Great Plains EHPR Valve Calibration - Manual (Page 4)

Great Plains Mfg., Inc.
4 EHPR Valve Calibration
401-565M 12/10/2008
Steer-Right EHPR Valve
Refer to Figure 6
10. Activate steer-right calibration by moving the Valve
Select switch to the RIGHT.
11. Momentarily move the Imin Adjust toggle switch
upwards (increase) direction.
12. Wait a few seconds to detect caster rotation.
You are looking for very slight [slow] movement.
13. If no movement is detected, repeat step 11 until
caster movement is detected. This may require a
considerable number of increases.
14. When movement is detected, and just once, momen-
tarily move the Imin Adjust toggle switch down-
ward (decrease) direction.
15. Check for caster movement. If caster continues to
move repeat step 14 until movement stops.
16. Press and release the Learn Button once.
The Learn Acknowledge light should flash.
17. Move the Valve Select switch to the center (off)
position.
Steer-Left EHPR Valve
18. Activate steer-left calibration by moving the Valve
Select switch to the LEFT.
19. Momentarily move the Imin Adjust toggle switch
upwards (increase) direction.
20. Wait a few seconds to detect caster rotation.
You are looking for very slight (slow) movement.
21. If no movement is detected, repeat step 19 until
caster movement is detected. This may require a
considerable number of increases.
22. When movement is detected, and just once, momen-
tarily move the Imin Adjust toggle switch down-
ward (decrease) direction.
23. Check for caster movement. If caster continues to
move repeat step 22 until movement stops.
24. Press and release the Learn Button once.
The Learn Acknowledge light should flash.
25. Move the Valve Select switch to the center (off)
position.
Figure 6
833-510C HHCT Controls
29197
Valve Select:
Left:
Steer-Left Valve
Center: Off
Right: Steer-Right Valve
Imin Adjust:
Up:
Increase Current to Valve
Center: Off
Down: Decrease Current to Valve
Learn Button:
Press and release to store Imin
Learn Acknowledge:
Light flashes when Imin value stored
Rear Wheel Sensor:
Up:
Enabled
Down: Disabled
Rear Wheel Sensor Light:
If switch
is On, light flashes when sensor
disk rotates
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