Burkert Type 2100 - Manual (Page 26)

26
Maintenance, cleaning
Replacing valve set
Spindle
Pin
Swivel plate
Graphite seal
Fig. 20: Valve set
Procedure:
→
Support swivel plate on the cylindrical part with the aid of a
prism or something similar.
→
Knock out the pin with a suitable pin punch.
Pin punch ø 3 mm, for spindle diameter 10 mm on the swivel
plate.
Pin punch ø 5 mm, for spindle diameter 14 mm on the swivel
plate.
→
Remove swivel plate.
→
Connect new swivel plate to the spindle.
→
Align bores of the swivel plate and spindle.
→
Support swivel plate on the cylindrical part with the aid of a
prism or something similar.
→
Insert pin into the bore.
→
Swage pin bores on both sides of the swivel plate using a chisel
or center punch.
Installing the actuator 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 2100