Flowserve PMV D3 Digital Positioner - Manual (Page 37)

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8. Maintenance/service
Disassembling PMVD3
Removing cover and inner cover
• Unscrew the screws A and remove the
cover.
• Pull off the arrow pointer, B.
• Unscrew the screws C, pull the inner cover
slightly in the direction of the arrow, and
remove the cover.
When carrying out service, replacing a circuit board, etc., it may be necessary to remove
and refit various parts of the positioner. This is described on the following pages.
Read the Safety Instructions on page 3 before starting work on the positioner.
Cleanliness is essential when working with the positioner. Contamination in the
air ducts will infallible lead to operational disturbances. Do not disassemble the
unit more than that described here.
Do not take the valve block apart because its function will be impaired.
When working with the D3 positioner, the work place must be equipped with
ESD protection before the work is started.
Always turn off the air and electrical supplies before starting any work.
A
B C
➜