Case 621G Stage IV, Original Instructions Manual

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3 - CONTROLS AND INSTRUMENTS
5. Auxiliary F-N-R
Press the auxiliary F-N-R button to enable/disable the auxiliary F-N-R switch located on the joystick
or next to the single axis levers.
See Chapter 4 for further information.
LED color: green.
6. Auto shift
Press the auto shift button to enable/disable the automatic operation mode for the transmission.
When the auto shift function is activated, the transmission will automatically shift up and down
between 1st or 2nd and the highest speed setting on the transmission control lever.
See Chapter 4 for further information.
LED color: green.
7. Declutch (4-speed only) / Powerinch (5-speed only)
Press the Declutch/Powerinch button to enable/disable the Declutch on 4-speed transmissions or
Powerinch on 5-speed transmissions. This feature can improve loader applications when truck
loading and tight corner operations are required.
See Chapter 4 for further information.
LED color: green.
8. Torque converter lock-up (5-speed only)
Press the torque converter lock-up button to enable/disable the torque converter lock-up function.
This function allows a direct mechanical connection between the engine and the transmission to
eliminate torque converter loss. It allows the torque converter to remain locked up from the second
gear upward. It allows for faster vehicle accelerations and speeds.
LED color: green.
9. Automatic differential lock (if equipped)
With the automatic differential lock button in ON position, the automatic differential lock system is
enabled. The hydraulic differential lock will automatically engage when required for the wheel loader.
The differential lock is activated any time the operator presses the differential lock foot switch,
regardless of whether the automatic differential lock system is enabled or not.
LED color: green.
10. Return-to-dig
Press the return-to-dig button to enable/disable the return-to-dig function. This function allows the
bucket to return to level with the ground for digging.
See Chapter 4 for further information.
LED color: green.
11. Height control
Press the height control button to enable/disable the height control function. This function allows the
bucket to raise to the set height position when activated.
See Chapter 4 for further information.
LED color: green.
12. Return-to-travel
Press the return-to-travel button to enable/disable the return-to-travel function. This function allows
the bucket to automatically return to the travel position after you have dumped the loader bucket.
See Chapter 4 for further information.
LED color: green.
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