wT 2860/02
Page 22
12.2
Assembly
All parts must be cleaned, and, if necessary, lubricated prior to assembly.
12.2.1
Standard Lubricants
O-Rings: Silicon grease OKS 1110
Other parts: MOLYKOTE 55 M
In special cases, the lubricants designated in the course of the order must be utilized.
e.g.: Oxygen applications Klüberalfa YV93-302
Gas applications Klüber Nontrop ZB91
Sterile steam applications Klüberalfa YV91
12.2.2
Installation of the Sealing Element
»
Insert new sealing element (Pos. 22) (all sealing elements are pre-assembled for
immediate installation!)
»
Mount sealing ring (Pos. 18) over the periphery of the sealing element and press
down, place U-sleeve (Pos. 21) on top with closed side facing upwards – lightly
squeeze open side and press into the nut
»
Insert back-up ring (Pos. 24) and lock with wire ring (open end of the wire ring in
the vicinity of the trunnion). It must snap on into the ring nut – spread the open
end in order to ensure firm seating. Should bringing the wire ring into position
prove difficult, then it may be necessary to exert tension on the sealing element.
Press down the back-up ring by means of two spacers and an U-profile, which is
bolted down by means of 2 hex nuts.
»
Screw fillister head screws (Pos. 27) with serrated washers (Pos. 43) firmly into the
threaded holes of the back-up rings
»
Remove all assembly aids
U-profile
Spacer
Fig .13
27
24
18
21
22
24
43
