Honeywell FlexLine SmartServo 954, Service Manual

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MAINTENANCE
Part No.: 4417340 Revision 1 Service Manual 265
954 SmartServo FlexLine
Removing the measuring drum
Removing the drum from the housing requires no tools. Keep the drum,
the outer magnet and the outside of the magnet cap thoroughly clean.
To remove the drum, proceed as follows:
1. Issue the Calibrate command to raise the displacer • If
applicable close the ball valve and release the pressure
gently.
2. Give Unlock command to lower the displacer from tank
top position.
3. Issue a Freeze command when the displacer comes
within reach.
4. Switch-off the mains.
5. Remove the drum compartment cover.
6. Remove the displacer from the measuring wire. Attach a
small weight on the wire to keep it positioned in the
groove. Do not damage the measuring wire.
7. Pull out the drum and fix the wire to the drum with a
rubber band.
8. Do not kink the measuring wire and handle drum
carefully.
If the displacer cannot be accessed through an opening the gauge must
be removed from its mounting position:
9. Raise the displacer to maximum height, at least above
the ball valve, when present.
10. Switch-off the mains.
11. If applicable close the ball valve and release the
pressure gently.
12. Remove the drum compartment cover.
13. Take off the 954 SmartServo FlexLine, raising the
displacer above the connecting flange.
14. Remove the displacer from the measuring wire.
15. Pull out the drum and fix the wire to the drum with a
rubber band.