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Idiomas disponibles
Idiomas disponibles
Hella Gutmann
• Place and attach warning signs and barriers.
• Check the high-voltage system and the high-voltage lines for damage (visual inspection!).
• De-energizing the high-voltage system:
– Regard the manufacturer- and vehicle-specific regulations.
• Regard the vehicle manufacturer's instructions.
• Securing the high-voltage system against re-activation:
– Withdraw the ignition key and keep it safe.
– Keep the service disconnect plug in a safe place or secure the battery master switch against re-activation.
– Insulate the battery master switch, the plug connections etc. with dummy plugs, covering caps or insulating tape
with the corresponding warning notice.
• With the MT-HV or another approved measuring tool, test for absence of voltage. Even when the high-voltage system
is disconnected, residual voltage may still be present.
• Ground and short-circuit the high-voltage system (necessary only if voltage is higher than 1000 V).
• Voltage below 1000 V: Cover the parts which are close to the system or which are energized e.g. with insulating cloth,
hoses or plastic coverings. Voltage higher than 1000 V: Cover the parts with insulating plates/protective panels spe-
cially developed for this purpose so that sufficient protection against contact to adjacent parts is ensured.
• Regard the following before re-energizing the high-voltage system:
– All tools and utilities are removed from the hybrid/electric vehicle.
– Remove the grounding and short circuit of the high-voltage system. Do not touch any of the cables now.
– Attach the protective paneling that has been removed before.
– Remove the protective measures at the switching system.
3.2. Disclaimer of liability
3.2.1. Burden of Proof on the User
The burden of proof is on the user of the product, that he has paid attention to technical explanations, notes on operation,
equipment care as well as maintenance and safety without exception.
3.2.2. Documentation
The listed notes describe the most common causes of errors. However, there are often further causes of existing faults
which cannot be listed here, or there are further sources of error which as yet are unknown. The Hella Gutmann Solutions
GmbH does not accept any liability for failed, unnecessary or incorrectly performed repair work.
MT-HV
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