Audi 8V0.055.204.A Instrucciones De Instalación página 71

Installation instructions - Audi A3 2013 ► Audi A3 2014 ► Electrics set for removable tow-
ing bracket, scope of delivery 8V0.055.204.A Audi Genuine Accessories
Edition 03/2014
2 Safety instructions for pyrotech-
nical, electrical and mechanical
components of the restraint
system
2.1 General safety instructions
Pyrotechnical components comprise:
◆ Airbag units
◆ Belt tensioners
◆ Belt force limiters
◆ Battery disconnecting elements
General
◆ Testing, installation and maintenance tasks must only be
carried out by trained personnel.
◆ There are no replacement intervals for airbag units.
◆ Do not check using circuit tester, voltmeter, or ohmmeter un-
der any circumstances.
◆ Pyrotechnic components may only be checked when instal-
led and using ⇒ vehicle diagnostic testers that have been
approved by the manufacturer.
◆ When working on pyrotechnic components and the airbag
control unit, the battery earth wire must be disconnected
when the IGNITION is SWITCHED ON. The battery negative
terminal must subsequently be covered.
◆ You must wait ten seconds after the battery has been dis-
connected.
◆ The battery must be connected when the IGNITION is
SWITCHED ON. There must not be anybody inside the vehi-
cle during this process. Exception: vehicles with battery fitted
inside the vehicle. Do not sit within the airbag and seat belt
deployment range.
◆ After connecting the battery, observe the appropriate steps
⇒ P age
59.
◆ Before performing any work on pyrotechnic components in
the restraint system, e.g. before disconnecting the electrical
connector, the mechanic carrying out the task must dis-
charge any static electricity. Electrostatic discharging can be
performed by touching earthed metal parts, e.g. by briefly
touching the door striker plate.
◆ Wash hands after touching ignited pyrotechnical compo-
nents of the restraint system.
◆ Pyrotechnical components must neither be opened nor re-
paired. New parts must always be used (risk of injury).
◆ Pyrotechnic components that have fallen onto a hard surface
or that show any sign of damage must not be installed.
2
2 Safety instructions for pyrotechnical, electrical and mechanical components of the restraint system