Jerr-Dan MPL-60, Operation And Safety Manual, Page: 80 / 98

Section 6 - Maintenance
6-10 5376000278
6.6 UNDERLIFT LEVEL STOP
To change or adjust the factory set positions of the Underlift Level Stop Assist Sys-
tem, follow theses stops:
1. To change the tilt stop, move the sensor on the underlift boom base up, to lower
the boom, and down to raise the boom as shown below.
KNEE BOOM REF
MOVE SENSOR UPWARD TO
LOWER UNDERLIFT GRID;
MOVE DOWNWARD TO RAISE
UNDERLIFT GRID
NOTE:
A GAP OF .125-.1875 MUST BE MAINTAINED
BETWEEN THE SENSOR AND THE BASE BOOM
SIDE PLATE. INTERMITTENT OPERATION WILL
OCCUR IF THE GAP IS NOT MAINTAINED.
BOOM LIFT CYLINDER REF
MOVE SENSOR UPWARD
TO RAISE UNDERLIFT;
DOWN- WARD TO LOWER
UNDERLIFT
NOTE:
A GAP OF .125-.1875 MUST BE MAINTAINED
BETWEEN THE SENSOR AND THE DOUBLER PLATE.
INTERMITTENT OPERATION WILL OCCUR IF THE
GAP IS NOT MAINTAINED.
2. To change the boom stop, move the sensor on the boom lift cylinder up, to raise
the boom, and down to lower the boom as shown below.