Case 621G Stage IV, Original Instructions Manual

Page: 169 / 430

4 - OPERATING INSTRUCTIONS
Four function valve - one control lever (joy-
stick) with two auxiliary functions
NOTE: this page shows the joystick with two auxiliary con-
trol function positions.
See “Loader functions” - Chapter 4 in this manual for re-
turn-to-dig, bucket height control, return-to-travel and float
functions.
1. Dump bucket
2. Rollback bucket
1 – 2. Automated bucket metering – used to improve ma-
terial metering out of the bucket at a consistent rate. To
engage automated functionality, move the joystick rapidly
back and forth from “1” Dump to “2” Rollback position.
The bucket accelerates more quickly while this motion is
maintained after 4 neutral point crossings. Regular bucket
control resumes as soon as the back and forth motion is
stopped.
3. Raise lift arms
4. Lower lift arms
5. Hold (central position) - The loader arms and bucket will
not move when the control levers are in the hold position.
When released, the control levers will automatically return
to the hold position.
6. Float - When in the float position, the loader bucket
floats across the rough ground.
7. Auxiliary function (with detent)
8. Auxiliary function (with detent)
9. Auxiliary function (with detent)
10. Auxiliary function (with detent)
LEIL16WHL1336AB
10
LEIL16WHL1337AB
11
4-19