Burkert Type 3236 - Manual (Page 32)

32
Repairs
Type 2035 / 3236
disassembly of the actuator and diaphragm
→
Mark the position of the actuator in relation to the valve body.
→
Unscrew the four body screws / nuts that connect the valve body
with the actuator. Remove the valve body
1 .
→
Turn the hand wheels to the Closed position 2 (never turn
further).
→
Take out the pressure pieces downwards from the actuator 3 .
→
Take the diaphragm out of the pressure pieces sideways 4 .
Body screws
Hand wheel
Pressure pieces Diaphragm
1
2
3
4
Fig. 26: Disassembly of manually operated double actuator
assembly of actuator and diaphragm
→
Insert the diaphragm into the T-guide of the pressure pieces 5 .
→
Insert the pressure pieces into the actuator 6 .
→
Turn the hand wheels to the Open position 7 .
→
Put the actuator / diaphragm on the body with correct alignment
(so that the markings made previously align).
→
Tighten the diagonally opposed body screws / nuts until there
is visible, uniform mechanical contact between the valve body,
diaphragm and actuator
8 .
→
Tighten the diagonally opposed body screws / nuts twice with a
quarter turn and using the same torque in each case.
Body screws
Hand wheel
Pressure pieces Diaphragm
5
6
7
8
Fig. 27: Assembly of manually operated double actuator
english