Hofmann ATC 900, Руководство по обслуживанию

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CTC-CEN Service Manual 07-13 Rev.E
15
TO REPLACE THE SWITCH:

Check that the tabs for contacts on the new switch are correctly oriented.

Connect wires ends FIRMLY to the new switch terminals as shown in the appropriate electric diagram (

3.0).

Mount the switch to the electronic box

5.1.

Check if the machine works fine.
5.3 CENTERPOST MOTOR M3 CABLE: CHECK AND REPLACEMENT

: 1h

: Medium screwdrivers, medium cross screwdrivers, 7mm tube type wrench, 4mm allen key, pliers, multimeter

: Defective chuck motor cable may cause the following malfunction:
1. Low rotational torque.
2. Noisy
motor.
3. Motor damaging (burning).
TO CHECK THE CABLE:

Disconnect power supply from the wall.


Open the electric box.


Disconnect the wires white, brown and black from the Inverter.

Remove the front motor protection to access to the centerpost motor

Remove the motor terminals cover and disconnect all wires from
terminals.

Select the multimeter in Ohm and check if there is continuity
between ends of each wire.