Poly-V Belt Adjusting Procedure - BMW R 1150 RT Repair Manual

Poly-V belt adjusting procedure

Poly-V belt installation procedure:
•
Mount the poly-V belt on the pulleys and tension
it slightly, then turn the crankshaft through one
revolution and relieve the tension on the belt.
•
Tension the poly-V belt in accordance with the
specified procedure.
Poly-V belt tensioning procedure:
1 Undo nut (2) and screw on tensioning
nut BMW No. 12 3 551.
2 Loosen the alternator mounting bolts (3, 4).
3 Use torque wrench to tighten and hold tension-
ing nut BMW No. 12 3 551.
4 Tighten upper retaining nut (4), then remove
torque wrench from adjusting screw.
5 Tighten all screws and nuts.
•
Install front cover (1).
X
Tightening torque:
Poly-V belt preload ......................................... 8 Nm
Alternator
to alternator mount cover ............................. 20 Nm
11.66
1
4
3
12 3 551
2
RS2000181