ROTADISK Pneumatic Actuator RD & RDF
Operating Manual ā BA3002 EN
8 Repair
Page 48 of 79
Do not use a solvent to clean the piston pair [10].
17. Grease the cleaned parts with low-temperature grease.
Flowserve Flow Control GmbH recommends the low-temperature grease SAPPHIRE
Lo-Temp 2 made by ROCOL.
18. Pull the new O-rings [12] onto both pistons [9].
19. Assemble the two pistons [9] with the double swing arm [11] in a piston pair [9].
20. Hold the guide bands tight and push the piston pair [9] back into the body [10].
Make sure that the marks on the piston [9] and body wall are in line.
21. Centre the piston [9] or double swing arm [11] in the middle below the shaft
bearing.
22. Grease the bearing opening [13] on the bottom side of the body flange.
Flowserve Flow Control GmbH recommends the low-temperature grease SAPPHIRE
Lo-Temp 2 made by ROCOL.