Special tools required:

WARNING: This page is about a different car, the 2003 BMW 525i, 2002 BMW 525i, and 2001 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.

61 4 320

To crimp optical fibres, use pliers 61 4 321 (1) in conjunction with crimping head 61 4 323 (2) from crimping set 61 4 320.

NOTE: Pliers (1) open automatically as far as they will go when handles are pressed together.

Fig 1: Identifying Pliers 61 4 321 & Crimping Head 61 4 323

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Move contact guide by means of stop lever (1) into corresponding position (pin contact or jack).

Fig 2: Moving Contact Guide By Means Of Stop Lever

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Open pliers (2).

Place pin contact or jack (1) in crimping head and secure with locking lever (3).

Fig 3: Placing Pin Contact Or Jack In Crimping Head

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NOTE: Follow procedure for cutting and stripping insulation from optical fibres.

Insert stripped optical fibre (1) as far as it will go into pin contact or jack (2).

Close pliers (3) fully.

Open pliers (3) and locking lever (4).

Fig 4: Inserting Stripped Optical Fibre

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Remove optical fibre (1).

IMPORTANT: Make sure optical fibre is correctly seated in jack.

Right (A)

End of optical fibre (1) must be flush with tip of pin contact (2).

Wrong (B)

End of optical fibre (1) is not flush with tip of pin contact (2).

Fig 5: Viewing Right (A) & Wrong (B) Optical Fibre Seated In Jack

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