Genie TMZ-50/30 Service Manual page 90

Section 4 • Repair Procedures
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GROUND CONTROLS
9 Connect the wire harness to the level sensor.
10 Tighten the level sensor adjusting fasteners
until the bubble in the top of the level sensor is
centered in the calibration circles.
11 Turn the key switch to ground control.
Adjust the side-to-side axis:
12 Set a multimeter to read DC voltage.
13 Without disconnecting the wire harness from
the level sensor, connect the negative lead of
the multimeter to the black wire at the level
sensor.
14 Without disconnecting the wire harness from
the level sensor, connect the positive lead of
the multimeter to the yellow wire at the level
sensor.
15 Adjust the "Y" axis (side-to-side) to 2.5V DC.
Tap the top of the level sensor lightly with
fingers after each turn of an adjusting nut.
Tip-over hazard. Do not adjust the
potentiometers on the bottom of
the level sensor or calibrate the
level sensor other than specified in
this procedure. Failure to calibrate
the tilt level sensor as instructed
will cause the machine to tip over
resulting in death or serious injury.
Be sure there are threads showing
through the top of each adjusting
nut.
16 Disconnect the positive lead.
Adjust the front-to-back axis:
17 Without disconnecting the wire harness from
the level sensor, connect the positive lead of
the multimeter to the blue wire at the level
sensor.
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18 Adjust the "X" axis (front-to-back) to 2.5V DC.
Tap the top of the level sensor lightly with
fingers after each turn of an adjusting nut.
Tip-over hazard. Do not adjust the
potentiometers on the bottom of
the level sensor or calibrate the
level sensor other than specified in
this procedure. Failure to calibrate
the tilt level sensor as instructed
will cause the machine to tip over
resulting in death or serious injury.
Be sure there are threads showing
through the top of each adjusting
nut.
19 Disconnect the positive and negative leads.
20 Apply Sentry Seal to the adjusting nuts.
Test the machine:
21 Raise the primary, secondary and jib booms
approximately 12 inches / 30 cm.
Result: The tilt sensor alarm should not sound.
22 Press down one side of the tilt sensor and place
the tilt sensor test tool under one of the posts.
Result: The alarm, located in the platform,
should sound at 180 beeps per minute after 1
second. The interlock display light should flash.
23 Test all machine functions.
Result: The primary boom up, secondary boom
up, jib boom up and boom extend functions
should not operate. The primary boom down,
secondary boom down, jib boom down, boom
retract and turntable rotate functions should
operate normally.
24 Turn the key switch to platform control.
25 Test all machine functions.
Result: The primary boom up, secondary boom
up, jib boom up and boom extend functions
should not operate. The primary boom down,
secondary boom down, jib boom down, boom
retract and turntable rotate functions should
operate normally.
TMZ-50/30
June 2005
REV B
Part No. 65162