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Installation, Operation and Maintenance Manual
RGS011110-3 Rev. 0
4�3
Maintenance Kit
To purchase your actuator maintenance kit, contact your Bettis distributor. Please have
the serial number of your actuator available. This number may be found on the actuator
label or stamped into the body of the actuator.
4�4
Piston Seal Replacement
1.
2.
3.
WARNING: EXHAUST ALL PRESSURE AGAINST END CAP
If there is force against the end cap, stop. Do not continue further until it is assured that the
unit is safe to disassemble.
4.
Figure 8
Maintenance
Exhaust all pressure and disconnect all supply lines.
Loosen all tie rod nuts until they are flush with the ends of the tie rods.
Check that there is no pressure against the end cap by verifying that the end
cap is not being forced against the tie rod nuts.
Remove the end cap. Be careful not to lose the cylinder seal located on the
internal side of the end cap.
Section 4: Maintenance
November 2015
12
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