Hofmann ATC 900 - 7.22 Manometer: Check and replacement

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.