11. Instructions for Plug / Holder Disassembly and Reassembly
Gasket
Do not pinch gasket
in thread recesses
Coat with anti-seize
Gasket Surface
Replace with a new bimetal element
Correct the assembly of the bimetal
elements
Clean the bimetal elements
Use cleaning function
Clean parts
Readjust the screw
Use cleaning function
Replace with a new valve stem
Replace with a new valve seat
Tighten to the proper torque
Replace with a new gasket
Readjust the screw
Replace with a new gasket or seal
ring
Replace with a new seal ring
Replace with a new gasket
A bimetal element is damaged or broken
The assembly (orientation) of the bimetal
elements is incorrect
There is a build-up of foreign matter in the spaces
between the bimetal elements
The valve seat is clogged with rust and scale
The screen or piping are clogged with rust and scale
The adjusting screw is not correctly positioned
There is a build-up of dirt or scale on the valve
stem or seating surfaces of the valve seat
The valve stem is worn or sealing surfaces are damaged
The valve seat is worn or sealing surfaces are damaged
The valve seat is loose
The valve seat gasket is damaged
The adjusting screw is not correctly positioned
Leakage from the cap nut gasket: the gasket or
the seal ring is damaged or deteriorated
Leakage from the adjusting screw: the seal ring is
damaged or deteriorated
Leakage from the cover gasket: the cover gasket
is damaged or deteriorated
Cause
Problem
Remedy
No condensate
is discharged or
temperature
does not rise to
the set
temperature
Steam is blowing
or the
temperature
rises above the
set temperature
There is leakage
to the outside of
the trap
NOTE: When replacing parts with new, use the parts list on page 3 for reference, and replace with parts from
the Maintenance Kit and/or Repair Kit. Please note that replacement parts are only available as part
of a replacement parts kit.
The seal on the threaded plugs/holders found on TLV products is formed by a flat metal gasket.
There are various installation orientations for the gaskets, such as horizontal, diagonal and
downward, and the gasket may be pinched in the thread recesses during assembly.
Instructions for Disassembly and Reassembly
Remove the plug/holder using a tool of the specified size
(distance across flats).
The gasket should not be reused. Be sure to replace it with a
new gasket.
Clean the gasket surfaces of the plug/holder and the product
body using a rag and/or cleaning agents, then check to
make sure the surfaces are not scratched or deformed.
Coat both the gasket surface of the plug/holder and the
threads of the plug/holder with anti-seize, then press the
gasket onto the center of the gasket surface of the
plug/holder, making sure the anti-seize affixes the gasket
tightly to the plug/holder. Check to make sure the gasket is
not caught in the recesses of the threads.
Hold the plug/holder upside down to make sure that the anti-
seize makes the gasket stick to the plug/holder even when
the plug/holder is held upside down.
Screw the plug/holder by hand into the product body while
making sure that the gasket remains tightly affixed to the
center of the gasket surface of the plug/holder. Make sure
the entire gasket is making contact with the gasket surface
of the product body. It is important at this point to make sure
the gasket is not pinched in the thread recesses of the
plug/holder.
Tighten the plug/holder to the proper torque.
Next, begin the supply of steam and check to make sure
there is no leakage from the part just tightened. If there is leakage, immediately close the inlet valve
and, if there is a bypass valve, take the necessary steps to release any residual pressure. After the
surface of the product cools to room temperature, repeat the procedure beginning from step
.
12. Troubleshooting
If the expected performance is unachievable after installation of the steam trap, read chapters 5
and 6 again and check the following points to take appropriate corrective measures.
