How To Calibrate The Primary Boom Angle Sensor - Genie Z-80/60 Service And Repair Manual

September 2016
How to C alibr ate the Pri mar y Boom Angle Sensor
How to Calibrate the Primary
Boom Angle Sensor
Note: Perform this procedure on a firm, level
surface with the boom in the stowed position.
Note: A digital level will be required to perform this
procedure.
Note: Use the following chart to identify the
description of each LCD screen control button used
in this procedure.
Plus Minus
1 Pull out the red Emergency Stop button at the
platform controls. From the ground control box,
turn the key switch to ground control and pull
out the red Emergency Stop button while
holding the enter button (3 or 4 seconds) until
the engine symbol appears on the display at
the ground control box, then release.
2 Enter sensor calibration mode by pressing the
buttons at the ground controls in the following
sequence: (plus)(enter)(enter)(plus).
3 Press the previous button until reset primary
boom angle sensor is shown on the display.
4 Press the plus button to select YES, then
press the enter button to accept.
5 Press the previous button until EXIT is shown
on the display. Press the plus button to select
YES, then press and hold the enter button to
accept.
Result: The alarm should sound.
Result: The alarm does not sound. Repeat this
procedure beginning with step 1.
Part No. 1268556
Previous Enter
Boom Components
6 Loosen the Primary Boom Angle Sensor
(PBAS) assembly bracket fasteners attached
to the primary boom. Loosen the wing nut and
hex nut on the threaded rod to allow the
threaded rod to move upward. Tighten the
fasteners.
7 Set a digital level on top of the primary boom
mast on a level part of the tube so it is viewable
from the ground controls.
8 Start the engine.
9 Raise the boom until the digital level displays
70°.
10 Loosen the wing nut from threaded rod and
move the threaded rod down until the engine
turns off.
11 Screw threaded rod into clevis yoke. Tighten
the wing nut to welded bracket. Tighten the
jam nut to welded bracket. Tighten the PBAS
fasteners to boom.
Result: The ground control box display should
read P9B & P11 fault.
12 Push in the red Emergency Stop button to the
off position. Wait until display turns off before
proceeding.
13 Pull out the red Emergency Stop button while
holding the enter button (3 or 4 seconds) until
the engine symbol appears on the display at
the ground control box, then release.
14 Enter sensor calibration mode by pressing the
buttons at the ground controls in the following
sequence: (plus)(enter)(enter)(plus).
15 Press the previous button until PRIMARY
BOOM ANGLE = 70° is shown on the display.
16 Press the plus button to select YES, then
press the enter button to accept.
Service and Repair Manual
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