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...8.2.1 Dismantling and Cleaning – Figs. 8.1 to 8.4
Perform a manual clean (see Section 2.3)
1
to ensure that the wiper blade is in
the 'parked' position.
Unscrew the collar and
carefully withdraw the
cleaner module.
Unscrew the collar and carefully
withdraw the receiver module.
Clean the inside of the flowcell and other
5
assemblies using mild detergent.
Rinse thoroughly with de–ionized water.
Inspect the wiper blade for wear or damage and
6
fit a new one if necessary, ensuring that it is
fitted in the 'parked' position.
Refit the receiver and emitter modules using new seals,
7
ensuring that the module locating pins are seated
correctly in their keyways before tightening the collars.
4
3
Drain
valve
Inlet/Isolating
Valve
Fig. 8.1 7320 100 Low Range Sensor – Dismantling and Cleaning
Unscrew the collar and carefully
2
withdraw the emitter module.
Flowcell
Wiper Blade
(parked position)
Locating Pin
– see inset
Keyway
Seal
8 SENSOR MAINTENANCE...
Flow chamber as
viewed from above
(not to scale)
Wiper in
'parked'
position
Seal
Apply power to the sensor and perform a
8
manual clean (see Section 2.3) to ensure
that the wiper blade is fitted correctly and is
positioned as shown above when 'parked'.
Refit the cleaner module using a new seal,
9
ensuring that the module locating pin is
seated correctly in its keyway before
tightening the collar.
Locating
Pin
Keyway
51
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