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Planned Maintenance
3.6.6 Cylinder Regulator Pressure Relief Valve, PN 019-0831-00
1. Remove all cylinders.
2. Remove the large back panel.
3. Fit a service kit to each of the regulators.
Disassembly
1. Remove and discard relief valve by turning counter-clockwise using a
15/16” spanner or socket.
Assembly
1. Fit new relief valve and ‘O’ ring.
2. Reset the pressure as required. See ‘ADJUSTMENT’ below.
Adjustment
Turn the adjusting screw clockwise to increase and counterclockwise to
decrease outlet pressure setting. To reduce pressure, fi rst reduce to a
pressure less than that desired, then increase to the desired outlet pressure.
Turn the adjusting screw using a 1/8-inch hex key.
Once 45 psi setting has been achieved, secure the locknut.
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