Service manual

SKYJACK, Page 7SJIII Series
Section 5 - Procedures Service and Maintenance
5.2-3 Electronic Tilt Switch Setup Procedure
The following information is supplied for replacement
or reprogramming of the electronic tilt switch. Also
included are test and verification instructions. Follow
the appropriate procedures below.
Tilt Switch Replacement
Y AXIS
X AXIS
1. Ensure aerial platform is parked on a firm level
surface.
2. Chock or block wheels to keep the aerial platform
from rolling forward or backward.
3. Lower/Raise the platform and secure the scissors
using the maintenance bar. (Refer to Operating
manual for Maintenance Support Procedure)
4. Push in
emergency stop buttons and turn
main disconnect switch to “ ” off position.
5. Remove any covers to locate and view the tilt
switch.
6. Disconnect tilt switch from 4 pin connector.
7. Remove old tilt switch from mount.
NOTE
Ensure part number of old and new tilt
switch are the same.
8. Install new switch to mount (in the same orientation
as the old switch) and connect switch plug to 4
pin connector.
NOTE
The tilt circuit is only powered when
activating a function.
9. Disconnect all wires #02 from motor contactor.
10. Install jumper wire between #7 and #19 to
terminal strip.
11. Turn main disconnect switch to “
” ON position.
12. Verify switch is powered. (Red or green LED will
be continually blinking)
13. Program the Tilt Switch
Press and release the set up button 3 a.
times.
Observe program delay b.
/ stabilization time.
(Only the red LED will
blink for 4 seconds)
B o t h L E D s w i l l c.
flash for 1 second.
Results: The switch is
learning the new zero
position.
Both LEDs will turn d.
on solid for 1 second.
Results: The new zero
po sition ha s b een
learned.
The green LED will flash and then the e.
red LED will turn on solid for 2 seconds.
Results: The switch is verifying the new
zero position.
T h e g r e e n L E D f.
will turn on solid.
Results: The switch
is ready for normal
operation.
Red LED
Green LED
Red LED
Green LED
Red LED
Green LED
Red LED
Green LED
Red LED
Green LED
Red LED
Green LED
Red LED
Green LED
Red LED
Green LED