ARI Armaturen CONA S PN160 EN - Manual (Page 11)

Rev. 0040805000 4608 Page 11
Operating and installation instructions
CONA
®
S - Ball float steam traps
7.0 Care and maintenance
Maintenance and maintenance-intervals have to be defined by the operator according to
the requirements.
7.1 Cleaning and/or replacing the steam trap
(refer to Fig. 1 page 4- Fig. 5 page 6 und Fig. 7 page 12)
- Dismantle hood (Pos. 16) by slackening hexagonal nuts (Pos. 28) and cheese-head screw
(Pos. 27).
- While removing the hood (Pos. 16) swivel it upwards through approx. 45o to avoid twisting
the vent tube (Pos. 24.12).
Dismantle studs (Pos. 27) if necessary.
- Remove dirt from body (Pos. 1) and hood (Pos. 16); tiny dirt particles can be removed by
flushing out the ducts and rinsing the body (Pos. 1). Clean the strainer (Pos. 2).
- If necessary dismantle the float controller (Pos. 24) and clean separately or change float
controller.
- Unscrew the hollow-core screw (Pos. 24.10) of the float controller (Pos. 24) from the body
(Pos. 1).
- Pull complete float controller (Pos. 24) out to remove, taking care with the sealing ring
(Pos. 11). (From PN63 onwards metal seal with no sealing ring (Pos. 11)).
- Do not make any changes to spindle adjustment (Pos. 24.3), the float controller (Pos. 24)
is set by the manufacturer (except in the case of extremely high back pressures, when
please consult the manufacturer).
- Check lifting force of the ball float (Pos. 24.16) by immersing the whole controller (Pos. 24)
in a water bath with the vent tube (Pos. 24.12) pointing upwards – spindle (Pos. 24.3) in a
horizontal position. When immersed in the water bath the ball float (Pos. 24.16) must float
to the top. If the ball float (Pos. 24.16) sinks (i.e. goes under) the complete controller (Pos
24) should be replaced!
- The flat gasket (Pos. 17) and sealing ring (Pos. 11) should be replaced if used.
PN100-160:
- Special wear bushing is used. This can, if necessary, be changed after dismantling the
controller (Pos. 24). It is used to protect the body (Pos. 1) from blasting wear.
- Assemble in reverse order (refer to item 7.5).
ATTENTION !
- refer to item 10.0 and 11.0 prior to dismantling and repair work!
- refer to item 6.0 before restarting the plant !
Prior to installation, threads and seal faces should be coated with temperature-
stable lubricant (e.g. “OKS Anti-Seize Paste” white/metal-free for PN 16-40 or
“Rivolta” lubricant and parting agent for PN 63 onwards).