Hofmann ATC 900, Service Manual

Page: 66 / 120

CTC-CEN Service Manual 07-13 Rev.E
66
TO REPLACE THE VALVE:

Disconnect the machine from the air pressure and power supply.

Remove the foot pedal assembly protection.

Disconnect the air pipes from the valve.

Loosen the screws that secure the foot pedal assembly to cabinet.

Turn upside – down the foot pedal assembly and loosen the nuts that secure the valve to the pedal assembly.

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 pedal assembly protection.
7.22 MANOMETER: CHECK AND REPLACEMENT

: 30’

: End key 13, 14,15,16.17mm, Medium cross screwdriver, loctite.

: SB 852 TC, SB 929 TC,

:Defective manometer may cause the following malfunction:
1. The manometer is not accurate.
2. The manometer does not return to zero.
3. The manometer is blocked.
TO CHECK THE MANOMETER

Unplug the machine from air pressure and power supply.

Remove the steel panel from the back of the tool box.