SOMAS MTV - Page 39

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Original document - Mi-205 EN Edition: 2021-04
Installation and disassembly MTV/FSV
When using PTFE stuffing boxes, the actuator is always to be disassembled
(
➔ Chap. 5.4).
When using graphite stuffing boxes, the actuator can remain installed. In this
case you can install the graphite rings by cutting through them at an angle and
then carefully pushing them over the shaft (
➔ Fig.6-4/5).
1 Nut 3 Graphite/PTFE rings 5 Graphite rings
2 Stuffing box gland 4 Key
Fig.6-4 Assembly of the stuffing box
1. Remove the key (➔ Fig.6-4/4) and undo the nuts (➔ Fig.6-4/1).
2. Remove the stuffing box gland (
➔ Fig.6-4/2) and insert the graphite rings
(
➔ Fig.6-4/5).
3. Fix the stuffing box gland again with the nuts.
4. Tighten the nuts alternately, but not too tight.
5. Insert the new key.