Replacing Poly-V Belt; (Every 60 000 Km/36 000 Miles); (Inspection Iii); Poly-V Belt Adjusting Procedure - BMW R 1100 S Repair Manual

Replacing Poly-V belt

(every 60 000 km/36 000 miles)

(Inspection III)

•
If necessary, disengage fuel tank and pull to the
rear.
12 3 510
•
Remove cover to expose spark plug caps.
•
Pull off spark plug caps with special puller,
BMW No. 12 3 520.
•
Use spark plug wrench, BMW No. 12 3 510, to
remove the spark plugs.
•
Remove front cover.
00.26
3
4
1
•
Slacken alternator mounting screws and
nuts (1,3,4) and install a new Poly-V belt if neces-
sary.

Poly-V belt adjusting procedure:

Poly-V belt installation procedure:
C000060
•
Place the Poly-V belt in position, tension it and
turn the engine over once, then release belt ten-
sion.
Poly-V belt tensioning procedure:
1. Hand-tighten hex nut (1) on adjusting screw (2)
(do no 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.
Tightening torque:
Poly-V belt preload......................................... 8 Nm
Alternator to alternator support cover........... 20 Nm
RS110490
2
RS110480