Genie Z80/60 Service Manual page 143

June 2011
REV D
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
until the endgine symbol appears on the display
at the ground control box, then release.
Part No. 88619
.
(3 or 4 seconds)
14 Enter sensor calibration mode by pressing the
buttons at the ground controls in the following
sequence:
15 Press the scroll button
= 70° is shown on the display.
ANGLE
16 Press the plus button
press the enter button
17 Press the scroll button
the display. Press the plus button
yes, then press the enter button
18 At the ground controls, use auxiliary power and
lower the boom until the faults are no longer
shown on the display.
Result: The flashing arrow in the display at the
ground controls will turn off.
Result: The flashing arrow in the display at the
ground controls does not turn off. Repeat this
procedure beginning with step 1.
19 Start the engine and activate the primary boom
down function. Release the function enable
button when the digital level displays 40°. Push
in the red Emergency Stop button to the off
position.
20 Pull out the red Emergency Stop button while
holding the enter button
until the endgine symbol appears on the display
at the ground control box, then release.
21 Enter sensor calibration mode by pressing the
buttons at the ground controls in the following
sequence:
Z-80/60
Section 4 • Repair Procedures
BOOM COMPONENTS
.
until
PRIMARY BOOM
to select yes, then
to accept.
until is shown on
EXIT
to select
to accept.
(3 or 4 seconds)
.
4 - 41