Болгарка ИНТЕРСКОЛ УШМ-115/900, нестабильные обороты, рывки при работе, замена кнопки

The angle grinder that was taken into use turned out to be not completely serviceable: the button failed. In the video, one of the options for rework. Angle grinder: http://ali.pub/2mio9h http://ali.pub/2miobt Cutting discs: http://ali.pub/2mirv6 http://ali.pub/2mis1s Carbon Brushes: http://ali.pub/2mist7 http://ali.pub/2miswi Native button: http://ali.pub/2mip56 http://ali.pub/2miq12 Toggle switch: http://ali.pub/2miq2m http://ali.pub/2miq46 My soldering station: http://ali.pub/2miv23 Good solder: http://ali.pub/2miudl Fluxes: http://ali.pub/2mivv2 http://ali.pub/2miw0b http://ali.pub/2miw2g http://ali.pub/2miw7b Multifunctional probes: http://ali.pub/2miwd5 http://ali.pub/2miwis Heat shrink set: http://ali.pub/2miwmv http://ali.pub/2miwq6 Cutter: http://ali.pub/2miv9v http://ali.pub/2mivdk Bremmash and consumables: http://ali.pub/2min51 http://ali.pub/2min7y http://ali.pub/2min9w Flexible shaft: http://ali.pub/2mivo2 Glue gun: http://ali.pub/2milhq http://ali.pub/2milca Glue sticks: http://ali.pub/2milr2 http://ali.pub/2miljv Set of heads + ratchet key: http://ali.pub/2mikff http://ali.pub/2mikue Set of dies and taps: http://ali.pub/2mil4p http://ali.pub/2mil8z Drill Sets: http://ali.pub/2mimbo http://ali.pub/2mimia http://ali.pub/2miml0 Third hand: http://ali.pub/2mj0zl http://ali.pub/2mj11j