SPX APV DELTA MS4, Руководство по эксплуатации, Страница: 17 / 51

9.1. Dismantling from the line system DELTA MS4
The reference numbers refer to the spare parts drawings
MS4 : DIN design RN 01.064.9
Inch design RN 01.064.9-1
3A- Inch design RN 01.064.9-2
1. Shut off the line pressure and discharge lines if possible.
2. NC version: Control actuator with air.
Do not touch movable parts!
Risk of injury.
3. Remove the hex. screws (14) and lift the complete valve insert
with actuator out of the housing.
4. NC version: Shut off compressed air and
remove compressed air connection.
5. Design with Control Unit:
Remove the control unit.
(Turn safety ring in anticlockwise direction, see symbols
on the control unit).
= open = closed
- Design with valve position indicator:
Remove the proximity switches. Detach the indicator housing
(proximity switch holder) from the actuator.
9.2. Dismantling of wear parts (product-wetted parts )
1. Design with control unit and valve position indication:
At first, unscrew the actuator screw. Release the hex. nut (22),
while holding up the centering washer (21).
Remove the centering washer.
2. Extract the shaft with guide rod (3) , diaphragm (5) , fan (6) ,
upper shaft (4) and diaphragm support (7) from the actuator (14) .
Remove the seat seal (2) and o-ring (16) .
3. Remove the yoke (9) from the actuator (17) .
- Actuator can be maintained.
(see 10. Service Instructions - Actuator).
4. Detach the o-rings (15, 13) and guide bush (11) from the yoke (9) .
5. Clean the valve housing, yoke, actuator and shaft with a low
solution of a cleaning agent. Never use cleaning agents
containing abrasive or polishing material.
12
Diaphragm valve with fan support
DELTA MS4
Operating Manual rev. 0
DELTA MS4-UK0.qxp / 05.2008
UK
9. Service Instructions
!
actuator screw
hex. nut
centering washer
CU adapter
guide rod
actuator
yoke
housing
guide bush
o-ring
upper
shaft
o-ring
fan
diaphragm
support
o-ring
diaphragm
seat seal
shaft
control unitt
actuator screw
hex. nut
centering washer
guide rod
actuator
PSH housing