Additional Functions of the Electronic Selective Control Valves

Switch (A) permits all four SCVs to be locked at the same time (transport lock). The SCVs all go to neutral.

Function adjustment wheel (B) permits each of the four SCVs to be set individually to the following:

• Extend limit
• Retract limit
• Shut-off time

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Press the adjustment wheel or turn it one position. On the dot-matrix display, the summary of values appears with the "cursor" in the top left corner (on the "carriage return" symbol).

The display goes off if the adjustment wheel is pressed while the "cursor" is on the "carriage return" symbol or if no change is made at the adjustment wheel within 10 seconds.

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If the adjustment wheel is turned clockwise, the "cursor" moves progressively downward. When it reaches the bottom of the list, the "cursor" will jump back to the beginning if you turn the wheel further.

If the adjustment wheel is turned counter-clockwise, the "cursor" moves in the opposite direction.

If the adjustment wheel is pressed while the "cursor" is at positions I - IV, the adjustment status of the relevant SCV appears on the display.

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Turn the adjusting wheel until the "cursor" is at value you want to change, then press the adjusting wheel.

Turning the adjusting wheel clockwise will increase the value up to its maximum. Turning the adjusting wheel counter-clockwise will decrease the value down to its minimum. When you reach the desired value, press the adjusting wheel. The value will be stored.

The values for the extend and retract limits can be set in increments of 10%. 10% is the minimum, and 100% the maximum.

The values for the shut-off time can be set in variable increments between 0 and infinity. Infinity means: no automatic shut-off.

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Provided the transport lock is not active and a valid shut-off time is set for the SCV, the following applies:

If the SCV control lever (see arrow) is in the maximum extend or retract position and then moved past the point of resistance (a definite "click" can be perceived), the relevant remote cylinder will be brought to its set limit position and held there until the set shut-off time elapses. Then the remote cylinder is moved to its neutral position.

This procedure is aborted if:

• the SCV control lever is not returned to its neutral position within on second
• the SCV control lever is moved out of its neutral position before the shut-off period has elapsed
• the SCV control lever is moved in the opposite direction

In all of these above-mentioned cases, the SCV will react according to the movements of the SCV control lever.

To re-activate the automatic shut-off, bring the SCV control lever back from beyond the point of resistance and then pass the point of resistance again.

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