Cleaning The Measurement Line Of The Underpressure Controller; Cleaning The Lambda Probe - Fröling SP Dual compact 15 Operating Instructions Manual

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5.4.2 Cleaning the measurement line of the underpressure controller

5.4.3 Cleaning the Lambda probe

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❒ Loosen the twin wire clamp with pliers and remove the measurement line
❒ Clean the measurement line carefully with low-level compressed air
➥ WARNING! Do not direct compressed air into differential pressure transmitter!
❒ After cleaning, refit the measurement line (port "P2")
❒ Carefully remove the Lambda probe (1), adapter (2) and plastic bushing (3)
➥ Pay attention to the cables of the Lambda probe!
❒ Carefully remove impurities from the measuring ports with a fine brush and ash
vacuum
➥ Hold the Lambda probe with the tip downwards so that deposits can fall out of
the measuring ports
❒ Check the adapter and plastic bushing for dirt and cracks, replace if necessary
➥ IMPORTANT: The seal surface of the plastic bushing must lie flat after
assembly
CAUTION:
▪ Do not clean the Lambda probe with compressed air
▪ Do not use chemical cleaning agents (brake cleaner, etc.)
▪ Careful handling of the Lambda probe, no "tapping" or cleaning with a wire brush
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Servicing the system
Maintenance work by technicians