Removing E-Box

WARNING: Incorrect handling of high-voltage components

Electric shock
Short circuit
Fire
Explosion
→ Only appropriately trained and authorized persons are permitted to work on high-voltage vehicles and components.

→ Required qualification: High voltage technician or high voltage expert.

→ Observe national requirements and legislation for this work.

→ Always use insulated tools, e.g. > VAS 6883 - Insulated Tool Set when working on these components. Observe general warning notes for working on the high-voltage system.

> 2X00IN GENERAL WARNING NOTES FOR WORKING ON THE HIGH-VOLTAGE SYSTEM

Information

Observe the following specifications for all work described:

country-specific, national, legal and official regulations,
local restrictions and export restrictions,
manufacturer's specifications from component and vehicle manufacturers,
component-specific specifications.

These strict specifications apply in particular:

Storage, installation and removal, transport and disposal of vehicles, assemblies, operating materials and auxiliary materials,
handling of defective and potentially hazardous vehicles as well as assemblies,
handling of battery electric vehicles and high-voltage components.

For this purpose, take into account relevant and qualified information sources such as local authorities, responsible importers, associations and specialist website. Deliver items to be disposed of only to authorized reception points.

Information

Handling high-voltage lines:

Do not support yourself or your tools on high-voltage lines and their components.
Work involving metal-removing, deforming and sharp-edged tools close to high-voltage components and lines is prohibited.
Work involving heat sources such as welding, soldering, hot air and thermal bonding close to high-voltage components and lines is prohibited.
High-voltage lines must not be extensively bent or kinked.
Perform a visual inspection of the high-voltage connectors before installing the high-voltage lines.
If you have questions or if you are unclear about anything, consult the relevant high voltage expert or your importer.

Detach and pull off high-voltage line from E-box to electric motor at the rear.

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High-voltage line from E-box to electric motor at rear
Unscrew screws securing E-box to high-voltage battery.

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Screws securing E-box to high-voltage battery
Fit > 9924 - centering pins on E-box -Arrows- .

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Centering pins

Discharge capacitive voltage.

4.1 Connect test clamp to the E-box housing.

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Test clamp on E-box

4.2 Connect test clamp to potential equalization line for high-voltage battery.

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Test clamp on potential equalization line for high-voltage battery

4.3 Connect both test clamps using a test cable from the > 9684 - measurement tool set .

Guide > T10588 - tensioning strap under the E-box.

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Round sling under E-box

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Round sling under E-box
> T10588 - Tensioning straps must be secured to > 3033 - suspending device and > VAS 6100 - workshop crane .
Check that the center of gravity is neutral.

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Lifting equipment set up

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Lifting equipment set-up
Carefully lift the E-box up and off using > VAS 6100 - workshop crane .
Remove test clamps and test cable.
Uncover electric connections for E-box on the high-voltage battery. > VAS 6762/47 - End caps

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Electric connections for E-box

Information

Install the E-box again quickly as the high-voltage contacts on the high-voltage battery are open following removal.

Complete steps for "removing and installing" together without interruption.