ALFA LAVAL UNIQUE RV-ST VALVE INSTRUCTION MANUAL—REV 8/21
5 Maintenance
Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly.
NC = Normally closed.
NO = Normally open.
5.7 Dismantling of fully maintainable actuator (removable yoke with bolts/2006-June 2016)
If the actuator is marked with a danger warning, do N
NO
OTT attempt to cut the actuator open.
See also section
DO NOT DISASSEMBLE
kg
!
SPRING UNDER LOAD
kg
!
Do N
NO
OTT attempt to disassemble the actuator due to spring
under load danger!
Do N
NO
OTT attempt to cut the actuator open due to spring
under load danger!
Before dismantling check that the actuator not is marked with a warning.
1. Rotate cylinder.
2. Remove lock wire and pull away cylinder.
3. Unscrew nuts and remove yoke.
4. Top and bottom bushings.
5. Remove piston with O-ring and spring assembly.
6. Remove O-rings and support disc.
Rotate cylinder with
service tool.
N
Noottee!! The A/A actuator has no spring assembly.
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