Assembly / Disassembly Of Spare Parts; Disassembly Of Actuator And Gasket; Replacement Of Seat Seal; Assembly Of Actuator And Gasket - Gemü 536 Original Einbau- Und Montageanleitung

12 Assembly / disassembly of
spare parts
See also chapter 11.1 "Installing the valve"
and chapter 20 "Sectional drawing and
spare parts".
12.1 Disassembly of actuator and
gasket 43
1. Move actuator A to the open position.
2. Loosen all hexagon nuts a and remove
them.
3. Remove actuator A with actuator fl ange
from valve body fl ange.
4. Move actuator A to the closed position.
5. Remove gasket 43 from valve body
fl ange.
Important:
After disassembly, clean all parts
of contamination (do not damage
parts). Check parts for potential
damage, replace if necessary (only
use genuine parts from GEMÜ).
12.2

Replacement of seat seal

1. Disassemble actuator A as described in
chapter 12.1, points 1-5.
2. Remove cylindrical screw 3 from valve
plug.
3. Remove retaining nut d and seat seal 6.
4. Clean all parts, do not scratch or damage
the parts during cleaning.
5. Insert new seat seal 6.
6. Insert retaining nut d. Fix with cylindrical
screw 3.
7. Assemble actuator A as described in
chapter 12.3, points 1-4.
12.3 Assembly of actuator and
gasket 43
1. Move actuator A to the open position.
2. Insert new gasket 43 into valve body
fl ange.
3. Position actuator with actuator fl ange
on valve body fl ange, pay attention
to the position of the control medium
connectors.
4. Screw in all hexagon nuts a hand tight and
tighten diagonally with an appropriate
tool.
5. Move actuator A to the closed position,
check function and tightness of
completely assembled valve.
Important:
Replace gasket 43 and hexagon
nuts a during every actuator
disassembly / assembly.
13

Commissioning

Corrosive chemicals!
® Risk of caustic burns!
Check the tightness of the
G
media connections prior to
commissioning!
Use only the appropriate
G
protective gear when
performing the tightness
check.
Protect against leakage!
Provide precautionary measures
G
against exceeding the maximum
permitted pressures caused by
pressure surges (water hammer).
25 / 32
WARNING
CAUTION
536