Replacing The Regulating Cone - Gemü 566 Betriebsanleitung

14 Inspection and maintenance

14.4 Replacing the regulating cone

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14.4.1 Disassembly without assembly tool
1. Remove the actuator (see chapter 12.1 "Removing the ac-
tuator).
2. Undo the hexagon socket screws 6.
3. Remove the washers 7.
4. Remove the valve body 1 from the control mechanism 4 .
ð Do not damage the sealing surfaces!
5. Remove the circlip 28.
ð Compression spring 23 is under tension.
6. Remove the washer 22.
7. Remove the compression spring 23.
8. Remove the valve spindle 21 and regulating cone 3 with
the mounted isolating diaphragm 2 by withdrawing them
downwards.
GEMÜ 566
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14.4.2 Disassembly with assembly tool
1. Have the assembly tool to hand.
ð The assembly tool must be ordered separately (order
key: 566000MWZ).
2. Remove the actuator (see chapter 12.1 "Removing the ac-
tuator).
3. Undo the hexagon socket screws 6.
4. Remove the washers 7.
5. Remove the valve body 1 from the control mechanism 4 .
ð Do not damage the sealing surfaces!
6. Tension compression spring 23 using the assembly tool.
ð Do not damage the sealing surfaces!
7. Remove the circlip 28.
ð Compression spring 23 is under tension.
8. Remove the valve spindle 21 and regulating cone 3 with
the mounted isolating diaphragm 2 by withdrawing them
downwards.
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