JLG 1250AJP Service Manual - Manual (Page 497)

SECTION 6 - JLG CONTROL SYSTEM
3121171 – JLG Lift – 6-65
crack point at which the control system detects
movement of the main boom angle sensors (if
required).
2. After pressing the ENTER key , the Control
System will verify the angle of the main boom
matches the target angle of 15.0 +/- 3.0 (relative to
tower), otherwise, the analyzer will display “CAL
FAILED” on the top line and “MAIN UP TO STOP” or
“MAIN DWN TO STOP” on the bottom line each time
the ENTER key is pressed and the measured
angle does not match the expected angle.
Step 11 - Position 11
1. If the target is reached in the previous step, the ana-
lyzer will read:
The Control System will disallow all functions except
auto platform level and tower lift down.
Lift tower down to min angle
2. After pressing the ENTER key , the Control
System will verify the cylinder angle reading is less
than 5.9, otherwise, the analyzer will display “CAL
FAILED” on the top line and “TWR NOT DWN” on
the bottom line each time the ENTER key is
pressed and the measured angle not less than the
expected angle. If the angle is less than the
expected angle, the analyzer will read:
3. Cycle the emergency stop switch.