5 Maintenance
The valve is designed so that internal leakages do not result in the products becoming mixed.
Internal leakage in the valve is externally visible.
Study the instructions carefully.
Always keep spare rubber seals and guide rings in stock. Check the valve for smooth operation after service.
5.2
Dismantling of valve
Step 1
Disassemble valve acc. to illustrations (1 to 6)
1. Supply compressed air to AC2.
2. Loosen and remove upper clamp (64).
3. Release compressed air.
4. Lift out the actuator together with the internal valve parts
from valve body (50).
5. Loosen and remove middle clamp (64) and remove valve
body (149) and o-ring (148) from valve body (149).
6. Loosen and remove lower clamp (64).
7. Take away lower sealing element (A, B or C).
Note!
Release compressed air.
A
Dismantling of lower sealing element
1. Pull out o-ring (76) and lip seal (77).
2. Remove guide ring (80).
B
Dismantling of lower sealing element, balanced with CIP
OD balancer
1. Pull out o-ring (76) and lip seal (77).
2. Remove o-ring (78).
3. Remove guide ring (80).
4. Screw out flushing tubes (70).
5. Remove o-rings (71).
6. Remove nozzles (72 + 73).
C
Dismantling of lower sealing element, flush OD balancer
1. Remove upper part of sealing element (96)
2. Pull out o-ring (76) and lip seal (95).
3. Remove guide ring (98) from lower part of sealing element
(97).
2319-0162
(1)
(2)
(3)
(4)
(5)
(6)
A
B
C
76
76
76
77
77
80
79
81
70
71
78
81
80
71 70
95
96
98
97
64
64
50
149
148
64
72
73
23
