Piston, Piston Ring, And Connecting Rod - Detroit Diesel MBE 4000 Service Manual

1.17

PISTON, PISTON RING, AND CONNECTING ROD

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1.17 PISTON, PISTON RING, AND CONNECTING ROD

The pistons are made of aluminum alloy with ring carriers and a shallow combustion chamber
recess. The pistons are cooled by oil spray nozzles. See Figure 1-79 for an exploded view of the
piston and connecting rod assembly.
1. Piston and Rings
2. Wrist Pin
3. Snap Ring
4. Connecting Rod
Figure 1-79
1.17.1 Piston Removal
Remove the piston assembly as follows:
1. Remove the engine from the vehicle.
NOTE:
The MBE 4000 engine has individual heads for each cylinder. To remove one piston,
do these procedures step by step. To remove all the pistons, repeat each step in these
instructions, as applicable, for all six pistons.
2. Remove each cylinder head, as required. Refer to section 1.2.1.
3. Remove the oil pan. Refer to section 3.1.1.
1-106
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Piston Assembly (exploded view)
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5. Bearing Cap
6. Connecting Rod Stretch Bolt
7. Bearing Shell
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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All information subject to change without notice.
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