Hofmann ATC 900, Руководство по обслуживанию

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CTC-CEN Service Manual 07-13 Rev.E
21

Make sure that the switch is mechanically in good condition.

Press or push the pedal to make sure that the switch is properly adjusted: if not make a new adjustment

Disconnect the wires from the switch terminals.
IMPORTANT! MARK WIRES PROPERLY FOR AN EASY AND SAFE INSTALLATION

Take a Voltmeter and select it in Ohm.

In case the motor does not turn in first speed, position the Voltmeter probes on terminals 1 and 4 and press the
pedal to verify if there continuity. If not replace the switch.

In case the motor does not turn in second speed, position the Voltmeter probes on terminals 1 - 4 and 1-8 and
press the pedal to verify if there continuity. If not replace the switch.

In case the motor does not turn in reversed speed, position the Voltmeter probes on terminals 1-8 and push up
the pedal to verify if there continuity. If not replace the switch
TO ADJUST THE SWITCH:

Make sure that the bar is more or less in the middle of the switch lever button-hole when the switch is in rest
position.

If it is not in the middle loosen the nut #1 and remove the bolts #2.