Graco REGULUS 003.175-DP User Information page 18

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The pump diaphragms become fatigued due to flexing work, and are subject to natural wear.
We recommend carrying out a safety inspection or if necessary exchanging the diaphragm
at regular intervals to prevent diaphragm breakage.
Always replace both diaphragms.
If there is no automatic drainage of water from the compressed air supply, condensation
water should be let out daily from the pressure tank, filter and filter regulator.
When using anti-freezer (operating at 10 °C) replenish after use.
The diaphragm safety valve must be checked for functionality once a year. This entails
exceeding the maximum permissible operating pressure slightly (opening pressure up to
1.1 times the maximum permissible operating pressure).
The service life of the hose lines is adversely affected, and thus shortened, by surrounding
influences (oxygen in air, temperature, light, etc.), even if correctly. It is recommended that
they undergo regular visual checks and occasional checking of performance. As a
precaution the hose lines should be replaced at intervals set by the operator (- after 2 to 3
years).
Do not carry out any dismantling work on a diaphragm pump that is under pressure.
Regularly watch the diaphragm pump during operation!
Abnormalities such as:
major pressure fluctuations
changes in running sound
irregular running
are normally signs that the diaphragm and control components are in an advanced state of wear.
A timely renewal prevents consequential damage.
To avoid increased wear and tear of control components
through contaminated air a filter
air connection of the diaphragm pump. If the stroke frequency
decreases over time this should be cleaned.
- to clean, simply unscrew compressed air connection with
filter.
Fig. 14
16
is fitted to the compressed
B.6.50.80-B-GB

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