VAT 653 Series User Manual

MAINTENANCE Series
65
106/129 Edition 2019-05-03 963283EA
7.2.1 Replacement of isolation seals and valve cleaning
7.2.1.1 Required tools
• Allen Wrench 5mm
• Open end wrench 13mm
• Service cable USB Type A to B
(PC to valve Service connector)
• Vacuum grease (see chapter spare parts)
• O-ring removal tool
(see chapter Accessories)
• Clean room wiper
• Isopropyl alcohol
Description
Required tool
Electrical power and compressed air is required to perform steps 1 to 11 during
disassembly respectively 11 to 1 during assembly.
1. Set the valve to local mode
2. Activate “Maintenance” (reduced speed)
Now us the position buttons to move the
valve plate. The valve will now move in a
very low speed
Alternatively, the remote interface can be
used:
Set “Control Mode” to ‘Maintenance’
Now use “Target Position” to move the
valve
Service cable
(PC to valve
Service
connector)
3. Vent both valve chambers.
4. Open the 4 bonnet screws and remove
valve bonnet.
Allen wrench
5mm

VAT 653 Series Specifications

General

Brand	VAT
Model	653 Series
Category	Control Unit
Language	English