65 20 030 Removing and installing/replacing empty housing for roof-mounted aerial

WARNING: This page is about a different variant/trim than selected.

NOTE: Clean roof.

Tape off roof surface (2) around aerial cover (3) with yellow adhesive tape (1).

To do so, slide adhesive tape slightly under roof aerial.

If necessary, carefully heat vehicle roof in aerial area with a hot air blower (max. 50°C).

Fig 1: Identifying Masking Roof, Roof-Mounted Aerial And Yellow Plastic Adhesive Tape

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IMPORTANT: Risk of damage!
Handle special tool correctly and make sure you are standing safely with a firm foothold next to vehicle.
In order to prevent dents in the roof outer skin, do not exert any pressure on the roof.

IMPORTANT: Risk of damage!
Make sure your arms do not cross over (1) when holding special tool 65 20 10 KNIFE .
Pull handle must always be ahead of the guiding hand (2).

Fig 2: Caution For Holding Special Tool

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Cut through adhesive bead all round with special tool 65 20 10 KNIFE . Pull on handle (1) and align blade on handle (2).

NOTE: Use sharp blades only. If necessary, sharpen blade.

Fig 3: Pulling Handle

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Remove cover of multiband telephone aerial (3).

Installation:

The cover of the multiband telephone aerial is secured with window adhesive.

All preparatory operations correspond to the WINDOW CEMENTING INSTRUCTIONS .

NOTE: The aerial cover must be replaced if its centering pins (1) are damaged.
Bonding surface (2) must be clean and free from grease.

Fig 4: Identifying Aerial Centering Pin With Bonding Surface

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Position two spacers (1) on cleaned aerial cover.

Dimensions:

10 mm
14 mm

Position spacer (2) centrally and flush with shoulder of adhesive flange.

IMPORTANT: Spacers must be used without fail!

Fig 5: Identifying Spacer Position Dimensions

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Apply trace of adhesive bead all round outer contour as follows.

Distance between adhesive bead and edge of aerial cover:

6.5 mm ± 1 mm

Start and end of bead trace must have an overlap length of max. 10 mm.

IMPORTANT: To prevent the adhesive from escaping, the adhesive bead diameter must not exceed 3 mm ± 1 mm.

Fig 6: Applying Trace Of Adhesive Bead Over Outer Contour

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NOTE: Attach the aerial cover coated with adhesive by hand. To spread the adhesive better, move the cover back and forth horizontally slightly when pressing down.

If necessary, secure aerial cover with adhesive tape and do not press down on one side of the aerial more firmly than the other.

After bonding, leave vehicle to stand for at least 3 hours at room temperature.

To guarantee a permanent bond:

Only use washing installations after a period of 24 hours has passed.