JLG 1850SJ Service And Maintenance Manual page 521

FOR THE FOLLOWING STEP, ELEVATE THE BOOM UNTIL IT STOPS IN ORDER TO
CORRECTLY CALIBRATE THE MAIN LIFT ENABLE CRACKPOINT.
14. At the Ground Controls, press
and hold the Lift Up toggle
switch until the engine goes to
idle speed (lift should not be
moving), then press ENTER
. Release the Lift Up tog-
gle switch.
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SECTION 6 - JLG CONTROL SYSTEM
15. At the Ground Controls, press
and hold the Lift Down toggle
switch until the function starts
moving, then press ENTER
. Release the Lift Down
toggle switch.
16. This completes the Main Lift Enable crackpoint proce-
dure. Press ESC to return to the calibrations menu.
17. The crackpoint setting procedure for Main Lift Up and
Down is complete. Press ESC to exit calibrations.
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