AVL DiSmoke 4000 - Major Maintenance Procedures

Periodic Maintenance AVL 4000
1-8 Service Manual
1.4 Major Maintenance
1.4.1 AVL DiGas 4000
•
Evaluation Unit
Check using software
− Raw data from 4-gas measuring instruments unit OK?
− O
2
sensor is OK?
− NO sensor is OK?
Open evaluation unit (remove cover)
Visual inspection, clean pcb
If necessary update setpoint data and software
Close housing, seal with service seal
Enter in maintenance log book
• Cleaning
Replace particulate filter
(see section 5.3.3 Particulate Filter)
Check O-ring paper filter
Visual inspection probe and hose
Clean condensate pump
(using cleaning kit)
Function test
− Leak test
− Gas calibration