Hofmann ATC 900 - Page 78

CTC-CEN Service Manual 07-13 Rev.E
78
TO ADJUST THE VERTICAL ROD BLOCKING PLATE:
 Press the yellow button valve to lower completely the vertical tool rod.
 Tighten as much as possible the vertical blocking cylinder
adjustment screw in order to block the rod.
 Pull the yellow button valve all towards the operator in order to lift
the vertical tool rod.
 Turn counter clockwise the vertical blocking cylinder adjustment
screw until the vertical rod will move upward.
 Then perform some rod lowering and raising operations to make
sure that the rod is moving smoothly.
 Block the counter nut.
TO ADJUST THE VERTICAL ROD BLOCKING PLATE SPRINGS:
 Block the vertical rod.
 Check if the spring are completely compressed.