Eaton Cutler-Hammer VCP-WR 18 Series Instructions For The Use, Operation And Maintenance page 5

I.B. 8295A61H03
SECTION 6 BREAKER ELEMENT INTERFACING ..............................................................................................28
6-1 Introduction......................................................................................................................................................28
6-2 General Guidelines..........................................................................................................................................28
6-2.1 Electrical Clearances..........................................................................................................................28
6-2.2 Interphase Barriers .............................................................................................................................28
6-2.3 Front Cover (Faceplate) .....................................................................................................................28
6-2.4 Compartment Interface Verification ....................................................................................................29
6-3 Series 18 Breaker Element Interfaces.............................................................................................................29
6-3.1 Initial Interfacing Steps .......................................................................................................................29
6-3.2 Electrical Interfaces ............................................................................................................................29
6-3.3 Mechanical Interfaces ........................................................................................................................29
6-4 Series 20 Breaker Element Interfaces.............................................................................................................31
6-4.1 Initial Interfacing Steps .......................................................................................................................31
6-4.2 Electrical Interfaces ............................................................................................................................32
6-4.3 Mechanical Interfaces ........................................................................................................................32
6-5 Series 29 Breaker Element Interfaces.............................................................................................................33
6-5.1 Initial Interfacing Steps .......................................................................................................................33
6-5.2 Electrical Interfaces ............................................................................................................................33
6-5.3 Mechanical Interfaces ........................................................................................................................33
SECTION 7 INSPECTION AND MAINTENANCE .................................................................................................35
7-1 Introduction......................................................................................................................................................35
7-2 Frequency of Inspection ..................................................................................................................................35
7-3 Inspection and Maintenance Procedures ........................................................................................................36
7-4 Vacuum Interrupter Integrity Test....................................................................................................................37
7-5 Contact Erosion and Wipe...............................................................................................................................37
7-6 Insulation .........................................................................................................................................................38
7-7 Insulation Integrity Check ................................................................................................................................38
7-8 Primary Circuit Resistance Check...................................................................................................................39
7-9 Mechanism Check...........................................................................................................................................39
7-10 Lubrication.......................................................................................................................................................39
7-11 Troubleshooting Chart.....................................................................................................................................41
SECTION 8 RENEWAL PARTS ............................................................................................................................44
8-1 General ...........................................................................................................................................................44
8-2 Ordering Instructions .......................................................................................................................................44
Effective 7/97
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