HEROSE 4182, Руководство по эксплуатации

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Operating instructions
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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 valves 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 valve for damage;

of the valving marking for legibility;
 Leak-tightness
 between body and spring cover
 of the connections
 Check of the operating pressure set point.
Functional testing

Annually
 Check of the operating pressure set point
including a visual inspection.
External inspection

Every 2 years
 Function and tightness test including visual
check.
Internal inspection

Every 5 years
 Replacement of all sealing elements, including a
function and tightness test as well as a visual
inspection.
Hydraulic testing

Every 10 years
 Replacement of all sealing elements, including a
function, leak and pressure test as well as an
inspection.