VESDA VESDA Maintenance Guide
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5. Remove the two screws (A) holding the chamber (Figure 8-25).
Figure 8-25: Remove Chamber Mounting Screws
6. Use a 10mm spanner or a large flat bladed screwdriver to press down on the black ring near the secondary
filter (B) whilst simultaneously using the other hand to remove long tube (Figure 8-26).
Figure 8-26: Remove Long Tube