1
2
3
4
Removing pistons from conrod and fitting,
checking - replacing conrod
115
Removing pistons from conrod and fit-
ting
Fig. 1
Remove pistons with conrods
Fit conrod in a vice, use protective jaws.
Disengage piston pin fastening.
Fig. 2
Press out piston pins; in doing so, hold the piston.
Remove piston and place to one side.
Measure conrod foot bore (base hole)
Fig. 3
Insert new conrod bearing and fit cover.
Tighten bolts according to regulation.
Measure the bearing bore with an inside microme-
ter in measuring directions 1, 2 and 3 and in pla-
nes a and b.
Max. permitted values, see “Service Data”.
In the case of deviations beyond the tolerance
range, replace conrod.
Fig. 4
Piston pin sockets are not available.
In the case of worn sockets, fit exchange conrods.
3
1
8 mm
8 mm
2
BA