61 61 010 Checking/adjusting contact angle of windshield wiper arms on windshield

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NOTE: The wipe quality is improved by precise adjustment of the CONTACT/APPROACH ANGLE of the wiper arms.

Adjustment angle can be checked with special tool 00 9 331 (gauge) - or - 61 6 100 (angle measuring device).

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 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 and the wiper arm.

If necessary, adjust wiper arm.

Fig 1: Identifying Windscreen Wiper Blades

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Checking with angulometer:

Remove wiper blades.

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

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.

Fig 2: Inserting Windscreen Wiper Arm In Special Tool (61 6 100)

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NOTE: Windscreen wiper arm (1) must rest correctly on lower and side contact surfaces (4) of special tool 61 6 100 .
On right-hand-drive cars, screw (2) must be located on left side of special tool 61 6 100 .

Adjusting left wiper arm:

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

Fig 3: Unclipping Wiper Arm Cap

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Installation:

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

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

Fig 4: Identifying Catches Of Wiper Arm Cap

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Release nut (1) slightly.

Position windscreen wiper arm (2) with special tool 00 9 331 or 61 6 100 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:

Tightening torque: 30 Nm or 35 Nm

NOTE: For torque, see inscription on wiper arm. Due to risk of releasing: check tightening torque after approx. 50 mins. settling time.

Fig 5: Turning Windscreen Wiper Arm

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Adjusting right wiper arm:

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

Fig 6: Unclipping Four-Way Linkage Protective Cap

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Installation:

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

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

Fig 7: Identifying Catches Of Four-Way Linkage Protective Cap

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Release nut (1) slightly.

Position windscreen wiper arm (2) with special tool 00 9 331 or 61 6 100 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:

Tightening torque: 20 Nm

Fig 8: Turning Windscreen Wiper Arm

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