HEROSE 01312, 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 angle 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
Description Interval Scope
Inspection

During start-up 
Visual inspection

of the angle valve for damage;

of the valving marking for
legibility;

Installation position;

Leak-tightness

at the gland packing;

between bonnet and body;

of the valve seat;

Test the opening and closing
functions of the angle valve.
Functional testing

Annually 
Test the opening and closing
functions of
the angle valve 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.