Man D 2866 LE 401, Repair Manual

Page: 107 / 138

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6
7
8
Removing and installing piston with connecting rod
106
Installing piston with connecting rod
Note:
If the pistons must be changed, ascertain by
measuring the pistons or reading the mea-
surement on the top of the piston whether
undersized pistons were installed.
If this is the case, undersized pistons must
be used.
Fig. 5
Check bearing shells for wear and damage.
Measure the spread as for main bearing shells.
Install new bearing shells if necessary.
When repairing connecting rod bearing journals,
use bearing shells of the corresponding repair
stage.
Fig. 6
Insert bearing shells into the connecting rods or
connecting rod bearing caps.
Important:
The rod shell has a red or yellow mark on
the side.
The top coat must not be damaged.
Apply a thin coat of oil to the connecting rod bear-
ing shells.
Fig. 7
Apply a thin coat of oil to the cylinder liners and
pistons.
Arrange piston ring gaps with an offset of
approx. 120
_
.
Apply piston ring tightener and tighten piston rings.
Fig. 8
Insert the pistons so that the recess on the piston
skirt points towards the oil spray nozzle.
Guide connecting rod and insert piston until con-
necting rod big end contacts the connecting rod
bearing journal.
Caution:
Do not damage oil spray nozzles.
3556
3557
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