AVL DiGas 4000 - AVL Dismoke 4000

4000 Periodic Maintenance
Service Manual 1-5
1.3.2 AVL DiSmoke 4000
•
Evaluation unit
Visual inspection
Enter in maintenance log book
• Opacity measuring chamber, type 4000
Visual check
− Silicon seal
− Leaks in housing
− Housing components (cracks, faults)
− Closure fittings, snap mechanism of optical elements
− Electrical plug connections and cables
− Probe hose, probe clamp
Function check
(each test is described in the Operating Manual)
− Test function of fan
− Test function of heating
− Check changeover valve
− Clean the optical elements (by wiping)
− Linear check