15.6. Windscreen screen wipers

Fig. 340. Details of the mechanism of a screen wiper: 1 — a rubber ring; 2, 9, 15 — washers; 3 — a bolt, М6, 5 Нм; 4 — a safety ring; 5 — a sealing ring of round section; 6, 8 — spring washers; 7 — the connecting lever; 10 — a rubber brush; 11 — the holder of a brush; 12 — the brush lever; 13 — a cap; 14 — a nut, М8, 20 Нм; 16 — a nut, М8, 20 Нм; 17 — the crank lever; 18 — a bolt with шестигранной a head, М6, 20 Нм; 19 — an arm; 20 — the electric motor; 21 — connecting draughts

On fig. 340 screen wiper details are presented. Before removal of levers of a screen wiper it is necessary to remember position of holders of brushes that then to establish them in former position.

The screen wiper engine can be dismantled only after removal of an arm of screen wipers. It is necessary to remove the crank lever (one nut) before to remove the engine. Before engine installation to connect wires and to allow to make to a shaft of the engine two turns. The engine is disconnected in a starting position, the crank lever is established in the position specified in drawing on a shaft of the engine and fixed on it. The bottom edges of holders of brushes should be in the bottom position approximately on distance of 50 mm from edge of an overlay of a windscreen. To establish in appropriate way holders of brushes. Otherwise it is necessary to change position of levers on shaft.