Every 45,000 km of the car's run, carefully clean the collector with fine-grained sandpaper, check the wear and fit of the brushes to the collector. Replace brushes worn up to 12 mm in height with new ones. At the same time, it is necessary to clean and lubricate with engine oil the screw splines of the armature shaft, the armature shaft bushings in the rear cover and in the clutch housing and the gear. Lubricate the driving ring of the drive with Litol-24 grease.