Remove/install front roof frame

AR65.20-S-1006E

Remove/install front roof frame

05.03.2020

Model

447, 448

1

Front roof frame

 Danger

Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)

Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.Model 447 with engine 780

AS00.00-Z-0035-01A

 Danger

The high voltage used for electric welding presents a lethal hazard. Risk of explosion from welding in areas close to highly inflammable materials. Risk of injury from weld splatter and UV-light when welding. Risk of poisoning from inhaling welding gases

Use insulating mats. Wear protective clothing, safety glasses and a protective mask. Remove highly inflammable materials from the hazard area. Use air extraction system.

AS00.00-Z-0007-01A

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

Topical note

General information on body repair

AH60.00-N-0001-01A

Topical note

Measures for preventing damage to components when performing electric welding and soldering work

AH60.00-P-0001-02A

Topical note

Notes on battery

AH54.10-P-0001-01A

Topical note

General information on vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system as well as personal protective equipment

Model 447 with engine 780

AH00.00-Z-0300-01A

General information on MB materials

AH98.00-P-9409-03A



Remove

1

Remove all detachable parts in area of repair point.

2

Cover all detachable parts remaining in vehicle with welding protection blankets.

 Commercially available devices/tools
Welding protection blanket

3

Remove soundproofing.

AR60.00-S-1752E

 Only in repair area.

4

Remove center roof paneling.

AR65.10-S-1000E

5

Remove front roof frame (1).

AR65.20-S-1006-02E

 Commercially available devices/tools
Spot weld milling machine
Rotary wire brush
Wet and dry vacuum cleaner

 WIS Service Media
wsm://04_ 202000_04

Zinc dust paint suitable for spot welding

*BR00.45-Z-1001-07A

6

Prepare front roof frame (1) for installation.

AR65.20-S-1006-04E

 Commercially available devices/tools
Rotary wire brush
Wet and dry vacuum cleaner

 WIS Service Media
wsm://04_ 202000_05

Zinc dust paint suitable for spot welding

*BR00.45-Z-1001-07A



Install

7

Install and weld in front roof frame (1).

AR65.20-S-1006-05E



000 588 01 84 00 Welder

WS60.00-P-0021K

 Commercially available devices/tools
Clamping pliers (Standard)
Rotary wire brush
Wet and dry vacuum cleaner

 WIS Service Media
wsm://04_ 202000_06

Zinc dust paint suitable for spot welding

*BR00.45-Z-1001-07A

8

Install center roof paneling.

AR65.10-S-1000E

9

Install all detachable parts in area of repair point.

Repair materials

Number

Designation

Order number

BR00.45-Z-1001-07A

Zinc dust paint suitable for spot welding

A 000 986 34 42