172-65191MA-03 (RT3A) 28 Apr 2009
9
Exploded View
Troubleshooting
When disassembling or removing the product, wait until the internal
pressure equals atmospheric pressure and the surface of the product
has cooled to room temperature. Disassembling or removing the
product when it is hot or under pressure may lead to discharge of fluids,
causing burns, other injuries or damage.
CAUTION
When the product fails to operate properly, use the following table to locate the cause
and remedy.
Problem Cause
Remedy
There is a build-up of sticky scale
between the element guide and the body
Clean the element guide and the inside
of the body
The thermo-element is misshapen
Replace with a new thermo-element
The trap operating pressure exceeds the
maximum specified pressure or there is
insufficient pressure differential between
the trap inlet and outlet
Compare specifications and actual
operating conditions
The capacity of the trap is insufficient
Compare specifications and actual
operating conditions
No
condensate is
discharged or
discharge is
poor
Steam locking has occurred
Study and correct the piping
The thermo-element is leaking wax
Replace with a new thermo-element
There is a build-up of sticky scale
between the element guide and the body
Clean the element guide and the inside
of the body
The valve and/or valve seat is worn
Replace with a new valve and/or
valve seat
The valve is catching due to sticky
build-up
Clean the valve and valve seat
surfaces
Steam is
discharged or
leaks from the
outlet
(blowing)
(steam
leakage)
The valve seat gasket is damaged
Replace with a new gasket
The cover gasket is damaged
Replace with a new gasket
Improper cover tightening torque was
used
Tighten to the proper torque
Steam or
condensate is
leaking from a
place other
than the outlet
Stress from the piping is exerted on the
union
Correct the piping
Cover
Cover Gasket
Thermo-element
Element Guide
(Valve)
Return Spring
Valve Seat
Valve Seat Gasket
Body
Union Gasket
Union Nipple
Union Nut
Cover contains:
Over-expansion Spring
Spring Guide
Snap Ring
Do not disassemble the cover