00.17
Renewing Poly-V belt
(every 60 000 km/36 000 miles)
(Inspection III)
•
Remove the cover.
•
Use the spark plug cap assembly tool from the
toolkit to pull off the spark plug caps.
•
Use spark plug wrench, BMWNo.123510, to
unscrew and remove the spark plugs.
•
Remove the horn with its mount.
•
Remove front cover.
•
Remove vent line (1).
•
Slacken off alternator mounting screws (1,3,4)
and install a new Poly-V belt if necessary.
Poly-V belt adjusting procedure:
Poly-V belt installation procedure:
•
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. Screw hex nut (1) on adjusting screw (2) up
handtight (no tools to be used)
2. Tighten adjusting screw (2) with a torque wrench
and keep it under tension.
3. Tighten upper retaining nut (3), then release the
tension at the adjusting screw.
4. Tighten all screws and nuts.
X Tightening torque:
Poly-V belt preload......................................... 8 Nm
Alternator to alternator support cover........... 20 Nm
Vent line at generator mount cover:
Banjo screw ................................................. 25 Nm
Machine screw............................................. 10 Nm
e Caution:
Install the vent line with new O-ring seals.
C000060
12 3 510
C000070
1
TDC
RS110480
1
2
3
4
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