Page 190 December 2007
Telescopic Boom Series
Models SJ61T & SJ66T
194312
Section 5 - ProceduresService and Maintenance
Red LED
Green LED
b. Both LEDs will ash.
IMPORTANT
Step “c” must be completed within
a 5 second period or the switch will
automatically exit program mode and
return to normal operation using previously
stored data.
c. Press and release set up button 3 times.
d. If 5 second period has expired prior
completion, repeat Step “a”, “b” and “c”.
Red LED
Green LED
e. Observe program
delay / stabilization
time. (Only the red
LED will blink for 4
seconds)
Red LED
Green LED
f. Both LEDs will
flash for 1 second.
Results: The switch is
learning the new zero
position.
Red LED
Green LED
g. Both LEDs will turn
on solid for 1 second.
Results: The new
zero position has been
learned.
h. The green LED will flash and then the
red LED will turn on solid for 2 seconds.
Results: The switch is verifying the new zero
position.
Red LED
Green LED
Red LED
Green LED
i. The green LED will turn on solid.
Results: The switch is ready for normal
operation.
Red LED
Green LED
9. Turn main disconnect switch to “ ” off position.
10. Push in “ ” emergency stop buttons.
11. Remove chock or wheel blocks.
12. Proceed to Test and Verify Tilt Circuit - Telescopic
Booms.
Test and Verify Tilt Circuit
Red LED
Green LED
Light Indicators
Set up button is located on this
face next to harness
Operations of Tilt Switch
The following describes the LED’s and what they in-
dicate.
Green LED
Illuminated whenever both tilt
axes are within the specified
degrees of the zero/ home
learned position.
Flashes when transitioning in or
out of tilt angle limits, but built in
time delay has not fully occurred.
Red LED
Illuminated whenever tilt on one
or more axes is more than the
specied degrees out from the
zero/ home position.
Green & Red LED
On together, no blinking when
fault detected.
Tilt Circuit Test
1. Refer to Section 2 for test tilt sensor procedure.
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