Flomec D-40 Gebrauchsanweisung - Seite 9
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8
Maintenance
4.0
Maintenance Adhering to the installation instructions in this manual should ensure your meter provides
the required operational performance. The mechanical operation of these meters requires a periodic maintenance
and inspection regime to maximize the operational availability of the meter.
The frequency of maintenance depends on the application factors including liquid lubricity, abrasiveness and
operational factors such as flowrate and temperature.
BEFORE undertaking meter maintenance ensure the following :
Associated alarm(s) or control output(s) are isolated so not to affect the process.
The meter is isolated from any source of supply of liquid upstream or downstream.
The meter is depressurized and liquid drained from the meter.
4.1 Disassembly of Pulse meter (Refer Exploded View)
The meter is fitted with an integral instrument the instrument display assembly must be removed if required to
gain access to the instrument terminal connections, instrument battery or pulse output board. This is achieved by:
1.
Undo the bezel screws and separate the display assembly from its base. Do not stress or damage the
wires that connect the display assembly to the meter output. Take care not to misplace or damage O-
ring(s).The pulse output board can now be accessed.
2.
To remove the pulse output board, first undo the screws that fix the instrument base to the flowmeter
(Refer Exploded View).
If required to gain access to the oval geared rotors undo the 6 body screws (5), carefully pry the meter body apart
avoiding misplacing or damaging the O-ring (3) and rotors (2).