Maintenance And Service; Inspection And Maintenance Intervals - HEROSE 4182 Notice D'utilisation

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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

Inspection
Inspection
Functional testing
External inspection
Internal inspection
Hydraulic testing
Operating instructions
Recommended intervals
Interval
 During start-up
 Annually
 Every 2 years
 Every 5 years
 Every 10 years
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Scope
 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.
 Check of the operating pressure set point
including a visual inspection.
 Function and tightness test including visual
check.
 Replacement of all sealing elements, including a
function and tightness test as well as a visual
inspection.
 Replacement of all sealing elements, including a
function, leak and pressure test as well as an
inspection.
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