Service Manual Instruction Manual

SECTION 6 - JLG CONTROL SYSTEM
3121171 – JLG Lift – 6-65
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 tar-
get 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 analyzer
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.