12.10
Removing and installing magnetic
gate
•
Remove seat.
•
Unscrew fuel tank mount.
•
Pull fuel tank to the rear and support it at the front
with a piece of wood or similar.
e Caution:
Avoid scratching any components, for instance by
inserting a piece of cloth between the fuel tank and
the frame.
•
Remove the horn with its holder.
•
Remove front cover from engine.
•
Unscrew alternator mount (1).
•
Remove rotary breather tube (2).
•
Remove Poly-V belt (3).
e Caution:
Disconnect ground (earth) lead from battery.
Insulate the ground (earth) lead!
•
Remove the starter motor.
•
Lock clutch housing with special tool
BMW No. 11 5 640.
•
Remove Poly-V belt pulley (4) with rotor gate at
crankshaft.
•
Separate the plug connection for the magnetic
trigger in the central electrical equipment box.
L Note:
If necessary, mark position of magnetic trigger for
later installation.
•
Remove magnetic trigger (5).
•
Install in reverse order of work.
•
Attach rotor (6) of Hall-effect gate with
adhesive to the Poly-V belt pulley (4).
Adhesive: .....Loctite instant adhesive or equivalent
e Caution:
Install retainer for Hall-effect rotor at groove/crank-
shaft (7).
Carefully dismantle magnetic trigger lead. Tension
Poly-V belt according to installation procedure.
X Tightening torque:
Pre-tension of Poly–V belt .............................. 8 Nm
Alternator to alternator mount cover............. 20 Nm
Belt pulley to crankshaft............................... 50 Nm
RS120090
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