MSA AirXpress One - Maintenance and Cleaning Procedures; General Maintenance Instructions; Maintenance Schedule

Maintenance and Cleaning
22
AirXpress One/AirXpress 2 Fire
GB
4. Maintenance and Cleaning
The user who buy the whole SCBA must make annual regularly checking plan and implement.
The regularly checking should be one time every year.
Maintenance Instructions 4.1.
This product should be regularly checked and serviced by trained specialists. Inspection and service records must be
maintained. Always use original parts from MSA. Repairs and maintenance must be carried out only by authorized
service centers or by MSA. Changes to devices or components are not permitted. Do not use organic solvents such as
nitro solution, alcohol, alcohol solution, gasoline and trichloroethylene etc. When drying/washing, do not exceed the
maximum permissible temperature of 60.
MSA recommends the following maintenance intervals. If necessary considering the usage, tasks may
be at even shorter intervals than indicated. For any doubt, ask your local MSA authorized service center.
Maintenance Intervals 4.2.
Below is the requirement for the maintenance schedule for each part. Testing for the mask and demand valve should be
done on the complete set of the apparatus, and cylinder pressure should not be lower than 120 bar.
Component Maintenance Item Minimum intervals for checking, maintenance and repair
Before use After use Every year Every 2
years
Every 3
years
Every 9
years
Demand
valve
Cleaning and
disinfection
X
Check
diaphragm
X X
Replace
diaphragm
X
Tightness
check
X X X
Check closing
pressure
X X
Overhaul
inspection
X
Reducer Alarm device X X X
Replace high
pressure seal
ring
X
Full-function
check
X X
Overhaul
inspection
X
Medium-
and High-
pressure
parts
Appearance X X X
Sealing
property
X
Cleaning X X
Pressure
gauge
X
Breathing
device
Complete set
cleaning
X X
Function test,
leak test
X X
Completeness
test
X X