REED switch can now be replaced on the meter in the recesses
provided.
Excessive tightening of the reed switch securing screws should
be guarded against at all times.
Meters should not be fitted systems which are subjected to any
excessive hydraulic shock, or damage to the meter internals may
result.
Electrical Connections.
Electrical connections between the meter and the indicating of
control instrument shall be made using screened cable. The reed
switch assembly is provided with a short length of flying lead. The
reed switch is encapsulated in hermetically epoxy resin. The switch
withstand temperature up 100°C and is completely waterproofed
The maximum
recommended
lenght of cable is 100 metres.
Dism antli ng.
The meter has been designed to require the minimum of
maintenance. However, genera/ planned maintenance is
recommended and the following procedures may be adopted
for alt maintenance purposes:
Isolate the meter from its source of supply and if possible drain
it.
Remove the REED switch.
Remove the meter from the pipeline by undoing the union nuts
and springing the pipework slightly to disconnect the
connections or with flanged version of the meter by undoing
flanged bolls and sliding the meter from belween the system
flanges.
Empity liquid from the meter.
Undo the socked head cap screws from one end of the meter
and remove the end port. Some resistance will be felt when
removing the parte as an "O" ring seal is located on the end
place spigot.
Remove the piston chamber place by lifting vertical/y out of the
body using the centre knob provided.
Remove piston by gently lifting from the body.
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