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Repairing threaded connections > < Using contact surface cleaning setVAS 6410

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Repairing ring terminals
Repairing ring terminals
Special tools and workshop equipment required
   
t  VAG 1331
  Note
t  The use of penetrating fluid, contact spray or grease etc. is prohibited since the missing adhesion in the threads may cause a torque excess and, therefore, the break of the threaded connection.
t  The grey sanding pads are suitable for light dirt and "soft surfaces". The red sanding pads are suitable for heavy dirt and "hard surfaces".
  WARNING
Danger of injury! Observe warning notices and safety regulations → Chapter!
–  Disconnect battery.
  W00-0427
–  Loosen cap nut and remove ring terminal from threaded connection.
–  Check ring terminal for corrosion, dirt etc.
–  Select suitable adapter and suitable sanding pad.
  Note
As an alternative, the sanding block may also be used.
  Caution
Take care not to abrade excessively the tin coating and ensure that the copper does not appear. This could produce a galvanic cell which destroys metal and causes faulty repair.
  Note
As the thickness of the tin coating may differ according to the design, the cleaning process must be performed step by step and a visual check of the ring terminal is necessary between the steps.
  N97-10788
–  Insert adapter into ring terminal and grind off corrosion and dirt with circular movements.
–  Check ring terminal and regrind if necessary.
  N97-10789
–  If necessary, remove punching burr on ring terminal using the deburrer.
–  Tighten ring terminal to specified torque → Current flow diagrams, Electrical fault finding and Fitting locations.
  Note
Optimum contact is ensured when the components to be secured are tightened to the specified torque after cleaning.
–  Apply suitable anti-corrosion treatment to connection → Chapter.
–  Reconnect battery.
  WARNING
Danger of injury! Observe warning notices and safety regulations → Chapter!
–  Teach in electric windows again, enter radio code, set clock and, if necessary, recode control units which emit code signals.
  N97-10790

Repairing threaded connections > < Using contact surface cleaning setVAS 6410