Hofmann ATC 900, Service Manual

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CTC-CEN Service Manual 07-13 Rev.E
19
MACHINE UNDER TENSION DANGER OF ELECTRIC SHOCK

Push and pull the upper bead breaker arm by hand inward and
outward to make sure that actuator is running. At the same time
use the 5mm allen key to adjust the alignment of the actuator to
the bead breaker arm.

When the actuator will complete the arm stroke without any speed
reduction, lock the counter nut.

Perform the bead breaker arms calibration.

Turn off the machine.

Install the actuator and the electric box protection.

Turn the machine on and check if it works fine.
5.6 TRANSFORMER T3 # 7-02702A : CHECK AND REPLACEMENT

: 1h

: Voltmeter, small and medium cross screwdrivers, pliers.

: Defective transformer may cause the following malfunction:
1. Smoke gets out from the electric box with consequent burning of the transformer.
2. Turning the machine on the lower bead breaker arm actuator M2 and the laser pointer do not work.
IMPORTANT! BEFORE STARTING WITH THE INSPECTION OF THE TRANSORMER MAKE SURE THAT THE
FUSE IS FINE
TO CHECK THE FUSE:

Disconnect the machine from power supply.

Open the electric box

Pull out the fuse holder by hand from the transformer.

Verify if there is continuity between the ends of the fuse.

If necessary replace it with a new one of the same value.
TO CHECK THE TRANSFORMER:

Disconnect the machine from power supply.

Open the electronic box.

Take the Voltmeter and select it in VAC.

Turn the machine on.
MACHINE UNDER TENSION DANGER OF ELECTRIC SHOCK