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172-65464MA-02 (JH8R-B) 18 Nov 2020

Disassembly/Reassembly of Components inside the Air Vent Case/Guide

Part

During Disassembly

During Reassembly

Snap Ring

Pinch the insides together
and remove from the air vent
case

Insert securely into the groove
in the air vent case

Air Vent Screen

Remove, being careful not to
misshape

Replace, being careful not to
misshape.

Bimetal Unit
(Bimetal Plate /
Snap Ring / Valve
Plug)

Remove the air vent parts
from cover

Make sure to reinsert in the
proper orientation (Fig. A)

Air Vent Valve Seat Remove with a socket

wrench

Consult the table of tightening
torque and tighten to the
proper torque

Air Vent Case

Remove from the cover

Place it in the cover

Air Vent Guide

Remove with a socket
wrench

Consult the table of tightening
torques and tighten to the
proper torque

Air Vent Guide
Gasket

Remove the gasket and
clean sealing surfaces

Replace with a new gasket,
coat with anti-seize

Disassembly/Reassembly of Components Inside the Body

Part

During Disassembly

During Reassembly

Snap Ring

Pinch insides together and remove
from the body

Insert securely into the groove in the
body

Screen

Remove by grasping the wire ring
and lifting straight up and out

Set the screen on the screen holder
and screen holder retainer and insert
as far as the snap ring groove

Screen Holder
Retainer

Remove without bending

Place on the screen holder without
tilting

Screen Holder

Remove without bending

Place on the ledge inside the body,
making sure the rounded side is on
top

Float

Remove, being careful not to scratch
the polished surface

Insert, being careful not to scratch
the polished surface

Outlet Cover Nut

Remove with a socket wrench

Consult the table of tightening
torques and tighten to the proper
torque

Outlet Cover

Remove, being careful not to scratch
the gasket sealing surface

Make sure there are no pieces of the
old gasket left on the sealing
surfaces of the body and cover

Outlet Cover
Gasket

Remove the gasket and clean
sealing surfaces

Replace with a new gasket

Orifice

Remove with a socket wrench

Consult the table of tightening
torques and tighten to the proper
torque

Orifice Gasket

Remove the gasket and clean
sealing surfaces

Replace with a new gasket; coat
surfaces with anti-seize

Figure A

Содержание JH8R-B

Страница 2: ...nge less and lever less free float to rapidly automatically and continuously discharge the inflowing condensate that is continuously generated inside the equipment thus preventing the accumulation of condensate and thereby improving the heat transfer efficiency of the equipment In addition the integral bimetal type automatic air vent allows for the rapid release of start up air and thereby reduces...

Страница 3: ...oses a threat of death or serious injury WARNING Indicates that there is a potential threat of death or serious injury CAUTION Indicates that there is a possibility of injury or equipment product damage WARNING NEVER apply direct heat to the float The float may explode due to increased internal pressure causing accidents leading to serious injury or damage to property and equipment CAUTION Install...

Страница 4: ...discharge of fluids causing burns other injuries or damage Be sure to use only the recommended components when repairing the product and NEVER attempt to modify the product in any way Failure to observe these precautions may result in damage to the product and burns or other injury due to malfunction or the discharge of fluids Use only under conditions in which no freeze up will occur Freezing may...

Страница 5: ...pressure has a check valve TLV CK been installed 5 Is the inlet pipe as short as possible with as few bends as possible and installed so the liquid will flow naturally down into the trap 6 Has the piping work been done correctly as shown in the figures below Requirement Correct Incorrect Install catchpot with the proper diameter Diameter is too small Make sure the flow of condensate is not obstruc...

Страница 6: ...nflowing condensate causes the float to rise due to buoyancy opening the orifice B and allowing condensate to be discharged The air vent valve will remain closed throughout normal operation due to the high operating temperatures 3 Discharge of Large Quantities of Condensate Increases in the condensate inflow rate cause the condensate level in the trap to rise The float consequently rises and enlar...

Страница 7: ...e Maximum Operating Temperature Nominal Diameter Maximum Differential Pressure Valve No Production Lot No Maximum allowable pressure PMA and maximum allowable temperature TMA are PRESSURE SHELL DESIGN CONDITIONS NOT OPERATING CONDITIONS Valve No is displayed for products with options This item is omitted from the nameplate when there are no options Configuration No Name M R 6 Outlet Cover Gasket 7...

Страница 8: ...dischargeof fluids CAUTION Installation inspection maintenance repairs disassembly adjustment and valve opening closing should be carried out only by trained maintenance personnel 1 Before installation be sure to remove all protective seals 2 Before installing the product open the inlet valve and blow out the piping to remove any piping scraps dirt and oil Close the inlet valve after blowdown 3 Wh...

Страница 9: ...kage Normal Condensate is discharged continuously together with flash steam and the sound of flow can be heard If there is very little condensate there is almost no sound of flow Blocked Discharge Impossible No condensate is discharged The trap is quiet and makes no noise and the surface temperature of the trap is low Blowing Live steam continually flows from the outlet and there is a continuous m...

Страница 10: ...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 Drain Plug Part During Disassembly During Reassembly Drain Plug Remove with a socket wrench Consult the table of tightening torques and tighten to the proper torque D...

Страница 11: ...Ring Pinch insides together and remove from the body Insert securely into the groove in the body Screen Remove by grasping the wire ring and lifting straight up and out Set the screen on the screen holder and screen holder retainer and insert as far as the snap ring groove Screen Holder Retainer Remove without bending Place on the screen holder without tilting Screen Holder Remove without bending ...

Страница 12: ...th 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 Exploded View Cover Nut Cover Cover Gasket SnapRing Screen ScreenHolder Retainer ScreenHolder Float Bimetal Plate Air Vent ValvePlug Air Vent ValveSeat Air Vent Case Air Vent Guide Air Vent GuideGasket Cover Bolt Body Outlet Cover Bolt...

Страница 13: ... affixes the gasket tightly to the plug holder Check to make sure the gasket is not caught in the recesses of the threads 5 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 6 Screw the plug holder by hand into the product body while making sure that the gasket remains tightly affixed to the cen...

Страница 14: ... pressure exceeds the maximum specified pressure or whether there is insufficient pressure differential between the trap inlet and outlet Compare specifications and actual operating conditions Steam is discharged or leaks from the outlet blowing steam leakage Build up on the seating surface of the orifice or rust and scale build up beneath the float Clean parts Scratches on the orifice Replace wit...

Страница 15: ...oper installation use handling etc by other than TLV CO LTD authorized service representatives 2 Malfunctions due to dirt scale rust etc 3 Malfunctions due to improper disassembly and reassembly or inadequate inspection and maintenance by other than TLV CO LTD authorized service representatives 4 Malfunctions due to disasters or forces of nature 5 Accidents or malfunctions due to any other cause b...

Страница 16: ...MA 02 JH8R B 18 Nov 2020 15 Options The options shown below are available for this product on request Please compare with the product you received Options for Area A standard with drain plug Without Drain Plug A ...

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