Content
VAG reserves the right to make technical changes and use
materials of similar or better quality without express no-
tice. The pictures are non-binding.
1 General
3
1.1 Safety
3
1.2 Proper use
3
1.3 Identification
3
2 Transport and Storage
3
2.1 Transport
3
2.2 Storage
4
3 Product features
4
3.1 Features and function description
4
3.2 Applications
4
3.3 Permissible and impermissible modes of
operation
4
3.3.1 Claw dimensions
4
3.3.2 Suitable surface box
5
4 Installation into the pipeline
5
4.1 Conditions required on site
5
4.2 Assembly instructions and fitting
5
4.3 Assembly of the VAG HYDRUS
®
G Underground
Hydrant
5
4.4 VAG HYDRUS
®
G flange version
5
5 Set-up and operation of the valve
5
5.1 Visual inspection and preparation
5
5.2 Function check and pressure test
5
5.3 Initial operation
6
5.4 Operation
6
5.4.1 Opening the hydrant
6
5.4.2 Closing the hydrant
7
6 Maintenance and repair
7
6.1 General safety instructions
7
6.2 Inspection and operation intervals
7
6.3 Maintenance work and replacement of parts
8
6.3.1 Design
8
6.3.2 Cleaning and lubrication
9
6.3.3 Visual and function check
9
6.4 Maintenance
9
6.4.1 Disassembly of the entire bonnet (7.1)
9
6.4.2 Replacing the stem (7.3); packing sleeve (7.2) or
sliding disks (7.4)
9
6.4.3 Replacement of the complete main valve assem-
bly (15) or the valve cone (15.3)
9
7 Trouble-shooting
10
8 How to contact us
10
