Part & No.
During Disassembly
Disassembly / Reassembly (to reassemble, follow procedures in reverse)
During Reassembly
Cover 3
Air Vent Ring 6
Remove with a socket wrench
Remove without bending, as it
will not return to its proper shape
Coat threads with anti-seize; consult the
table of tightening torques and tighten to
the proper torque
Module Valve
Seat 2
Remove being careful not to
scratch the polished seat surface
Insert into the body levelly, being careful not
to tilt it or to scratch the seat surface
Reinsert without bending
Disc Holder
Ring 5
Remove without bending
Set on the air vent ring and make sure that it
does not sit on the valve seat surface
Outer Module
Gasket 7
Remove only if worn or damaged;
clean the gasket housing
Replace with a new gasket if worn or
damaged
Screen Holder
Gasket 11
Remove gasket and clean sealing
surfaces
Replace with a new gasket, coat surfaces
with anti-seize
Screen 10
Remove without bending
Reinsert without bending
Inner Module
Gasket 9
Remove only if worn or damaged;
clean the gasket housing
Replace with a new gasket if worn or
damaged
Screen
Holder 12
Remove with a socket wrench
Coat threads with anti-seize; consult the
table of tightening torques and tighten to the
proper torque
Disc 4
Remove being careful not to
scratch the polished seat surface
Set on valve seat with the seat surface (the
lapped side) facing down toward the valve seat
9. Troubleshooting
If the expected performance is unachievable after installation of the trap, read chapter 5 and
chapter 6 again and check the following points for appropriate corrective measures.
Continued on next page
Problem
Remedy
No condensate
is discharged
(blocked) or
discharge is
poor
Cause
Tightening Torque and Distance Across Flats
Part
Cover
P46SRN, P46SRM, P65SRN
P46SRW
Screen Holder
N·m
(lbf·ft)
250
100
(185)
320
(235)
(73)
Torque
NOTE: - Coat all threaded portions with anti-seize.
- If drawings or other special documentation were supplied for the product,
any torque given there takes precedence over values shown here.
1 N·m
〜
〜
10 kg·cm
Screen is clogged with rust or scale
Disc is sticking to valve seat (due to oil, etc.)
Air vent ring (bimetal) is broken or worn, causing
air-binding
Clean
Clean
Replace air vent ring
Disc holder ring is broken or worn, causing air-
binding
Replace disc holder ring
Steam-locking has occurred
Perform a bypass blow-
down, or close the trap inlet
valve and allow the trap to
cool. Piping correction may
also be required.
Trap capacity is insufficient
Change to trap of suitable
capacity
Differential pressure is low
Study inlet/outlet pressure,
including rise in outlet pipe
mm
(in)
46
30
(
1
)
55
(
2
)
(
1
)
Distance Across Flats
16
13
/
16
3
/
32
5
/
̶ 10 ̶
English
