Hofmann ATC 900, Service Manual

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CTC-CEN Service Manual 07-13 Rev.E
20

Verify if the power supply among the terminals 0 – 230 is correct.

Make sure that the output among terminals 0 and 18 is correct.
TO REPLACE THE TRANFORMER:

Turn the machine off.

Disconnect the machine from power supply.

Remove all wires from terminals.
IMPORTANT! MARK WIRES PROPERLY FOR AN EASY AND
SAFE INSTALLATION
.

Loosen the four transformer screws to release the transformer.

Install the new transformer and tighten firmly all wires.

Turn the machine on.
MACHINE UNDER TENSION DANGER OF ELECTRIC SHOCK

Check if the machine works fine again.

Turn the machine off.

Mount the electric box cover.

Check if the machine works fine.
5.7 CENTERPOST SWITCH S1 # 2-15259A: CHECK, ADJUSTMENT AND REPLACEMENT

: 1h

: Small standard and cross screwdrivers, 4 and 5 mm allen key, 8mm key.

: Defective turntable switch may cause the following malfunction:
1. The turntable does not turn at all.
2. The turntable does not turn in first speed.
3. The turntable does not turn in second speed
4. The turntable does not in reverse speed.
TO CHECK THE SWITCH

Turn the machine off.

Remove the pedal assy cover.