BMW K 1100 LT/RS - Manual (Page 70)

11.36
Measuring crankshaft bearing play
Measuring radial play
• Crankshaft bearing points must be clean and
lightly oiled.
• Place the crankshaft in the crankcase and install
the bearing caps so that the joint lines are
aligned.
L
Note:
Bearing caps 1…3 are marked; bearings 4 (thrust
bearing) and 5 are not marked.
• Tighten the bearings in the order shown, starting
from the centre and working outwards.
X
Tightening torque:
Main bearings .............................................. 50 Nm
• Turn the crankshaft to top dead centre at the
bearing to be measured.
• Take off the bearing cap.
• Turn the crankshaft further by approximately an-
other 30°.
• Wipe off oil at the bearing journal and bearing
shell.
• Measure bearing play with Plastigage Type Pg-1,
BMW No. 00 2 590.
• Place the Plastigage strip (arrow) over the entire
width of the bearing, 6…8 mm (0.24…0.32 in)
from the centre.
X
Tightening torque:
Main bearings .............................................. 50 Nm
L
Note:
Do not turn the crankshaft any more.
• Remove bearing cap.
• Determine the width of the strip and thus the
bearing play with the comparison scale (arrow).
Radial
clearance .... 0.020...0.056 mm (0.0008...0.0022 in)
Wear limit .............................. 0.110 mm (0.0043 in)
5
3 1
2
4
LT110540
LT110550
LT110560