JLG 1250AJP Service Manual - Manual (Page 484)

SECTION 6 - JLG CONTROL SYSTEM
6-52 – JLG Lift – 3121171
3. Pull out the Emergency Stop switch and start the
engine.
4. The analyzer screen should read:
5. Use the arrow button to reach ACCESS LEVEL 2. Hit
Enter.
6. Enter the Access Code, 33271.
7. Go to the CALIBRATIONS menu and hit ENTER.
8. Go to the BASKET U CRKPT Screen. Hit ENTER.
9. CALIBRATE? prompt should appear. Hit ENTER
again.
10. You will hear engine go to 1800 rpm.
11. Using UP ARROW, increase the value until you see
the basket up movement.
12. Hit ENTER again. CAL. COMPLETE message
should appear
13. Engine should again return to idle.
14. Hit ESC should return to BASKET U CRKPT screen.
15. Hit RIGHT ARROW to get to the “BASKET D CRKPT”
screen. Hit ENTER.
16. CALIBRATE? prompt should appear. Hit ENTER
again.
17. You will hear engine go to 1800 rpm.
Using UP ARROW, increase the value until you see the
basket down movement.
Hit ENTER again. CAL. COMPLETE message should
appear
Engine should again return to idle.
Hit ESC to exit.
Cycle power to the machine.
6.16 CALIBRATING TILT SENSOR
A NEW TILT MODULE WILL ACT AS IF IT IS TILTED ALL OF THE
TIME UNTIL THE FOLLOWING PROCEDURE IS PERFORMED.
DO NOT CALIBRATE THE LEVEL SENSOR EXCEPT ON A LEVEL
SURFACE.
1. Use the following procedure to calibrate the tilt sen-
sor.
Before the tilt sensor can be calibrated, the following
conditions must be met:
a. Steering previously calibrated.
b. Axles extended.
c. Wheels straight.
d. Turntable centered.
e. Boom fully retracted.
f. Boom angle is less than 45°.
g. Machine on firm, level ground.