BMW 7 Series: Crimping Optical Fibres
Notes
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.
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Fig. 143: Identifying Hand Pliers With Crimping Head (61 4 323)
Move contact guide by means of stop lever (1) into corresponding position (pin contact or jack).
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Fig. 144: Identifying Stop Lever On Plier
Open pliers (2).
Place pin contact or jack (1) in crimping head and secure with locking lever (3).
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Fig. 145: Placing Pin Contact Or Jack On Crimping Head
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).
Remove optical fibre (1).
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Fig. 146: Removing Optical Fibre
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).
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Fig. 147: Identifying Optical Fibre End With Pin Contact Tip
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Crimping Stop Parts
Notes
Necessary preliminary work:
Cutting cables to length and strip insulation
Special tools for wiring harness repairs.
Spare parts for vehicle electrical system (stop parts and housings):
Sou
Instructions For Opening Contacts And Locks Of Different Plug
Contact Systems
Notes
SPECIAL TOOLS DESCRIPTION CHART
IMPORTANT: The contacts can be changed on ultrasonically welded plugs (1).
Ultrasonically welded plugs (1) must be replaced completely.
Ultrasonic-welded connec
Notes On Handling Optical Fibres
IMPORTANT: To avoid damage when handling optical fibres, comply with the
following
points:
The minimum permitted bending radius is 25 mm
Do not subject optical fibres to compressive and tensile lo
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