Audi Workshop Service and Repair Manuals

Preparing fibre optic cables with fibre-optic conductor repair set -VAS 6223A- Special tools and workshop equipment required

t  Fibre-optic conductor repair set -VAS 6223A-

t  Cutting pliers -VAS 6228-

Mounting tool head for pliers for fibre optic cable -VAS 6223/1- –  Press out locking pins -arrows-.

–  Fit tool head -arrow- and press locking pins back.

Cutting fibre optic cable to length –  Determine required length of fibre optic cable. –  Open pliers for fibre optic cable -VAS 6223/1- and insert fibre optic cable -1- into cutting point. –  Close pliers for fibre optic cable to cut fibre optic cable to length.

Stripping –  Open pliers for fibre optic cable -VAS 6223/1-. –  Bring stripping lever into lower position -arrow-. –  Insert fibre optic cable into stripping point. l  Fibre optic cable must be flush with back of cutting pliers. –  Close pliers for fibre optic cable as far as fixed stop and hold closed.

–  Swivel stripping lever upwards -arrow- and remove fibre optic cable.

Precision cutting (cutting end face of fibre optic cable) –  Insert fibre optic cable -1- into cutting point. l  Insulation must make contact with cutting point stop. –  Close pliers for fibre optic cable -VAS 6223/1- and remove cable.

–  Perform a visual check of cable -1- to ensure that it has been cut correctly and that there is no burr on end face.   Note t  Fibre optic cable should only be placed on an absolutely clean surface or held by hand. t  Use protective cap if there is a danger of end face of fibre optic cable becoming dirty.

Attaching brass pin contact to fibre optic cable –  Change tool head -arrow-.

–  Move securing clip on pliers for fibre optic cable -VAS 6223/1--arrow- so that the word „STIFT“ (pin) is visible.

–  Insert a brass pin contact -1- in mounting. –  Close locking lever on pliers for fibre optic cable -VAS 6223/1--arrow-.

–  Slide fibre optic cable into brass pin contact -arrow- as far as spring-loaded stop and close pliers for fibre optic cable -VAS 6223/1-. –  Open pliers for fibre optic cable and remove fibre optic cable with brass pin contact.   Caution The fibre optic cables must not be severely kinked. Bending radius must not be less than 25 mm.

–  Check that brass pin contact -2- is properly attached to fibre optic cable -1-. l  There must be 4 crimping points visible on brass pin. l  It should not be possible to detach brass pin contact from fibre optic cable by hand. l  End face of fibre optic cable is located 0.01 ... 0.1 mm behind brass pin contact (visual inspection).   Note t  Plug-in couplings are available for connection of fibre optic cable → Electronic parts catalogue. t  For fitting new fibre optic cable in wiring harness connector, refer to → Chapter.

Fitting corrugated tube onto fibre optic cable –  Cut corrugated tube to appropriate length. l  Use cutting pliers -VAS 6228- or a sharp knife for cutting. l  Do NOT use side-cutters to cut through the corrugated tube. l  The corrugated tube must be cut at the top of the corrugation -arrow- and not at the bottom. l  When being fitted, corrugated tube must engage audibly in fibre optic cable housing.

–  Insert fibre optic cable into pliers for corrugated tube installation -VAS 6223/10-, as shown in illustration. –  Apply pliers for corrugated tube installation at slot in corrugated tube. –  Slide pliers for corrugated tube installation along slot on circumference of corrugated tube. This will insert the fibre optic cable into the corrugated tube.