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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 Refi tting 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
