JLG 1250AJP Service Manual - Manual (Page 489)

SECTION 6 - JLG CONTROL SYSTEM
3121171 – JLG Lift – 6-57
reading at which the main boom transport angle
limit switch is tripped (see position 6 for use of this
value). The analyzer will display “CAL FAILED” and
“MAIN ANGL FAULT” if the uncalibrated main boom
angle sensors read more than 30 (ref tower) before
the main boom transport angle limit switch is
tripped.
2. After the operator presses the ENTER key , the
Control System will verify the main boom transport
angle limit switch has changed state, otherwise, the
analyzer will display “CAL FAILED” on the top line
and “MAIN UP TO STOP” on the bottom line each
time the ENTER key is pressed and the switch
has not changed state. The analyzer will display
“CALIBRATING…”on the bottom line and the Con-
trol System will record left tower angle 2, right tower
angle 2 and chassis tilt sensor values
Step 3 - Position 3
1. After completing the previous step, the analyzer will
read:
The Control System will disable all functions except
auto platform level and swing.
Swing turntable 180° - The turntable MUST be cen-
tered over opposite end of chassis