the secondary boom while visually
inspecting the roller arm of the limit switch.
Continue to extend the boom until the limit
switch arm is released by the limit switch
ramp bracket.
Result: The roller arm of the limit switch
remains centered with the limit switch ramp
bracket through the entire length of travel.
Result: The roller arm of the limit switch does
not remain centered with the limit switch ramp
bracket through the entire length of travel.
Adjust or replace the limit switch ramp bracket
to ensure the limit switch roller arm remains
centered with the limit switch ramp bracket
through the entire length of travel.
Result: The roller arm of the limit switch is
damaged. Replace the limit switch roller arm
or limit switch.
Note: The limit switch ramp bracket is attached to
the number 4 boom tube.
13 Locate and disconnect the Deutsch connector
to LSS1RS.
Result: The alarm should sound.
Result: The LCD screen should display the
message SEC BOOM RETRACTED SAFETY
SWITCH DISCONNECTED FAULT.
Result: The alarm doesn't sound and the LCD
screen doesn't display a Fault message. The
limit switch is faulty and needs to be replaced.
Note: A P30 Power Fault and a P11 Power Fault
will also display as a result of this test.
14 Re-connect the Deutsch connector to
LSS1RS.
Result: The LCD screen displays SEC
LSS1RS FAULT.
Result: The LCD screen doesn't display the
Fault message. The limit switch is faulty and
needs to be replaced.
15 Turn the engine off.
16 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
in that order.
17 Press the
previous
button until clear all
safety switch faults appears.
18 Select YES, then press the
enter
button.
19 Press the
previous
button until EXIT
appears.
20 Select YES, then press the
enter
button.
21 Install the secondary boom end covers.
Summary of Contents for Genie Lift Guard S-40
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