Replacing The Particle Filter; Compact Flue Gas Probe; Cleaning The Probe Shaft - TESTO 320 Instruction Manual

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7 Maintaining the product
7.6.5.

Replacing the particle filter:

The filter chamber may contain condensate.
1. Open the filter chamber: turn slightly anti-clockwise.
2. Remove the filter cartridge and replace it with a new one
(0554 3385).
3. Attach the filter chamber and lock it: turn slightly clockwise.
7.7.

Compact flue gas probe

7.7.1.

Cleaning the probe shaft

✓ Disconnect the flue gas probe from the measuring instrument.
1. Loosen and remove halfshell handles (1).
2. Turn the sealing cap (2) clockwise as far as it will go and
remove probe shaft.
3. Blow compressed air through the probe shaft.
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