JLG 1850SJ Service And Maintenance Manual page 377

8. Enter code 58237 and Press ENTER
should read SERVICE MODE: JIB & SWING AND JIB LEVEL.
9. Press ENTER again. The screen will read JIB LEVEL
OVERRIDE: OFF. Use the UP
keys to toggle the override from Off to On.
NOTE: Using this override may set the Jib Leveling System Fault,
depending upon how far out of level the jib is moved.
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SECTION 5 - BASIC HYDRAULIC INFORMATION & HYDRAULIC SCHEMATICS
. The screen
NOTE: Steps 13 thru 17 are only necessary if the Jib Leveling Sys-
or DOWN arrow
10. Once turned on, operate the Jib Lift Down function. This
will activate the Jib Level Down function.
11. When the cylinder is completely retracted, the pressure
should be 1500 psi. (104bar). CW increases and CCW
decreases setting. Jib level down adjustment is adjacent
to MLA.
12. Make sure to reset Jib override to off after pressure is set,
and cycle machine power.
tem Fault has been set.
13. To adjust the jib back to level, go into override mode for
jib leveling. Turn the override mode to "On" and press
the ESCAPE key until out of the Service Modes
menu.
14. Go to the Diagnostics/Boom Sensors menu. Use the
Right arrow key until reaching the "Jib Level CNTL: Angle
0.0" screen.
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