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9. Maintenance
Maintenance work such as inspections or re-
pairs must be carried out by the manufacturer
(Weinmann) or by a trained and authorized
dealer.
You must have the pressure reducer serviced
regularly as follows.
In the event of dirt problems, and at
least every 2 years:
•
Replace the filter screw
placing the filter screw " page 42).
Every 4 years:
•
Replace all parts subject to wear and
tear (filter screw, sintered filter, seal ele-
ments).
•
Perform a final check in accordance with
the test instructions.
Oxygen cylinders
Oxygen cylinders must be subjected to retest-
ing at regular intervals by the responsible test-
ing organization. Before using an oxygen
cylinder check that the date for retesting has
not expired. Oxygen cylinders must not be
used if this date has expired. See the data
stamped on the cylinder for the date of retest-
ing.
English
(see "9.1 Re-
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