Ras Tek specializes in repairs and serving of alternators of various makes. Our Activities Include : Electrical Checks (MeggerInsulation Test, winding resistance test, Diode checking, field winding checking, winding sensor calibration etc) Dismantling and Complete assessments CO2 cleaning Stator Rewinding Varnishing stator and rotor Dynamic Balancing of Rotor Bearing Replacement On Board installation and alignment