Inspection And Maintenance; Spare Parts; Removing The Actuator; Removing The Diaphragm - Gemü R647 Betriebsanleitung

15 Inspection and maintenance

Actuator is under spring tension!
▶ Risk of severe injury or death
The actuator must not be opened; the
●
valve must be returned to GEMÜ for
maintenance purposes.
The equipment is subject to pressure!
▶ Risk of severe injury or death
Depressurize the plant or plant com-
●
ponent.
Completely drain the plant or plant
●
component.
Hot plant components!
▶ Burns
Only work on plant that has cooled
●
down.
Wear protective gear.
●
Use of incorrect spare parts!
▶ Damage to the GEMÜ product
▶ The manufacturer liability and guarantee will be void.
Use only genuine parts from GEMÜ.
●
Exceptional maintenance work!
▶ Damage to the GEMÜ product
Any maintenance work and repairs not described in these
●
operating instructions must not be performed without
consulting the manufacturer first.
The operator must carry out regular visual examination of the
GEMÜ products dependent on the operating conditions and
the potential danger in order to prevent leakage and damage.
The product also must be disassembled and checked for
wear in the corresponding intervals.
1. Have servicing and maintenance work performed by
trained personnel.
2. Wear appropriate protective gear as specified in plant op-
erator's guidelines.
3. Shut off plant or plant component.
4. Secure the plant or plant component against recommis-
sioning.
5. Depressurize the plant or plant component.
6. Actuate GEMÜ products which are always in the same po-
sition four times a year.
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WARNING
WARNING
CAUTION
NOTICE
NOTICE

15.1 Spare parts

Item Name
1 Valve body
3 O-ring
4 Insert
5 Union nut
2 Diaphragm
18 Bolt
19 Washer (2x)
20 Nut
39 Protective cap (2x)
A Actuator

15.2 Removing the actuator

1. Move the actuator A to the open position.
2. Loosen the fastening elements between actuator A and
valve body 1 diagonally and remove them.
3. Lift actuator A off valve body 1.
4. Move the actuator A to the closed position.
5. Clean all parts of contamination (do not damage parts dur-
ing cleaning).
6. Check parts for potential damage, replace if necessary
(only use genuine parts from GEMÜ).

15.3 Removing the diaphragm

1. Remove actuator A (see chapter "Removing the actuator").
2. Remove the diaphragm.
3. Clean all parts of contamination (do not damage parts dur-
ing cleaning).
4. Check parts for potential damage, replace if necessary
(only use genuine parts from GEMÜ).
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15 Inspection and maintenance
A
2
5
3
4
1
A
39
20
18
2
19
39
Order designation
B690
R690...M...
R647...S30
A647
GEMÜ R647