Removing And Installing Magnetic Gate - BMW R 1100 S Repair Manual

7
Removing and installing magnetic
gate
•
Remove seat.
•
Disengage fuel tank.
•
Pull fuel tank to the rear and support it at the front
with a piece of wood or similar.
e
Caution:
Avoid scratching components, for instance by in-
serting a piece of cloth between the fuel tank and
the frame.
•
Remove front cover from engine.
•
Remove alternator retainers (1).
•
Remove Poly-V belt (2).
e
Caution:
Disconnect ground (earth) lead from battery.
Insulate the ground (earth) lead.
•
Remove the starter motor.
•
Install locking device, BMW No. 11 5 640, to lock
the clutch housing.
•
Remove Poly-V belt pulley (3) with rotor gate from
crankshaft.
•
Disconnect plug of magnetic gate.
L
Note:
If necessary, mark position of magnetic gate for re-
installation.
•
Remove magnetic gate (4).
•
Installation is the reverse of the removal proce-
dure.
1
4
•
Affix rotor (5) of Hall-effect gate with adhesive to
the Poly-V belt pulley (3).
Adhesive: .....Loctite instant adhesive or equivalent
e
Caution:
Seat retainer for Hall-effect gate rotor in groove in
crankshaft (7).
Carefully route cable for magnetic gate. Tension
Poly-V belt to specification.
•
Switch on the ignition.
•
Without starting the engine, fully open the throttle
once or twice so that the Motronic control unit
can register the throttle-valve positions.
L
Note:
Disconnecting the battery deletes all entries (e.g.
faults, settings) stored in the Motronic control unit's
memory.
Loss of settings can temporarily impair the operat-
ing characteristics when the engine is restarted.
X
Tightening torque:
Preload of Poly–V belt .................................... 8 Nm
Alternator to alternator mount cover............. 20 Nm
Belt pulley to crankshaft ............................... 50 Nm
2
5
3
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