Maintenance And Service - HEROSE 0651 Serie Instrucciones De Servicio

7

Maintenance and service

7.1 Safety during cleaning
Take note of the specifications in the safety data sheet, the general occupational health and

safety rules and the HEROSE information sheet "Use with oxygen" if degreasers are used for
process-related reasons for the cleaning of bearing parts, unions and other precision parts.
7.2 Maintenance
The maintenance and inspection intervals must be defined by the operating company according to the
operating conditions and the national regulations.
The manufacturer's general recommendations for the maintenance and inspection of the valve are given
in the table below and are based on the national standards of the country of manufacture.
Inspection and maintenance intervals
Description
Inspection

Functional

testing
External

inspection
Internal

inspection
Strength test

22
Operating instructions
Recommended intervals
Interval Scope
During start-up



Annually

Every 2 years

Every 5 years or ≥

500 loading cycles
Every 10 years

Phone +49 4531 509-0
Visual inspection
of the diverter valve for damage:

of the valving marking for legibility;

Leak-tightness
at the packing gland;

between body I and body II;

of the valve seat;

at the connections;

at the plug screw;

Test the opening and closing functions of the
diverter valve.
Test the opening and
closing functions of the
diverter valve including a visual inspection.
Function and tightness test including visual
inspection.
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 and tightness test as well as an inspection.