Big-End Bearings
Inspection / Disassembly
A5.05. 02.04.01.01
15000, 30000
M20
en / 30.05.2000 IB021371 2/3
02
Ĺ
1.4 Tighten bolts 1 and 2 twice in the
sequence 1 - 2 - 1 - 2 with a torque
M = 160 Nm.
1.5 Mark the bolt position or put on a
tightening angle gauge
1.6 Clamp the bolts tight in the sequence
3 - 4 - 1 - 2 with a torque
M = 350 Nm
corresponding to a minimum tightening
angle of bolts:
1 and 2 of min. 13° - 16
3 and 4 of min. 17° - 19°
Achtung:
the minimum tightening angle is to be
kept
1.7 Measure dimension x
2
between the
bore holes on the camshaft side and
determine the differential dimension
x
1
- x
2
= clearance.
Clearance Limit value
mm mm
0.45 - 0.65 0.35
If the limit value is not reached, renew
bearing shells pairwise and mark both
halves in accordance with the numbers
of impacts cylinder No., connecting rod
and bearing cap (W).
x
2
Z
Z
Fig. 2
3
4
2
1
W
W3
W
To Next Page
Loading...
General