MSA
MAINTENANCE AND CARE OF THE SCBA
AirMaXX classic
29
(13) Clean harness in a suitable washing machine at max. 60°C.
(14) Clean lines, pressure reducer and pressure gauge preferable by hand.
If you want to clean under water: pressurise the pressure reducer and seal
the warning signal (e.g. with a flexible tube)
Attention!
The pressure reducer must be pressurised if submerged in water.
Make sure that no water penetrates high and medium pressure cavities.
(15) Shake out humidity from pressure reducer.
(16) Completely dry all compressed air breathing apparatus components in a
drying cabinet at max. 60°C.
4.4. Instruction for Assembling the Pressure Reducer
When assembling the pressure reducer on the back plate ensure the correct
setting of the lines.
The lines length between the stop pin on the upper part of the back plate and the
pressure reducer should be 350 mm.
4.5. Visual, Function and Tightness Check
(1) Visually check the high pressure O-rings (
Section 4.7).
(2) Attach the compressed air cylinder(s) to the back plate
(
Section 3.2 or 3.3).
(3) Check all parts of the compressed air breathing apparatus for visible defects
or malfunctions, such as incorrectly assembled harness, loose compressed
air cylinders, incorrectly fitted lines, etc.
(4) Open cylinder valve(s) and check operating pressure on pressure gauge.
•
The pressure values must read:
for 300 bar cylinders:
minimum 270 bar
for 200 bar cylinders:
minimum 180 bar
(5) Close cylinder valves.
•
After 60 seconds the pressure drop in the pressure gauge must not
exceed 10 bar.
(6) Check warning device (signal whistle) (
Section 4.6).
