Periodic Maintenance AVL 4000
1-4 Service Manual
1.3 Minor Maintenance
1.3.1 AVL DiGas 4000
•
Evaluation unit
Check using software
− Raw data from 4-/5-gas measuring instruments unit OK?
− O
2
sensor is OK?
− NO sensor is OK?
Visual check of outside
Entry in maintenance log book
• Cleaning
Replace particulate filter
(see section 5.3.3 Particulate Filter)
Check O-ring paper filter
Visual inspection of probe and hose
Function check
− Leak test
(see Operating Manual)
− Gas calibration
(see Operating Manual)