Examine working surfaces of lamels of a collector, at their pollution and burning smooth out working surfaces an emery paper No. 400 or pierce a collector on the lathe.

Fig. 7.49. Measurement of a beating of a collector

Establish an anchor on prisms and measure a beating of a collector (fig. 7.49).

Standard beating of a collector: 0,02 mm.

The most admissible beating of a collector: 0,05 mm.

Fig. 7.50. Measurement of size of a vystupaniye of edge of a collector

Measure by a caliper the size of a vystupaniye of edge of a collector (fig. 7.50).

Standard size of a vystupaniye: 3,3 mm.

The most admissible size of a vystupaniye: 4,0 mm.

If length exceeds the most admissible value, replace a starter anchor.

Fig. 7.51. Measurement of size of a vystupaniye of the brush holder

Measure by a caliper the size of a vystupaniye of the brush holder (fig. 7.51).

Standard size of a vystupaniye: 9,0 mm.

Minimum admissible size of a vystupaniye: 4,0 mm.

If length is less than minimum admissible value, replace the brush holder.