Tools
Use suitable tools.
Functional test / start-up
Follow the functional test / start-up information in the brief instructions ( www.festo.com).
1.2.3 Cleaning and greasing
Cleaning
The components must be thoroughly cleaned to remove all foreign particles, machining residues and
old lubricants before they are greased.
Clean with a soft, lint-free cloth and non-abrasive cleaning agents. Check the compatibility of the clean-
ing agent with the materials to be cleaned.
Thin grease lm outside
A lm of grease covers the external surface so that the grease colour tarnishes the surface slightly.
Recommendation:
Apply the grease with a soft brush or similar.
1.3 Text designations used in these repair instructions
– General lists.
Reference to further information
Underlined, blue text indicates a cross-reference or hyperlink that you can click on in the PDF.
1.4 Tools
Among other things, the following standard tools are required to repair the quarter-turn actuator:
– Spanner
– Retaining ring pliers for external retaining rings
– Torque wrench
2 General safety instructions and information
2.1 General safety instructions
Warning
Read and follow all safety instructions and information. Failure to comply with these safety instructions and informa-
tion can result in serious injuries.
Note
To achieve ATEX conformity, the toothed discs must be replaced each time the corresponding screws or bolts are loos-
ened. When screwing back in, observe the tightening torques given for the screws.
– The control block may only be repaired by authorised and trained personnel acting in accordance with the require-
ments in these repair instructions and the brief instructions for the device.
6 / 74 DFPDb_en
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