Checking/Adjusting Contact Angle of Windscreen Wiper Arms on Windscreen

61 61 010 - Checking/adjusting contact angle of windscreen wiper arms on windscreen

Special tools required:
- 00 9 331 00 9 330 Windscreen Wiper Setting Tool
- 61 6 100 61 6 100 Angle Measuring Instrument

Note:
Wipe quality is improved by precise adjustment of contact/approach angle Adjusting Left or Right Windscreen Wiper of wiper arms.

Adjustment angle can be checked with special tool 00 9 331 00 9 330 Windscreen Wiper Setting Tool or 61 6 100 61 6 100 Angle Measuring Instrument.

Checking with setting gauge:

Remove load from windscreen wiper blades (1) before checking contact angle. To do so, lift wiper blades (1) briefly off windscreen before placing them back on windscreen.

Fit special tool 00 9 331 00 9 330 Windscreen Wiper Setting Tool as illustrated on wiper arm and windscreen.

When the contact angle is correctly adjusted, no light gap is visible between special tool 00 9 331 00 9 330 Windscreen Wiper Setting Tool and the wiper arm.

If necessary, adjust wiper arm.

Checking with angulometer:

Remove wiper blades.

Insert windscreen wiper arm (1) in special tool 61 6 100 61 6 100 Angle Measuring Instrument.

Using screw (2) and pressure plate (3), locate windscreen wiper arm (1) and position on windscreen.

Read off scale value, adjust wiper arm if necessary.

Note:
Windscreen wiper arm (1) must rest correctly on lower and side contact surfaces (4) of special tool 61 6 100 61 6 100 Angle Measuring Instrument.

On right-hand-drive cars, screw (2) must be located on left side of special tool 61 6 100 61 6 100 Angle Measuring Instrument.

Adjusting left wiper arm:

Unclip wiper arm cap (1) and remove in direction of arrow.

Installation Note:
Catches (1) of wiper arm cap (2) must not be damaged.

Make sure wiper arm cap (2) is correctly seated.

Release nut (1) slightly.

Position windscreen wiper arm (2) with special tool 00 9 331 00 9 330 Windscreen Wiper Setting Tool or 61 6 100 61 6 100 Angle Measuring Instrument on windscreen.

Turn windscreen wiper arm (2) in direction of arrow until contact angle is correct.

Hold wiper arm (2) in this position and tighten down nut (1).

Installation Note:
Tightening torque 61 61 12AZ 61 61 Windshield Wipers.

Adjusting right wiper arm:

Unclip four-way linkage protective cap (1) and remove in direction of arrow.

Installation Note:
Catches (1) of four-way linkage protective cap (2) must not be damaged.

Make sure four-way linkage protective cap (2) is correctly seated.