Promac SY-350V Operating Instructions Manual page 16

THE MINIMUM PERCENTAGE OF OIL DILUTED IN
WATER IS 8~10%.
10.6 Oil disposal
Oil products must be disposed in a proper manner
following local regulations. Please refer to "Machine
disposal."
10.7 Special Maintenance
Special maintenance operations must be carried out by
skilled personnel. However, we advise contacting dealer
and/or importer the term special maintenance also covers
the resetting of protection and safety equipment and
devices.
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