TCS 700-30, Installation, Operation & Maintenence Manual

Page: 46 / 56

Page 46
Disassembly of 760 Air Check Valve
1) You may want to use a fixture or vice to compress and hold the poppet in place before loosening
any screws.
2) Using a hex or socket wrench, loosen and remove the two screws and seal ring.
3) Slowly release the poppet from the housing until the spring exerts no more pressure.
4) Remove the poppet, and spring from the housing .
5) Check inside housing for any debris and remove using a clean cloth.
6) Inspect and replace poppet gasket if needed.
Reassembly of 760 Air Check Valve
1) Replace poppet over the spring.
2) Compress poppet and spring into the valve housing.
3) With poppet and spring completey compressed, place the seal ring in housing.
4) Replace and fasten the two retaining ring screws.
¡WARNING!
All internal pressure must be relieved to ZERO (0) pressure before beginning disassembly
of meter or components