Hofmann ATC 900 - Page 18

CTC-CEN Service Manual 07-13 Rev.E
18
 Take the Voltmeter and select it in VDC.
 Position the Voltmeter probes on the connector terminals X3
coming from the CPU board inside of electric box.
 Push the upper bead breaker arm by hand: whenever it will move
the multimeter display should show 24VDC.
 If the multimeter display will not show any change of value, the
CPU board must be replaced.
TO REPLACE THE MOTOR:
 Turn the machine off.
 Remove the protection from the lower bead breaker arm.
 Make sure that the bead breaker arm is unlocked
 Disconnect the motor from the arm.
 Turn the worm screw handily to remove the actuator from the arm.
 Remove the cable from electric box.
 Remove the cable from the chain.
 Move the lower bead breaker arm all inward.
 Fix the actuator to arm.
 Insert the cable through the chain and connect it to the CPU
board.
 Turn the machine on.