MSA
Maintenance and Cleaning
SSR 90 [K60]
14
GB
4.4
Maintenance Intervals
4.5
Documentation
MSA recommends keeping a file for each device where the serial numbers, the
dates of manufacture and the dates and results of the inspections are recorded.
National regulation must be observed, e.g. control interval according
German Mining Regulation.
User specific conditions may require shorter intervals.
The service life depends on the type and kind of treatment to which the
device were subjected.
Intervals
1
1. The intervals are based on the date of manufacture [month/year] on the con-
tainer. Devices manufactured in the same year are considered as "population"
and should be combined for inspection.
Inspection
Before and after carrying External visual check:
Check, that the seal is intact and that there are no
external damages on the device.
Annully
Tightness check
2
2. Tightness test with tightness tester D1118845 or by MSA Customer Service.
After 3 years
3
3. It is recommended that a service contract with MSA Customer Service is made.
Tightness check
2
and complete check
4
of 3% of the
representative population of devices which are carried
along or stored on vehicles.
4. Complete check = Internal inspection and check. The result will decide whether
the device can be used further.
After 5 years
3
Tightness check and complete check
4
of 3% of the
population.
After 7 years
3
Tightness check
2
and complete check
4
of 3% of the
population.
After 9 years
Tightness check
2
and complete check
4
of 3% of the
population.
After 10 years
Replace device, use no longer permitted.