Passenger Tire Changers Service Manual 07-13 Rev.B
20
CHAPTER 5
ELECTRONIC SECTION
WARNING!
BEFORE APPROACHING THE ELECTRONIC PARTS,
DISCONNECT THE MACHINE FROM POWER SUPPLY.
5.1 INVERTER T1: CHECK AND REPLACEMENT
:
1h
: Voltmeter, 3mm allen key, 8mm tube type key, pliers.
: Defective inverter may cause the following malfunction:
1.
Motor does not turn at all.
2.
Motor turns in slow speed only
3.
Motor turns in high speed only.
4.
Motor turns in reverse direction only.
5.
Turntable does not turn in second speed.
6.
The shut off switch of the tire shop shuts off.
TO CHECK THE INVERTER:
Turn the machine off.
Remove the electric box from the cabinet
4.1.
Disconnect the wires and the connectors from the inverter terminals
marking the position.
Turn the machine on.
Take the multimeter and select it in VAC up to 400.
Position the multimeter terminals on the output terminals of the inverter.
Press the rotational pedal and check if the output is 230VAC on all three
terminals
IMPORTANT! BEFORE REPLACING THE INVERTER MAKE SURE THAT
THE TURNTABLE MOTOR AND ITS WIRES ARE FINE.
TO REPLACE THE INVERTER:
Disconnect the power supply from the machine.
Unscrew the rear screw to remove the Inverter from the box.