R-30 Y
6. DISMANTLING AND ASSEMBLING THE VALVE
6.1. Preparation
1.
Required tools:
Standard hand tools:
14
mm spanner open at one end and ring at the other
16
mm spanner open at one end and ring at the other
19
mm spanner open at one end and ring at the other
20
mm spanner open at one end and ring at the other
24
mm spanner open at one end and ring at the other
2.
Release Pressure - Make sure that the water supply to the valve is switched off, release any residual pressure and
isolate the valve from the pipeline by closing the upstream and the downstream isolation valves.
6.2. Disassembling the control loop
1.
Using a
16
mm spanner, disconnect the control tube from the restriction orifice [A] - [B].
2.
Using a
16
mm spanner, disconnect the control tube from the restriction orifice
[C] - [D].
1
1
2
2
