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Checks
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AVL 415SE Smoke Meter — Maintenance Guide
3.1.3
Check the Metering Pipe
If the new correction factor is less than 0.7 or greater than 1.3, the Smoke Meter
needs a service.
To make access easier when dismantling:
1.
Unlock the clamping lever by opening the ratchet clip.
2.
Press the ratchet clip upwards against the tension spring and remove to the
right.
Part of the metering pipe is integrated in the clamping block which is
extended by the screwed-on orifice pipe.
3.
Remove the orifice pipe (fastened to the clamping block by two screws).
Be careful – the orifice plate and O-rings might fall out!
4.
Clean the parts carefully, especially the orifice in the plate.
5.
Reassemble as shown below noting the direction of the orifice bore taper!
6.
Insert the ratchet clip on tension spring and close the clamping lever.
3.1.4
Examples of External Volume Measuring Systems
AVL Volume Tester
Dry gas meter (for a flow measurement range of 8 … 16 l/min)
AVL Volume
Tester
Material number: GH0326SP
Material number: TM0415VOLA.01
(GH0326 incl. Deconnex Fluid No. 11 HC0013)
Information
After reassembly, a new leak check must be carried out and the volume correc-
tion factor needs to be determined again!
Fig. 33 Metering pipe
Information
Delivery restriction may be possible, security data sheet (MSDS) ist available.