HEROSE 0125 Series, Operating Instructions Manual

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Operating instructions
herose.com 13
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.
Refer to section 7.2.1 for the recommendations for the test and maintenance intervals.
7.2.1 Test and maintenance intervals
Recommended intervals
Description Interval Scope
Inspection  During start-up

Visual inspection

of the globe valve for damage;
 of the valving marking for
legibility;
 Installation position;
 Leak-tightness
 at the gland packing;
 between bonnet and body;
 of the globe valve seat;
 Test the opening and closing
functions of the globe valve.
Functional testing  annually
 Test the opening and closing
functions of the globe 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.