Hoffmann MONTY 3550 TTGP, Service Manual

Page: 72 / 100

Passenger Tire Changers Service Manual 07-13 Rev.B
72
6.22 BEAD BLASTER VALVE AND AIR TANK : CHECK AND REPLACEMENT

: 1h

: End key 12mm, big pliers.

: Defective bead blaster valve may cause the following malfunction:
1. No air from air jet.
2. Air leaking from diaphragm.
TO CHECK THE BEAD BLASTER VALVE:

Verify if it is leaking air from the diaphragm.

Verify it the bead seating jet is leaking air.
TO REPLACE THE BEAD BLASTER VALVE:

Disconnect the air pressure.

Remove the hoses.

Remove the valve from the tank niplex.

Mount the new valve to the niplex.

Install the hoses.

Plug the air pressure and check if it works fine again.
6.23 AIR CONTROL: CHECK AND REPLACEMENT

: 30’

: End key 8, 7 and 14mm, 4mm allen key.

: Defective bead blaster valve may cause the following malfunction:
1. The valve does not stop the tire inflation.
2. The valve does not inflate the tire at all.
3. The valve leaks air.
TO CHECK THE VALVE:

Take a deflated wheel and inflate it.

If the valve will show one of the above issue, it must be replaced.
TO REPLACE THE VALVE:

Disconnect the machine from the air pressure and power supply.

Remove side panel from the cabinet.

Disconnect the air pipes from the valve.

Loosen the screws that secure the foot pedal assembly to
cabinet.

Mount the new valve.

Secure the pedal assembly to the cabinet.

Mount the air pipes.

Connect the air pressure and the power supply.

Check if the machine works fine.

Mount the side panel.