Hofmann ATC 900 - 7.4 Valve control opening arm cylinder # EAA0356 G96 A: check and replacement

CTC-CEN Service Manual 07-13 Rev.E
44
 Remove the upper and lower securing screws and remove the cylinder.
 Mount the new cylinder tightening the screws firmly.
 Mount the cylinder rod to the operating arm bushing: tighten the rod until it will touch the pin inside of the
bushing, then turn backward of 1 turn.
 Install the air pipes.
 Connect the air pressure and check if the machine works fine.
7.4 VALVE CONTROL OPENING ARM CYLINDER # EAA0356G96A:
CHECK AND REPLACEMENT
 : 30’
 : 4mm allen key,8 and 12mm end key, 10mm tube type key.
 : Defective valve may cause the following malfunction:
1. Air leaking from the valve.
2. The operating will not open or close and air leaking is reported from the valve
TO CHECK THE VALVE:
 Remove the foot pedal assembly cover.
 Check if there is any leaking in between valve rod and body.
 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 control valve is leaking
air.