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NOTE: The meter can be easily disassembled into its main parts without removing the body from the pipes:
- Never remove meter label from the meter.
- Cleaning is done with a soft brush or small tool (i.e. a screwdriver).
- During cleaning, be careful not to damage the measuring chamber or nutating disk.
- A new calibration is always necessary after disassembling the measuring chamber.
7.2.
cLEANING OF THE MEASURING cHAMbER
7.2.1.
Remove the knob (2) by pulling it axially outwards. Remove Meter cover, Meter unit and Register base by following steps 4.3.1 to 4.3.4
from the section 4.3 'How to rotate the display'.
fig.5
7.2.2.
Remove the whole measuring chamber (13) by lifting it from the lower body (15) and at the same time pulling it back towards the inlet
in order to remove the O ring from its seat, fig.5.
7.2.3.
To check the inside of the measuring chamber (13) remove the O ring (fig.5).
7.2.4.
Divide the two half chambers (10 and 12) containing the nutating disk (11) (fig.6).
fig.7
7.2.5.
Use a soft brush or a small tool (i.e a screwdriver) to clean the measuring chamber. Be careful not to damage the chamber or the disk,
fig.7.
7.2.6.
To reassemble reverse the described procedure paying particular attention to lubricating the Seal (14) and O ring before installation,
fig.8.
7.2.7.
Check the gear unit (9) can rotate freely before fixing the cover, fig.9.
7.2.8.
Recalibrate the meter as mentioned in section 5 Calibration.
8. TROUbLESHOOTING
Problem
Cause
Poor accuracy
Wrong calibration
Soiled or blocked meauring
chamber
Air in the fluid
Reduced flow rate
Clogged measuring chamber Clean measuring chamber,
Blocked or soiled filter
© Jack Sealey Limited
fig.6
fig.8
Solution
Recalibration see section 5
Clean measuring chamber,
see section 7.2
Locate and eliminate leaks
in inlet lines
see section 7.2
Clean the filter
Original Language Version
fig.9
TP956.V2 | Issue:1 15/10/18
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