Total Control Systems 700-LP Series, Installation, Operation & Maintenance Manual

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Assembly of Check Valve
WARNING
All internal pressure must be relieved to ZERO (0) pressure before beginning disassembly
of meter or components
CHECK VALVE ASSEMBLY
1) Insert pressure relief valve (#2) into valve housing (#1).
2) Slide piston ring (#4) onto valve housing (#3).
3) Place o-ring (#6) over shaft of valve housing (#3) and up to
piston ring (#4) surface.
4) Install spacer (#7) over shaft of valve housing (#3) and
over o-ring(#6).
5) Insert o-ring (#5) into groove of o-ring retainer (#8).
6) Slide o-ring retainer (#8) over shaft of valve housing (#3).
7) Using the torque specifications, apply and tighten the nut
(#9) on the valve housing (#3.
8) Install assembly into housing (#1) with o-ring facing pipe
threads of housing (#1).
9) Press bearing sleeve (#12) into spring holder (#11).
10) Insert spring holder (#11) into housing (#1) with
cylinder facing pipe threads.
11) Install retaining ring (#13) into groove of housing (#1).