Passenger Tire Changers Service Manual 07-13 Rev.B
33
5.4 POTENTIOMETER ADJUSTMENT WITH FIRMWARE 1.4.5
:
1h.
:
2,5, 3,
4mm Allen Key, 10 and 13mm end key, 8 and 10mm tube type key, 13mm socket, medium standard
screwdriver, Multimeter, electronic dynamometric key.5mm Allen.
Procedure to calibrate the “zero” of the potentiometer:
1
Disconnect air pressure and power supply from the machine.
2
Remove the Inverter box from the cabinet and the foot pedal assembly
6.4
3
Disconnect the motor wires from the inverter terminals to avoid
that the motor will start itself during the potentiometer
adjustment..
4
Turn on the machine.
WARNING! MACHINE UNDER TENSION. RISK OF ELECTRIC
SHOCK
5
Unlock the securing screw of the potentiometer.
6
Make sure that the rotational pedal is in rest position.
7
Rotate the potentiometer with the screwdriver until the red led LD7 on the Inverter will remain ON.
8
Secure the screw of the potentiometer with the dynamometric key at 0,8Nm.
9
Make sure that led is still on.
10 Turn off the machine.
11 Disconnect the power supply.
12 Connect the motor wires to the inverter terminals.
13 Connect the power supply.
14 Turn on the machine.
15 Check if the turntable turns correctly.
16 Turn the machine off.
17 Mount the inverter box to the machine and install the foot pedal assembly
6.4.