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Removing and installing pistons with conrods
121
Removing pistons with conrods
D Removing oil pan, see page 64, 67
D Removing cylinder heads, see page 93
Fig. 1
Loosen and remove conrod bearing cover bolts.
Fig. 2
Take off conrod bearing covers with bearing
bushes; if necessary, light knocks with a plastic
hammer will help here.
Note:
Connecting rod bearing caps are match−
marked with the connecting rod big ends;
arrange them in corresponding order.
Do not place the conrod bearing covers on
the cracked faces.
Caution:
If their cracked surfaces are damaged the
connecting rods must be changed!
Remove combustion residues (oil carbon) from top
cylinder edge using a piece of hard wood.
Caution:
Do not damage the cylinder liners!
Fig. 3
Press out the conrod with piston upwards.
Caution:
Do not damage the oil injection nozzles!
Fig. 4
Lay pistons with conrods and associated covers
aside; use deposit rack if available.
Perform visual check of piston and piston rings.
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