Hofmann ATC 900, Service Manual

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CTC-CEN Service Manual 07-13 Rev.E
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
Mount the new valve to the arm.

Connect the air pipes to the valve.

Mount the handles.

Connect the air pressure and the power supply.

Check the machine works fine.

Mount the cylinder cover.
7.9 AUTOMATIC TOOL CYLINDER # EAA0363G81A: CHECK AND REPLACEMENT

: 30’

: 8 allen key, 19mm end key.

: Defective automatic tool cylinder may cause the following malfunction:
1. Air leaking from the cylinder.
2. The cylinder would not lift the tire bead.
TO CHECK THE EXTERNAL AIR LEAKING

Position the cylinder where it leaks air.

Check if the leaking is in between cylinder flange-cylinder liner or if it is coming from the piston rod.

In case of need, place some soap with water on the interested part to better see where the leaking is coming
from.
TO CHECK THE FITTING AIR LEAKING

Position the cylinder where it leaks air.

Check if the leaking is in between the fitting and the cylinder flange.

In case of need, place some soap with water on the interested part to better see where the leaking is coming
from.