172-65591A-01 (P46UC-Y) 19 Jan 2021
8
Removing / Reattaching of Components (Valve Seat Unit) Inside the Trap Body
Part
During Disassembly
During Reassembly
Figure B
Sealing
surface
Cover
Remove with a socket
wrench.
If the cover is seized do not
try to force it loose as this
could result in damage to
the piping. If the cover
appears to be seized,
loosen and remove the
connector bolts and
remove the entire trap unit
from the connector unit.
Then secure the trap unit in
a vice before attempting to
remove the cover.
Consult the table of
tightening torques and
tighten to the proper torque
Disc
Remove, being careful not
to scratch the lapped
surface
Make sure that the seat
surface (lapped side with
groove) is facing down,
toward the valve seat (Fig. B)
Disc Holder
Ring
Remove without bending
Set on the air vent ring and
make sure that it does not
sit on the valve seat surface
Air Vent Ring
Remove without bending,
as it will not return to its
proper shape
Reinsert without bending
Module Valve
Seat
Remove, being careful not
to scratch the lapped
surface
Insert into the body levelly,
being careful not to tilt it or
to scratch the seat surface
Outer Module
Gasket
Remove with a scraper and
clean the gasket housing
Replace with a new gasket
if misshapen or damaged
Inner Module
Gasket
