AVL DiGas 4000 - Page 13

4000 Periodic Maintenance
Service Manual 1-3
Maintenance work
Daily
Weekly
Six-monthly
(minor maintenance)
One a year
(major maintenance)
Comment
Entry in main-
tenance log book
Opacity measuring chamber
type A

Visual check
(silicon seal, leaks in
housing, housing
components, closure
fittings, snap mechanism
of the optical elements,
electrical connections,
probe connection plate
O-ring, electrical cables,
soiling of measuring
chamber and purging air
channel)
Function check (fans,
heating, changeover
valve)
Cleaning of optical
elements
Linear check
Change lamps
Opacity measuring chamber
type 4000

Visual check
(silicon seal, leaks in
housing, housing
components, closure
fittings, snap mechanism
of the optical elements,
electrical connections,
electrical cables)
Function check (fan,
heating, changeover
valve)
Cleaning of optical
elements
Linear check