Burkert Type 3236 - Manual (Page 34)

34
Repairs
Type 2035 / 3236
assembly of actuator and diaphragm
Body screws
Hand wheel Pressure pieces
Diaphragm
Screw
10
11
9
7
6
8
Fig. 29: Assembly of manually operated single actuator
→
Insert the diaphragm into the T-guide of the pressure pieces 6 .
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Insert the pressure piece into the actuator 7 . <Pay attention to
the following: The thread of the pressure piece spindle and the
hand wheel spindle must engage with each other
8 .
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Turn the hand wheel to the Open position 9 .
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Position and tighten the screw (for RV50 Allen-type, for RV70/
RV110 hexagonal) on the side of the actuator
10 .
→
Put the actuator / diaphragm on the body with correct alignment
(so that the markings made previously align).
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Tighten the diagonally opposed body screws / nuts until there
is visible, uniform mechanical contact between the valve body,
diaphragm and actuator
11 .
→
Tighten the diagonally opposed body screws / nuts twice with a
quarter turn and using the same torque in each case.
test for leak-tightness / valve function
Warning!
danger of injury through egress of flow medium.
▶ Tighten the body screws / nuts sufficiently.
Applying an unnecessary degree of force to tighten the
body screws / nuts leads to increased wear and therefore
shortens the service life of the diaphragm.
If the valve leaks when the medium pressure rises:
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Tighten the diagonally opposed body screws / nuts by a one-
eighth turn until the valve no longer leaks.
This procedure ensures that the diaphragm and the pressure piece
are optimally aligned to each other and the valve function is ensured.
english