172-65142M-04 (TC8) 11 Oct 2021
10
Disassembly/Reassembly
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
Use the following procedures to remove components. Use the same procedures
in reverse to reassemble.
(Installation, inspection, maintenance, repairs, disassembly, adjustment and valve
opening/closing should be carried out only by trained maintenance personnel.)
Disassembly and Reassembly of Components
Part
Disassembly
Reassembly
Regulating
thermostat
A spanner should be used to loosen
the union nut attached to the
regulating thermostat and remove it
from the valve body.
The nut should be screwed on by
hand and tightened with a spanner.
(Tightening torque: 30 N
·
m)
Insulation
pipe
Use a pipe wrench to remove the
insulation pipe from the valve body.
The wrench should only be
necessary to loosen the pipe, after
which it should be possible to
unscrew it by hand.
A fluorine resin gasket should be
inserted into the groove around the
end of the insulation pipe to stop
leakage. The pipe should then be
screwed on by hand and tightened
with a pipe wrench.
Main valve
unit
A 19 mm hexagonal jig* should be
used to unscrew the main valve unit.
The valve and the screw-fitting can
then be removed together as a single
unit.
The valve unit should be screwed on
by hand and tightened using a 19 mm
hexagonal jig*.
* can be ordered separately from TLV
Exploded View
