Wiper parts:
A - until April 1979; 3 - from April 1979
1 - electric motor; 2 - casing; 3 - support bar; 4 - axis of the brush lever; 5 - intermediate thrust; 6 - drive rod; 7 - crank; 8 - buffer; 9 - cover; 10 - poking g brushes; 11 - brush; 12 - working edge of the brush; 13 - washer pump; 14 - washer reservoir; 15 - check valve; 16 - jet; 17 - tee.