| 1. On brushes of screen wipers the road film collects over time, reducing efficiency of their work therefore brushes should be washed out regularly in the soft cleaning solution. |
| Check of a condition of brushes and starting position of the lever of a screen wiper |
| 2. Assemblies of screen wipers with brushes have to look round regularly. If survey revealed existence of hardenings or cracks on rubber of brushes, replace brushes. If at survey nothing unusual is revealed, wet a windshield, include screen wipers, let's them work a little, and switch off them. Or strips on pure glass indicate an uneven trace from brushes on glass that brushes should be replaced. |
3. If brushes insufficiently well clear a windshield, then the following reasons of it are possible.
– When passing by the car of an automatic sink on a windshield wax particles got. These particles can be removed at addition in liquid of windscreen washer of the detergent having property to dissolve wax.
– Filling of the tank of liquid for purification of glasses with voskorastvoryayushchy properties can significantly improve action of screen wipers. Fat-dissolving cleaners are not able to purify glass completely.
– Damage of brushes can be also the cause of bad purification of glasses, brushes should be replaced.
– The angle of installation of levers of screen wipers does not correspond to necessary. |
| 4. During operation of the mechanism of screen wipers there can be a weakening of fixing nuts therefore they should be checked and as necessary to tighten every time when checking brushes. |
| Check |
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5. Switch on and off screen wipers, at the same time they will be established in a starting position.
Windshield:
Check distance between a brush and the lower edge of a windshield at the switched-off screen wiper. The distance has to make on the party of the driver and = 15 – 25 mm, on the party of the forward passenger of b = 17 – 27 mm. On these places there are markings –1–.
Back glass:
At the switched-off screen wiper the brush has to lie horizontally at the top edge of the plane of a stop of a cleaner. |
| Check of a corner of the lever of a screen wiper |
ATTENTION
Check of a tilt angle of the lever of a screen wiper needs to be made at low efficiency of purification of glass or when there is a noise at work of brushes.
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| 6. Switch on and off screen wipers, at the same time levers of a screen wiper will be installed in a starting position. Remove screen wiper brushes. |
| 7. 1 insert the lever of a screen wiper into the HAZET 4851-1 tool or AUDI 3358 and fix by a bolt.
Check and adjustment of a tilt angle of the lever стеклоочистителя^
1 wrench
2 lever of a screen wiper
3 AUDI 3358 tool |
8. ри need of adjustment, being careful, a wrench 1 turn the AUDI 3358 tool until the arrow is not established on a scale on the required value ±2 °.
Nominal rates of tilt angles of the lever of a screen wiper.
Party of the driver: –9 °
Party of the forward passenger –3 °
Back screen wiper: 0 – 2 ° |
| 9. Remove the AUDI 3358 tool, establish and record screen wiper brushes. |
| 10. Establish a brush and check work of a screen wiper. |