Genie ZX-135/70 Service Manual page 160

August 2014
10 Press the plus button to select YES, then
press the enter button to accept.
11 Place the digital level on top of the secondary
boom and note the angle displayed on the
digital level.
12 At the SECONDARY BOOM ANGLE TO
GRAVITY -3.5DEG screen, press the plus
button or minus button to adjust the display to
the exact value shown on the digital level and
press the enter button.
Note: Be sure the number entered at the ground
controls is a negative number.
Note: If the measured angle already matches the
angle shown on the display at the ground controls,
press the plus button or minus button to change
the angle and then change back to the measured
value. The system must detect a change in
displayed value to record the calibrated value.
13 Start the engine from the ground controls.
Note: If the system exits out of calibration mode
when the engine is started, repeat step 8 and then
continue with step 14.
14 Press and hold a function enable/speed select
button and the secondary boom up button
until the digital level displays approximately
20 degrees.
Part No. 218700
15 At the ground controls, press the plus button
or minus button to adjust the display to the
exact value shown on the digital level and
press the enter button.
Note: If the measured angle already matches the
angle shown on the display at the ground controls,
press the plus button or minus button to change
the angle and then change back to the measured
value. The system must detect a change in
displayed value to record the calibrated value.
16 Press and hold a function enable/speed select
button and the secondary boom up button
until the digital level displays approximately
35 degrees.
17 At the ground controls, press the plus button
or minus button to adjust the display to the
exact value shown on the digital level and
press the enter button.
Note: If the measured angle already matches the
angle shown on the display at the ground controls,
press the plus button or minus button to change
the angle and then change back to the measured
value. The system must detect a change in
displayed value to record the calibrated value.
18 Press and hold a function enable/speed select
button and the secondary boom up button
until the digital level displays approximately
50 degrees.
ZX-135/70
Service Manual
Boom Components
145