5.
Screw in the sintered filter.
6.
Seal the pressure gauge (see Chapter 9.3.5 Adhesive and sealant, Page 88,
sealing conical threads) and screw in up to the desired position.
9.9 Maintenance activities safety valves
WARNING
Danger of injury for compressed gas escaping!
The resultant noise can damage hearing. Ejected particles may cause eye inju-
ries.
Wear protective goggles and personal ear defenders.
Check the safety valves with utmost care when the compressor is running.
Do not repair safety valves; replace them completely.
Follow the following instructions:
•
The blow-off pressure of the safety valves must be checked at regular inter-
vals. The country-specific statutory stipulations apply to the test intervals.
BAUER KOMPRESSOREN however recommends an annual check of the safety
valves.
•
If a check of the response pressure is impossible for technical reasons, the
safety valves will need to be replaced.
•
Only competent personnel may check the safety valves, see Chapter 2.6.2
Personnel selection and qualification, Page 25.
•
The compliance with the test intervals and the organisation of the check is the
responsibility of the operator.
9.9.1 Checking the blow-off pressure
BAUER KOMPRESSOREN recommends that the intermediate pressure safety
valves be replaced very carefully. A the blow-off pressure can be tested only with
considerable expenditure.
1.
The final pressure switch is, if available, bypassed.
Set the unit to the final pressure when the drain cock or filling valve is closed.
Ä
The final pressure safety valve blows off.
2.
Compare the blow-off pressure of the final pressure safety valve with the final
pressure display.
OPERATING MANUAL Maintenance | 9
28.08.2019
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