HEROSE 0681 Series, Operating Instructions Manual

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Operating instructions
herose.com
9
7 Maintenance and service
7.1 Safety during cleaning

Take note of the specifications in the safety data sheet and the general occupational health and
safety rules if degreasers are used for process-related reasons for the cleaning of bearing parts,
unions and other precision parts.
7.2 Maintenance
The maintenance intervals must be defined by the user according to the operating conditions.
The recommendations for the functional checking of the safety valve are to be taken from section 7.2.1
"Inspection and maintenance intervals" in these operating instructions.
7.2.1 Inspection and maintenance intervals
Recommended intervals
Inspection Interval Scope
Inspection

During start-up
 Visual inspection
 of the angle valve for
damage;
 of the valving marking for
legibility;
 for absence of damage to
the sealing
 Leak-tightness
 Union of the valve seat;
 If existent, actuation of the lifting
device.
Functional testing  Annually
 If present, test of lifting device
including visual inspection.
External inspection  Every 2 years
 Function and tightness test
including visual check.
Internal inspection  Every 5 years
 Replacement of all sealing
elements by the manufacturer
including functional, tightness
test and visual check.
Hydraulic test  Every 10 years

Replacement of all sealing
elements by the manufacturer
including functional, leak-
tightness, pressure test and
inspection.