ARI Armaturen CONA all-in-one PN40 EN - Manual (Page 11)

Rev. 0040808000 0808 Page 11
Operating and installation instructions
CONA
®
All-in-one
7.3 Replacing packing rings of the secondary sealing gland packing
- Dismantle shut-off valve assembly (pos. 8) as described in 7.1.
- Rotate spindle (pos. 11) in closing direction.
- Slacken cheese-head screw (pos. 18).
- Pull handle (pos. 19) away from spindle (pos. 11).
- Unscrew sleeve nut (pos. 6).
- Remove pressure plate (pos. 21).
- Unscrew spindle guide (pos. 16) from screw fitting (pos. 15) and
withdraw from spindle (pos. 11).
- Dismantle packing rings (pos. 5).
- Clean packing chamber and spindle surface.
- Push spindle (pos. 11) into spindle guide (pos. 16) and fit new
packing rings (pos. 5).
- Assemble in reverse order (see 7.6).
7.4 Cleaning/replacing controller assembly
a) Bimetallic steam trap series 60A
(refer to Fig. 3 page 7)
- Depressurise equipment (isolate supply line, also discharge line if
there is back pressure).
- Release and dismantle sealing cap (pos. 6).
- Unscrew bimetallic controller (pos. 24) and remove strainer (pos. 2).
- Clean body (pos. 1), sealing cap (pos. 6) and strainer (pos. 2) as well as all seal faces.
- Clean bimetallic controller (pos. 24) and check sealing components at seat (pos. 24.1). If
the operator thinks there is unwarranted leakage of steam at the steam trap, we
recommend checking the controller setting or replacing the complete bimetallic controller
(pos. 24)
- Insert strainer (pos. 2), making sure the sealing faces are clean.
- Screw in bimetallic controller (pos. 24) and tighten (see 7.6)
- Replace sealing cap (pos. 6) (see 7.6).
ATTENTION !
It is vital to avoid damage to spindle surface and
packing chamber surface.
Fig. 8