TESTO 325-3, Инструкция по эксплуатации

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15
Maintenance
Flue gas probe
Cleaning the flue gas probe if the gas path is clogged
Remove the probe stem and place in hot water. Move about in
hot water. Blow air through pipe or clean with a round brush (e.g.
made of brass).
Changing a defect thermocouple
Pull out the bending protection spring from the guide at the back
outlet with a counterclockwise movement and pull out the tube
to the left. Pull out the thermocouple by the tube.
Lever the thermocouple out of the handle with the aid of a
screwdriver.
Remove the bending protection spring and take the tube out of
the holder in the handle and out of the slit. Push the bending
protection spring over the new thermocouple.
When inserting the new thermocouple do not press on the
thermocouple tube. Press it into place with the help of a small
screwdriver.
Only remove the thermocouple if it is defect. The
thermocouple may be damaged when pulled out by the
connection tube.
testoterm
testoterm
testoterm
testoterm
Cleaning the flue gas pump
Open the housing on the measuring instrument (See page 16,
Items 1 - 8).
- Take out the pump carefully.
- Insert “Pump Tool” in the pump head guides.
- Take off “Pump Tool” together with the pump head.
- Remove diaphragm holder from pump head and take out
diaphragm.
- Clean pump diaphragm, pump plate and pump head with
spirit or water.
- Place pump diaphragm in the diaphragm holder and insert in
the pump head
- Place pump head on pump.
- Remove “Pump Tool”.
- Place pump in assembly block.
- Reassemble measuring instrument (see page 17).
PUMP
TOOL
Pump
Part no.
(0239.0015)
Pump plate
Pump head
Pump Tool
Pump Tool
(Part no.
0192.0468)
Diaphragm
0193.0072
Diaphragm
holder