Genie TZ-34/20 Service Manual page 69

January 2016
If you are not installing a new level sensor,
proceed to step 10.
Install the level sensor:
6 Tag and disconnect the wire harness from the
tilt level sensor.
7 Remove the three level sensor retaining
fasteners. Remove the level sensor from the
machine.
8 Install the new level sensor onto the machine
with the "X" on the level sensor housing located
as shown in the illustration. Install and tighten
the level sensor retaining fasteners.
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 circles.
Note: Be sure there are threads showing through
the top of the adjusting fasteners.
11 Turn the key switch to ground control and pull
out the red Emergency Stop buttons to the
on position at both the ground and platform
controls.
12 Raise the secondary boom approximately
12 inches / 30 cm.
Result: The tilt sensor alarm should not sound.
13 Using a digital level, lower the tank side of the
machine until the turntable is 2.4° out of level.
Result: The tilt sensor alarm should not sound.
Result: The tilt alarm will sound at 180 beeps
per minute. The level sensor is faulty and must
be replaced. Repeat this procedure beginning
with step 6.
Part No. 825934
14 Continue to lower the tank side of the machine
until the turntable is 2.7° out of level.
Result: The tilt alarm will sound at 180 beeps
per minute.
Result: The tilt alarm does not sound. The level
sensor is faulty and must be replaced. Repeat
this procedure beginning with step 6.
15 Push and hold the yellow function enable
button. Push and hold the auto level button.
Result: The outriggers will lower and adjust to
level the machine and raise the wheels off the
ground. Use the bubble level located below the
ground controls to confi rm that the machine is
level.
16 Using a digital level, lower the ground control
side of the machine until the turntable is 2.4°
out of level.
Result: The tilt sensor alarm should not sound.
Result: The tilt alarm will sound at 180 beeps
per minute. The level sensor is faulty and must
be replaced. Repeat this procedure beginning
with step 6.
17 Continue to lower the ground control side of the
machine until the turntable is 2.7° out of level.
Result: The tilt alarm will sound at 180 beeps
per minute.
Result: The tilt alarm does not sound. The level
sensor is faulty and must be replaced. Repeat
this procedure beginning with step 6.
18 Push and hold the yellow function enable
button. Push and hold the auto level button.
Result: The outriggers will lower and adjust to
level the machine and raise the wheels off the
ground. Use the bubble level located below the
ground controls to confi rm that the machine is
level.
Genie TZ-34/20
Section 4 • Repair Procedures
GROUND CONTROLS
4 - 21