Burkert Type 2301 - Manual (Page 31)

31
Maintenance, cleaning
replace the control cone set
Spindle
Dowel pin
Control cone
Graphite seal
Fig. 18: Replacing the control cone set
note!
important information for the problem-free and safe functioning
of the device!
The sealing face of the control cone must not be damaged.
procedure:
→
Knock out dowel pin with a suitable pin punch.
pin punch ø 4 mm, for spindle diameter 10 mm
pin punch ø 5 mm, for spindle diameter 14 mm
→
Remove control cone.
→
Attach new control cone to the spindle.
→
Align bores of the control cone and spindle.
→
Support control cone on the cylindrical part with the aid of a
prism or something similar.
→
Put on dowel pin and carefully knock in with a hammer.
→
Position the dowel pin in the centre of the spindle axis.
install the actuator (with control unit) on the valve body
→
Check the graphite seal and if required, replace it.
Warning!
danger if incorrect lubricants used!
Unsuitable lubricant may contaminate the medium. In oxygen
applications there is a risk of an explosion!
▶ In specific applications, e.g. oxygen or analysis applications, use
appropriately authorised lubricants only.
→
Grease nipple thread before re-installing the actuator (e.g. with
Klüber paste UH1 96-402 from Klüber).
english
Type 2301