BMW R 1100 S EVO, Maintenance Manual

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Replacing poly-V belt
(Inspection III)
every 60,000 km (36,000 miles)
•
Remove left-hand oil cooler trim.
•
Remove front cover.
•
Slacken alternator mounting screws and nuts
(1,3,4) and install a new poly-V belt if necessary.
.
Poly-V belt adjustment procedure:
Poly-V belt installation procedure:
•
Place the poly-V belt in position, tension it and
turn the engine over once, then relieve belt ten-
sion.
Poly-V belt tensioning procedure:
1 Slightly tighten hex nut (1) on adjusting screw (2)
by hand ( do not use tools ).
2 Tighten adjusting screw (2) with a torque wrench
and keep preload applied.
3 Tighten upper retaining nut (3), then remove
torque wrench from adjusting screw.
4 Tighten all screws and nuts.
X
Tightening torque:
Poly-V belt preload......................................... 8 Nm
Alternator
to alternator support cover ........................... 20 Nm
RS110490
RS110480
1
2
3
4