ABB VD4 Series Instruction Manual - page 5
Instruction manual 534/01 | VD4 Vacuum-circuit-breaker 5
Contents
Page
7 Commissioning/Operation
27
7.1 Note on safety at work
27
7.2 Preparatory activities
27
7.3 Movement of the withdrawable part
27
7.3.1 Manual insertion from the test/disconnected position to the service position
27
7.3.2 Manual withdrawable from the service position into the test/disconnected position
28
7.3.3 Motor-driven movement of the withdrawable part
28
7.3.4 Withdrawable from the test/disconnected position onto the service truck
28
7.3.5 Insertion from the service truck into the test/disconnected position
28
7.4 Operation of the circuit-breaker
28
7.4.1 Charging the spring energy storage mechanism
29
7.4.2 Closing and opening the circuit-breaker
29
8 Maintenance
31
8.1 General
31
8.1.1 Service-life
31
8.2 Inspection and functional testing
31
8.2.1 Switching device in general
31
8.2.2 Stored-energy spring mechanism
31
8.2.3 Breaker pole
32
8.2.4 Withdrawable assembly
32
8.3 Servicing
32
8.3.1 Switching devices in general
32
8.3.2 Stored-energy spring mechanism
32
8.3.3 Breaker pole
33
8.4 Repair
33
8.4.1 VD4 circuit-breaker run-on block
33
8.4.2 Replacement of circuit-breaker parts and accessories
33
8.4.3 Touch up of surfaces
33
8.4.4 Circuit-breakers in general
33
8.4.5 Replacement of contact systems
33
8.4.6 Replacement of withdrawable assembly
34
8.5 Testing withdrawable parts with a VD4 type circuit-breaker
34
8.5.1 Motor-driven withdrawable parts
34
8.5.2 Checking the correctness of dimensional settings
34
8.5.3 Checking auxiliary switch settings on type A withdrawable parts
34
8.5.4 Checking auxiliary switch settings on type B withdrawable parts
35
8.5.5 Checking the direction of rotation of the travel motors on motor-driven withdrawable parts
35
8.5.6 Testing of interlock conditions
35
8.6 Spare parts, auxiliary materials, lubricants
36
8.6.1 Spare parts
36
8.6.2 Auxiliary materials
38
9 Application of the X-ray regulations
42
10 Comparison of designations to VDE-DIN 40719 Part 2 and IEC 61346-1/IEC 61346-2
42