SKYJACK, Page 116
SJRT Compact Series
Engine Powered
5.12 Electronic Tilt Switch Setup
Procedure
Machines that are not equipped with outriggers have
an electronic tilt switch located inside the engine
compartment. During operation, the switch monitors
machine tilt front to back, and side to side. Aerial
platform tilt is measured relative to a learned
zero
position.
The zero position is calibrated using the following
set-up procedure, based on the position of the
machine with the platform leveled and fully lowered.
Two LED indicator lights on the top of the switch
show operating conditions.
Tilt Switch Replacement
Follow this procedure to install and program a new
zero position in a replacement tilt switch.
NOTE
Make sure part number of old and new tilt switch
are the same.
Y AXIS
X AXIS
Figure 01
1.
Park aerial platform on a firm level surface.
2.
Fully lower the platform.
3.
Chock or block wheels to keep the aerial
platform from rolling forward or backward.
4.
Push in emergency stop buttons and turn main
power disconnect switch off.
5.
Disconnect tilt switch from 4 pin connector.
6.
Remove old tilt switch from mount.
7.
Install the new switch in the same orientation
as the old switch. Connect switch plug to 4 pin
connector.
NOTE
The tilt switch circuit is only powered when
controls are powered up.
8.
Turn main power disconnect switch on.
9.
Select Off–Lift–Drive key switch to
Lift
position
or
Drive
position.
10.
Pull out all emergency stop buttons.
11.
Verify switch is powered. The red and green
LED indicator lights should be flashing.
12.
On the back side of the switch, press and
release the Set-up button 3 times.
M62332AA
LED Indicator
Lights
Set-up Button
Figure 02
13.
The red LED then
flashes for 4 seconds
during a
stabilization
period.
14.
Both LEDs then
flash for 1 second,
indicating the switch is
learning the new
zero
position.
15.
When both LEDs are
on continuously, it
indicates the switch
has learned the new
zero position.
Red LED
Green LED
Red LED
Green LED
Red LED
Green LED
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