ar7721s075014e

Prepare panoramic roof for installation

Typ ar · temat 77.21 · wersja 0301 · 2019-12-12

Dotyczy: Model 447.7/8, 448.8

Niedostępne w języku „pl”; wyświetlono w języku Angielski.

Umiejscowienie

Grupa funkcyjna 3 Nadwozie › 77 Okno dachowe, dach składany, nasadki › 77.21 Dach panoramiczny — Seria 447 (modele 7**, 8**) · Seria 448 (modele 8**)

EinPAS 38 System dachu › 38.16 Dach panoramiczny › 38.16.50 Dach panoramiczny kompletny — Seria 447 (modele 7**, 8**) · Seria 448 (modele 8**)

AR77.21-S-0750-14E

Prepare panoramic roof for installation

Topical note

Pretreatment of bonding surfaces

AH60.00-P-0008-01SX

Model

447.7/8, 448.8

Modification notes

12.12.2017

Repair material update

Repair materials

Number

Designation

Order number

BR00.45-Z-1180-02A

Repair kit for installing windshields, 1-component adhesive

A 000 670 01 00

Do not touch bonding surfaces with bare fingers and bonding surfaces must be free of dust, oil, grease, wax, dirt residues and other adhesive components.
Otherwise the strength of the adhesive connection can be impaired and proper adhesion of the adhesive material is not ensured.

Only use materials from approved repair kit and observe the processing instructions without fail.
Otherwise the strength of the adhesive connection can be impaired and proper adhesion of the adhesive material is not ensured.

Object and room temperatures must be at least 15 °C and may not exceed 35 °C.
Otherwise the strength of the adhesive connection can be impaired and proper adhesion of the adhesive material is not ensured.

Prepare panoramic roof for installation

S77.21-4534-09

1

Cut back existing adhesive bead (1) on the panoramic roof (3) to a residual height of approx. 1 to 2 mm and detach residual pieces of the adhesive bead (1) that have not been fully cut off.

When reinstalling previously removed panoramic roof (3).

The present adhesive bead (1) should not be higher than max. 2 mm .

2

Remove old spacers (2).

When reinstalling previously removed panoramic roof (3).

3

Fully remove adhesive bead (1) present on mounting locations of spacers (2).

When reinstalling previously removed panoramic roof (3).

4

Remove cutting residues at panoramic roof (3).

When reinstalling previously removed panoramic roof (3).

5

Clean bonding surfaces.

6

Repair damage to surface coating at panoramic roof (3).

When reinstalling previously removed panoramic roof (3).

Ensure that adhesive material is applied only to present adhesive beads, which have been cut down, or to the original factory primer or repair primer approved by Daimler.
Otherwise the strength of the adhesive connection can be impaired and proper adhesion of the adhesive material is not ensured.

Use only primer filler approved by Daimler AG:
http://xentryportal.mercedes-benz.com

7.1

When reinstalling previously removed panoramic roof (3).
In the event of missing residual adhesive bead material in the bonding area, apply primer.

7.2

When replacing panoramic roof (3).
Apply primer on entire bonding surface on panoramic roof (3).

8

Attach new spacers (2), as shown, on inside edge of contact surface of panoramic roof (3).

Note positions of new spacers (2).

9

Set down prepared panoramic roof (3) with inside facing downwards on suitable assembly stands.

Carefully handle prepared panoramic roof (3) and lay down.
Bonding surface can otherwise be contaminated or spacers (2) can fall off or slip.

Helper required.

10

Install one cup suction tool in each corner area of panoramic roof (3).

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