Replacing The Air Filter In The Housing Base - Bosch FAS-420-TM Operation Manual

88 en | Maintenance
7.5

Replacing the Air Filter in the Housing Base

Figure 7.2 Replacing the air filter of the FAS-420-TM
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F.01U.088.878 | 4.1 | 2010.11
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Remove the four screws from the detection module using a screwdriver and pull the
detector module out of the housing base.
Pull both filter brackets out of the housing base and remove the filter inserts. Carry out a
visual check for contamination and replace the filter if necessary. Then put the filter
bracket back into position.
Retighten the four screws on the detector module using a screwdriver.
Operation Guide
FAS-420-TM Aspirating Smoke Detector
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Bosch Sicherheitssysteme GmbH
Screws
Air filter bracket
Filter insert