Hofmann ATC 900, Service Manual

Page: 47 / 120

CTC-CEN Service Manual 07-13 Rev.E
47

Install the two front adjustment screws and turn them until end of
stroke.

Then turn them back of two turns.

Block the counter nuts.

Install the two screws with springs. Tighten them for about 10mm

Tighten the cylinder adjustment screw: when the screw will touch
the washer turn the screw of two more turns.

Connect the air pressure and the power supply.

For the mechanical adjustment refer to chapter 8.2.

Check if the machine works fine.
7.6 HORIZONTAL BLOCKING CYLINDER # EAA0344G33A: CHECK AND REPLACEMENT

: 30’

: Allen key 4mm, 17mm end key.

: Defective horizontall locking cylinders may cause the following malfunction:
1. Air leaking from the cylinder.
2. The horizontal rod does not remain blocked..
TO CHECK THE CYLINDER:

Remove the cylinder cover.

Press the yellow button of the valve to block the horizontal arm of the operating arm.

Check if the cylinder is leaking air in between cylinder liner and seal or from the hole on the front flange.
NOTE: IF THE CYLINDER WILL LEAK AIR FROM THE FITTING, REPLACE THE FITTING ONLY.