ALFA LAVAL UNIQUE SSV STANDARD VALVE INSTRUCTION MANUAL—REV 3/19
5 Maintenance
Study the instructions carefully.
The items refer to the parts list and service kits section. Handle scrap correctly.
A/A = Air/air activated.
Service tool: see spare parts.
5.8 Dismantling of fully maintainable actuator (yoke without bolts/June 2016 -> )
If the actuator is marked with a danger warning, do N
NO
OTT attempt to cut the actuator open.
See also section 5.5 Actuator types
DO NOT DISASSEMBLE
kg
!
SPRING UNDER LOAD
Do not attempt to cut open
kg
!
WARNING
SPRING UNDER LOAD
DO NOT ATTEMPT TO CUT ACTUATOR OPEN
REFER TO SERVICE BULLETIN
!
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.
Do N
NO
OTT attempt to cut the actuator
open due to spring under load danger.
B
Beeffoorree ddiissm
maannttlliinngg::
Check that the actuator not is marked with a warning.
1. Rotate cylinder.
2. Remove lock wire and pull away cylinder.
3. Top and bottom bushings.
4. Remove piston with O-ring and spring assembly.
Rotate cylinder with
service tool.
N
Noottee!! The A/A actuator has no spring assembly.
2200-0108
5.9 Mounting of fully maintainable actuator
D
Deeppeennddiinngg oonn ttyyppee ooff aaccttuuaattoorr cchhoooossee sstteepp 11 oorr sstteepp 22..
S
Stteepp 11
Reverse order of 5.7 Dismantling of fully maintainable actuator (removable yoke with bolts/2006-June 2016)
Tighten nuts to a torque of 12 lbf - ft (17 Nm).
Lubricate O-rings (3, 7, 11) with Molykote Longterm 2 plus before fitting.
Tighten bushings with a torque = 7 lbf - ft (10 Nm) and be careful not to overtightened. See also section 5,6 for tool infomation
S
Stteepp 22
Reverse order of 5.8 Dismantling of fully maintainable actuator (yoke without bolts/June 2016 -> )
Lubricate O-rings (3, 7, 11) with Molykote Longterm 2 plus before fitting.
Tighten bushings with a torque = 7 lbf - ft (10 Nm) and be careful not to overtightened.
See also section 5,6 for tool infomation.
35
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