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.
Step 2
1. Supply compressed air for air connection AC1.
2. Loosen lower plug (146 + 147) while counterholding upper
stem (1).
3. Remove the plug.
4. Release compressed air.
Note: For replacement of seal ring (74), please see section 5.3
Lower plug, replacement of radial seals.
1 = on
4 = off
2319-0163
(1)
(4)
(2)
(3)
146
74
74
147
24
