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 8
1. Place upper tool part including piston.
2. Clamp the two tool parts together.
2319-0062
Tool marked with
item number.
Step 9
1. Supply compressed air.
2. Release compressed air.
3. Remove tool parts.
on
off
2319-0063
Step 10
Inspect the seal to ensure it does not twist in the groove, and
press in the 4 outsticking points with a screwdriver
146
2319-0187
30