3 Maintenance3.3.4. Preventive inspection of Spotwelding Cabinet3HAC027309-001 Revision: D158© Copyright 2006-2010 ABB. All rights reserved.3.3.4. Preventive inspection of Spotwelding CabinetOverviewThe section below details and locates the different parts in the spotwelding cabinet and howto perform a preventive inspection.Location of partsen0500001860A Main switch (weld power only) Standard & SpotPack BasicB Circuit breaker, QB101 Standard & SpotPack BasicC Welding contactor(Part of option "Contactor for welding power")StandardD Residual current release (Available as option).Placement varies depending on version (AC or MFDC).This illustration shows MFDC.StandardE Weld Timer, V101 Standard & SpotPack BasicF Mini Contactor(Part of option "Contactor for welding power")StandardG Harness terminal Standard & SpotPack BasicH Bridge 4-pole Standard & SpotPack BasicI Fuse terminal Standard & SpotPack BasicK Fan unit (Available as option).Note! Version MFDC is already equipped with fanwhen delivered. Placement at the back of thespotwelding cabinet. FU100Standard & SpotPack BasicL Earth bar Standard & SpotPack BasicM Auxiliary contact (part of option "Contactor for weldpower")StandardN Shunt trip, 24V or 120V (not available with option"External residual current release")StandardO Surge suppressor StandardContinues on next page
