AR64.20-W-1100A | Remove/install rear cross member | 8.10.98 |
BODY 375.810 in MODEL 375.3
BODY 375.830 in MODEL 375.1
BODY 375.840 in MODEL 375.4
BODY 940.899 in MODEL 950.5 /6, 952.5 /6, 953.6, 954.5 except CODE (F20) Cab with extended rear wall
BODY 944.899 in MODEL 944.0 /2
BODY 972.899 in MODEL 970, 972, 974, 975, 976 except CODE (F20) Cab with extended rear wall
W64.20-1001-06
1 Rear cross member inner section
2 Gusset plate
3 Rear cross member outer section
4 Fender mount
| Remove | ||
Danger! | Risk of injury from grazing or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and untrimmed vehicle parts. Deburr repair panels. | |
Danger! | Risk of fatal injury from the high voltage used for arc welding. Risk of explosion from welding in areas close to highly inflammable materials. Risk of injury when welding from weld splatter and UV light. Welding gases arepoisonous when inhaled. | Use insulating surfaces, wear protective clothing, eye protection and protective masks. Remove highly inflammable materials from the danger zone. Use evacuation system | |
| General information on repairs to body | ||
| Measures for preventing damage to vehicles or components when performing arc welding work | ||
| General notes on welding | ||
1 | Remove detachable parts in area to be repaired | ||
2 | Cover all attached parts remaining in vehicle (area to be repaired) | Use fireproof tarpaulin to avoid damage from flying sparks. | |
3 | Equip straightening bench with module cross members and straightening tools | ||
Observe setup plans included with straightening set CC 7970. | |||
4 | Position cab on straightening bench and fasten to straightening set. | ||
5 | Separate rear wall paneling (1). | ||
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Drill (electric/pneumatic) | |||
Tarpaulin (fireproof) | |||
Angular grinder (electric/pneumatic) | |||
Body saw (electric/pneumatic) | |||
Wet/dry vacuum cleaner | |||
6 | Remove rear cross member | ||
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Drill (electric/pneumatic) | |||
Tarpaulin (fireproof) | |||
Angular grinder (electric/pneumatic) | |||
Body saw (electric/pneumatic) | |||
Wet/dry vacuum cleaner | |||
| Install | ||
7 | Prepare rear cross member for installation | ||
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Inert gas welder | |||
Drill (electric/pneumatic) | |||
Tarpaulin (fireproof) | |||
Spot welder | |||
Angular grinder (electric/pneumatic) | |||
Wet/dry vacuum cleaner | |||
Zinc dust paint suitable for spot welding | |||
8 | Prepare rear cross member connection points. | ||
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Drill (electric/pneumatic) | |||
Tarpaulin (fireproof) | |||
Angular grinder (electric/pneumatic) | |||
Wet/dry vacuum cleaner | |||
Zinc dust paint suitable for spot welding | |||
9 | Weld in rear cross member | ||
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Inert gas welder | |||
Drill (electric/pneumatic) | |||
Tarpaulin (fireproof) | |||
Spot welder | |||
Celette straightening bench M8S | |||
Angular grinder (electric/pneumatic) | |||
Wet/dry vacuum cleaner | |||
Celette straightening set CC 7970 | |||
10 | Prepare rear wall paneling for installation | ||
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Drill (electric/pneumatic) | |||
Tarpaulin (fireproof) | |||
Spot welder | |||
Angular grinder (electric/pneumatic) | |||
Wet/dry vacuum cleaner | |||
Zinc dust paint suitable for spot welding | |||
11 | Prepare connection points for rear wall paneling on body. | ||
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Drill (electric/pneumatic) | |||
Tarpaulin (fireproof) | |||
Angular grinder (electric/pneumatic) | |||
Wet/dry vacuum cleaner | |||
Zinc dust paint suitable for spot welding | |||
12 | Install rear wall paneling | ||
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Inert gas welder | |||
Drill (electric/pneumatic) | |||
Tarpaulin (fireproof) | |||
Spot welder | |||
Angular grinder (electric/pneumatic) | |||
Wet/dry vacuum cleaner | |||
13 | Supplement seals with MB body sealant | ||
14 | Supplement underbody protection with MB permanent underbody protection agent | ||
15 | Paint area repaired and adjacent surfaces | See Paintwork Manual | |
16 | Supplement MB hollow cavity preservation | ||
17 | Reinstall all removed detachable body components |
Spot weld cutter
201 589 00 51 00
Commercially available tools
Number | Designation | |
WH58.30-Z-1002-01A | Ball cutter, dia. 12 mm | |
WH58.30-Z-1003-01A | Electrode miller | |
WH58.30-Z-1006-01A | Vario Drill WS 91 spot weld removing tool | |
WH58.30-Z-1002-02A | Hole punching pliers, dia. 7 mm | |
WH58.30-Z-1003-02A | Clamping pliers | |
WH58.30-Z-1031-02A | C-clamp | |
WH58.30-Z-1001-03A | Round wire brush, braided, dia. 70 mm | |
WH58.30-Z-1021-04A | Cutting disk, dia. 65 mm, 80 m/s (max. 23,500 rpm) | |
WH58.30-Z-1024-04A | Abrasive disk, dia. 115 mm, 80 m/s (max. 13,250 rpm) | |
WH58.30-Z-1001-40A | Tarp (fire-resistant) |
Workshop equipment
WE58.40-Z-1005-01C | Celette straightening bracket set, CC 7970 |
WE58.40-Z-1001-01E | Celette straightening bench |
WE58.40-Z-1001-02A | Inert gas welder |
WE58.40-Z-1002-02A | Spot welder |
WE58.40-Z-1001-03A | Drill (electric/pneumatic) |
WE58.40-Z-1003-03A | Angle grinder (electric/pneumatic) |
WE58.40-Z-1004-03A | Body saw (electric/pneumatic) |
WE58.40-Z-1005-03A | Wet/dry vacuum cleaner |
Repair materials
Number | Designation | Order number |
BR00.45-Z-1001-07A | Zinc dust paint suitable for spot welding | A 000 986 34 42 |