MKS Instruments UK Ltd
V2000-P Hardware Manual
– SP102006.103 March 2013
26
Replacing the orifice
– Type 2 VCR
Later versions utilize a VCR orifice disk which makes replacement easier as there is no need to remove any
vacuum flanges.
Disk part number
– 800010097
To replace the disk, l
oosen the VCR fitting using a ¾” spanner, the disk is fitted into a formed holder which is
clipped onto the machined face of the inlet flange. Remove the old disk and replace with the new part, refit the
holder to the inlet flange and retighten the VCR fitting.