Gradall XL3100IV, Operators Safety Manual, Page: 95 / 172

Section 3 - Operation
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5. If required, press left side of tilt switch (I) to tilt
counterclockwise or right side of switch (J) to
tilt clockwise. If necessary, use fast tilt button
to return to fast tilt.
6. While pushing forward on right joystick (B) to
lower boom and force bucket into ground, pull
back on left joystick
(E) to retract boom and fill
bucket.
7. As bucket is filling, jog right joystick forward
(B) to lower boom and maintain depth of cut.
At same time jog right joystick to right (C) to
open bucket and maintain proper bucket
angle.