Page 2
Contents
Page
Instruction and service manual VWZ 102 – VWZ 402
1.
Introduction
3
2.
Application
3
3.
Variations and Construction
3
3.1
Variations
3
3.2
Construction
4
3.3
Data sheets and spare parts lists
5
3.4
Accessories
5
3.5
Typical Field of Application
5
4.
Method of Operation
6
4.1
Pump
6
4.2
Pressure Relief Valve
6
4.3
Oil Lubrication
6
4.4
Shaft Seals
6
5.
Installation
6
5.1
Mechanical Installation
6
5.1.1
Mounting
6
5.1.2
Suction side
6
5.1.3
Exhaust
6
5.2
Electrical Installation
7
5.2.1
General
7
5.2.2
Approximate values for setting motor overload protection
7
5.2.3
Electrical connections for the motor and control equipment
7
5.2.4
Terminal Box Connections Closed Circuit Cooling
7
6.
Normal Operation
8
6.1
Cooling Liquid
8
6.1.1
Fresh or External Cooling
8
6.1.2
Closed Circuit Cooling
8
6.1.3
Cooling Liquid Control
8
6.2
Oil Lubrication
8
6.3
Oil Metering Pump
8
6.4
Initial Operation
9
7.
Maintenance
9
7.1
Oil Metering Pump
9
7.2
Oil Mist Separator
10
7.2.1
Maintenance of Oil Mist Separator
10
8.
Trouble Shooting
10
8.1
Pump Overload
10
8.2
Drop off of Vacuum
10
8.3
High Oil Consumption
10
Repair Instructions VWZ 102 – VWZ 402
1.
Removal and Reassembly of Water Jacket
11
2.
Changing LP and HP Stages
11
2.1
Removal of Stages
11
2.2
Refitting of Stages
11
3.
Removal and Reassembly of Drive
11
4.
Changing Coupling Rubbers and Pins
12
4.1
Drive Motor
12
4.2
On Stages
12
5.
Repairs to Stages, Non-Drive End (B)
12
5.1
Removal of Bearings and Seals
12
5.2
Reassembly of Bearings and Seals
13
6.
Changing Blades
14
7.
Repairs to Stages, Drive End (A)
14
7.1
Removal of Bearings and Seals
14
7.2
Reassembly of Bearings and Seals
15
8.
Repairs to Gearbox
16
8.1
Removal and Reassembly of Gearbox
16
8.2
Changing Gear Wheels and Ball Bearings in Gearbox Housing
16
8.3
Changing Bearings, Shaft Seals and Seals
17
9.
Other Repairs
17
9.1
Cleaning the Suction and Exhaust Parts in Connection Housing
17
9.2
Changing the Pressure Relief Valve
17
10.
Instructions for Storing Oil Metering Rotary Vane Vacuum Pumps
17
