Bmw K 1100 LT/RS Bedienungsanleitung Seite 74

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11.40
Measuring big end bearing play
Turn the crankpin 30° away from bottom dead
centre.
Wipe oil off crankpin and bearing cap.
Place Plastigage strip (arrow), Type PG-1,
BMW No.002590, over the entire width of the
bearing, 6…8 mm (0.24…0.32 in) away from the
centre of the crankpin.
Attach the bearing caps with the joint lines
aligned, and tighten them.
X Tightening torque:
Big end bearings.......................................... 30 Nm
L Note:
The crankshaft must not be turned any more at this
stage.
Tighten the big end bearings with wrench angle
indicator (1), BMW No. 11 2 210.
X Tightening torque:
Wrench angle .................................................. 80°
Unscrew and remove the bearing cap.
Determine bearing play against comparison
scale (arrow).
Bearing
play.............0.030…0.066 mm (0.0012…0.0026 in)
Wear limit .............................. 0.130 mm (0.0051 in)
If bearing shells are renewed, note paint marks
on crankpin and on big end bearing.
Regrinding stages “0” and “1” are available; the
crankpins are marked with a corresponding
number of paint spots.
If there are no paint spots, this indicates regrind-
ing stage “0”.
L Note:
The crankshaft can only be reground in stage “0”,
and must be hardened and finished afterwards.
Installing big end bearing
Move the crankpin of the cylinder concerned to
bottom dead centre.
Oil the crankpin and attach the conrod.
Pull the protective tubes off the bolts.
Attach the bearing caps with the joint lines
aligned, and tighten them.
X Tightening torque:
Big end bearings.......................................... 30 Nm
Using wrench angle indicator,
BMW No. 11 2 500, tighten the big end bearing.
X Tightening torque:
Wrench angle.................................................... 80°
LT110610
LT110620
11 2 210
1
LT110630
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