SECTION 6 - MAINTENANCE
29
Zator
Via Galvani, 11 - 20095 - Cusano Milanino (MI) - Italy
www.zator.it - [email protected]
6.4
Valve disassembly
Before you disassembling the valve the following steps must be done:
• Wash the valve with water
• Discharge the pressure from the supply system
• Disconnect air connection
Then proceed as follows:
Unscrew the adjustment block with a 19mm wrench, being
careful of the inner compressed spring;
3
Compressed
spring
Loosen the needle adjustment with the adjustment nut (see
section 5.2 - Needle travel adjustment), by turning it counter-
clockwise until it doesn’t resist anymore;
1
Unscrew the nozzle with a 15mm wrench;
2
15
19
