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7.2 SPECIAL MAINTENANCE
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CAUTION
• Only Skilled Technicians are authorised to carry out special maintenance.
• Dispose of waste oil correctly; do not throw it away in the environment
Follow the instructions in the table below for special maintenance.
1) check more frequently if liquids are used with suspended abrasive particles.
2) we recommend replacing diaphragms regardless of their condition if particularly aggressive chemicals are used.
3) Oil must be changed when diaphragms are replaced; first oil change must take place after 300 hours
4) check more frequently if the pump operates in conditions of heavy vibration.
WARNING
• The data in the table are indications. Maintenance may be required more frequently in cause of
particularly heavy use.
8 REPARATION
Only trained personnel are allowed to dismantle the pump in accordance with the current regulations
in the country where it is installed.
9 PROBLEMS, CAUSES AND SOLUTIONS
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CAUTION
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Before undertaking any action, follow the instructions in the "SWITCHING OFF" section.
If it is not possible to restore correct operation of the pump using the information in the table
below, contact a Skilled Technician.
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