Man D 2866 LE 401, Repair Manual

Page: 109 / 138

1
2
3
4
Detaching piston from and attaching to connecting rod
checking - changing connecting rod
108
Detaching piston from and attaching to
connecting rod
Fig. 1
Remove piston with connecting rod.
Clamp connecting rod in a vice using soft jaws.
Remove gudgeon pin circlip.
Fig. 2
Push out gudgeon pin, holding piston in place.
Take off and lay it aside.
Measure connecting rod big end bore (basic
bore)
Fig. 3
Insert new connecting rod bearing and fit cap.
Tighten bolts to specified torque.
Measure bearing bores with inside micrometer in
measuring directions 1, 2 and 3 as well as in
planes a and b.
For max. perm. values, see ”Engineering
S
Data
S
Setting values”. Change connecting rods if
deviations exceed the tolerance range.
Fig. 4
Small end bushes are not available. If the bushes
are worn, install reconditioned connecting rod.
3562
3563
3
1
8 mm
8 mm
2
b a
2861
3564