JLG 1850SJ Service And Maintenance Manual page 520

SECTION 6 - JLG CONTROL SYSTEM
NOTE: Have an assistant help verify that movement occurs.
11. 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.
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12. This completes the Main Lift Down crackpoint proce-
dure. Press ENTER
13. Press ENTER to calibrate Main Lift Enable crack-
point.
.
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