Inspection And Servicing; General Information Regarding Actuator Replacement; Replacing The Actuator; 14.2.1 Removing The Actuator - Gemü ADA 00010 Betriebsanleitung

14

Inspection and servicing

CAUTION
Hot plant components!
Risk of burns!
®
Only work on plant that has
G
cooled down.
CAUTION
Servicing and maintenance work
G
must only be performed by trained
personnel.
GEMÜ shall assume no liability
G
whatsoever for damages caused
by improper handling or third-party
actions.
In case of doubt, contact GEMÜ before
G
commissioning.
Use appropriate protective gear as
G
specified in plant operator's guidelines.
Shut off plant or plant component.
G
Secure against recommissioning.
G
Depressurize the plant or plant
G
component.
The operator must carry out regular visual
examination of the actuators dependent on
the operating conditions and the potential
danger in order to prevent leakage and
damage.
14.1 General information regarding
actuator replacement
The following tools are required
for replacing the actuator:
Open-end wrench

Ring wrench

Position of the shut-off valve:
ADA / ASR
SZ
Read the position of the shut-off valve
G
on the groove SZ and compare it with
the optical position indicator, then rotate
the actuator into the correct position if
necessary.
Groove SZ transverse to piping direction:
®
Actuator closed.
Groove SZ in piping direction:
®
Actuator open.
14.2

Replacing the actuator

Depressurize the control medium.
G
Unscrew the control medium line(s) on
G
the actuator.

14.2.1 Removing the actuator

Unscrew the hexagon head bolts /
G
hexagon nuts 32.
Do not lose the washers 31.
G
The actuator A can be removed from the
G
valve body.

14.2.2 Mounting the actuator

Place the new actuator A onto the valve
G
body.
Insert washers 31 into the stud bolts /
G
32 / 40
A
31
32
A
31
32