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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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
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
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
SEE MORE:
Necessary preliminary tasks
Remove driver's or passenger seat.
Set down front seat sideways on a suitable surface.
Disconnect plug connection (1).
Unfasten screws (2).
Tightening torque 67 31 1AZ.
Feed out drive unit for seat height adjustment (3) and remove.
Fig. 33: Unfastening Seat Height
Anti-theft System
The anti-theft system is available as an option. The task of the anti-theft
system is to indicate unauthorized
access to the vehicle by emitting an alarm. The alarm can be triggered both
audibly and visually. To do this,
however, the anti-theft system must be activated. When acti