Hofmann ATC 900, Руководство по обслуживанию

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CTC-CEN Service Manual 07-13 Rev.E
51
TO CHECK THE CYLINDER WHEN THE AUTOMATIC TOOL WILL NOT LIFT THE TIRE BEAD

Position the cylinder where it leaks air.

Disconnect the air pipe where there is not any air pressure.

If the air is getting out from the fitting, the tool cylinder is leaking air.

If the air is getting out from the fitting, the control valve is leaking
air.
TO REPLACE THE CYLINDER:

Disconnect the air pressure and the power supply.

Disconnect the air pipes from the cylinder.

Disconnect the automatic tool cylinder from the its bracket and from the tool.

Mount the new cylinder to upper bracket.

Connect the air pipes to the cylinder.

Plug the machine to the air pressure and power supply.

Connect the automatic tool cylinder to the tool.

Perform the adjustment of the connection automatic tool – cylinder following par. 8.2.

Check if the machine works fine.
7.10 AUTOMATIC TOOL CYLINDER VALVE # EAA0328G73A: CHECK AND
REPLACEMENT

: 30’

: 3mm allen key,5,5 and 22mm end key.

: Defective valve may cause the following malfunction:
1. Air leaking from the valve.
2. The cylinder would not lift the tire bead.
TO CHECK THE VALVE:

Check the valve following Paragraph 7.8.
TO REPLACE THE VALVE :

Disconnect the air pressure and the power supply.