Keeping the World Flowing
31
16.0 Periodic Maintenance
Rotork Fluid Systems recommends performing the following checks to help comply with the rules and regulations
of the country of final installation:
Remove pressure before proceeding with maintenance operations, discharge any accumulators
or tanks (if presents), except where otherwise indicated.
Periodic Maintenance Schedule
MAINTENANCE ACTIVITY PERIODICITY REFERENCE
Months Years
Visual check of external components and control groups 6* *
Verify welding. In case of anomalies contact RFS 6* *
Breather cleaning 6* *
Check pneumatic connections for leaks. Tighten pipe fittings as required - 1*
Cleaning - 1* PM-GP-001
Visual check of painting. Verify absence of damages.
Repair if necessary per painting specification
- 1*
Functional test - 1* PM-GP-002
Functional test by Manual Override - 1* PM-GP-003
Check electrical components (if present) and grounding connections - 1* PM-GP-004
Check threaded connections (bolts, studs and nuts) with valve. If necessary
tighten to the recommended torque, in accordance with the size and the
characteristics of the fastener material installed by the Customer
1*
Single-acting actuator hand pump oil replacement (if present) - 5* PM-GP-005a
Double-actuator hand pump oil replacement (if present) - 5* PM-GP-005b
Pneumatic Cylinder and centre body seals replacement
(Single- and Double-Acting Actuator)
- 5* PM-GP-006
Hydraulic Cylinder for manual override seals replacement - 5* PM-GP-007
(*) The time between maintenance tasks will vary depending on the medium and service conditions. Refer to End User Plant Preventive Maintenance
Program for specific task periodicity.
For Functional Safety applications refer to Safety Manual.
Specific maintenance could be necessary for specific application. Refer to job documentation for eventual additional
maintenance tasks.
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