1.2 Exploded diagram
16
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A
2
15
19
14
4
1
1.3 Installing/replacing the regulating cone
Hot surfaces!
▶ Risk of burns!
●
▶ The procedure for replacing the spare parts kit is the
same for all control functions.
1. Remove the actuator A (see chapter "Removing the actu-
ator from the valve body").
2. Heat the retaining washer/regulating cone 19 to approx.
180 °C.
▶ Heating makes the thread locking compound easier to
remove.
3. Unscrew the retaining washer/regulating cone 19 using
an appropriate tool.
4. Remove the seat seal 14.
5. Clean all parts; do not scratch or damage the parts during
cleaning.
▶ When replacing the parts, make sure that the correct
spare parts kit for the size is used.
6. Place the new seat seal 14 in the valve plug 15.
7. Apply appropriate thread locking compound to the thread
of the valve plug 15.
8. Position retaining washer/regulating cone 19 on the
spindle 2 (hold the spindle 2 in place using an appropriate
tool that will not damage the spindle surface) and tighten
it.
9. Place a new gasket 4 in the valve body 1.
10. Fit the actuator A.
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CAUTION
Wear appropriate protective gear when
installing.
NOTICE
NOTICE
NOTICE
GEMÜ 514, 530, 532, 534, 550,
1Removal
554