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

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Max. Shaft Length, mm (in.)
77.0 mm (3.03 in)
77.0 mm (3.03 in)
Table 1-75

Piston, Piston Ring and Connecting Rod

The piston projection specifications are listed in Table 1-76. The piston ring end-gap dimensions
are listed in Table 1-77. Listed in Table 1-78 are the pistons inspection specifications. The
tightening stages for the connecting rod stretch bolts are listed in Table 1-79. The connecting
rod dimensional tolerances are listed in Table 1-80. Listed in Table 1-81 are the connecting
rod bearing play specifications. The specifications for the diameter of the bearing bore are
listed in Table 1-82. Listed in Table 1-83 are the bearing journal specifications. The connecting
rod bushing specifications are listed in Table 1-84.
Piston Projection (from TDC)
Table 1-76
Ring Designation
Keystone
Taper-Faced with Internal
Angle
Double-Chamfered Oil
Control with Garter Spring
Table 1-77
Description
Piston Compression Height
Wrist Pin Bore Diameter
Wrist Pin Diameter
Table 1-78
All information subject to change without notice.
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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Tightening Stage
Stage 1
Stage 2
Tightening Stages, Flywheel Mounting Bolts
Description
Piston Projection Specifications
Groove
I
II
III
Piston Ring End-Gap Dimensions
Piston Inspection Specifications
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MBE 4000 SERVICE MANUAL
Torque Value, N·m (lb·ft)
200 N·m (147.5 lb·ft)
90 degrees
mm (in.)
0.244 to 0.715 (0.0096 to 0.0281)
Gap When New, mm (in.)
0.45 to 0.60
(0.018 to 0.024)
0.40 to 0.55
(0.016 to 0.022)
0.40 to 0.55
(0.016 to 0.022)
Dimensions: mm (inch)
79.50-79.55 (3.130-3.132)
52.03-52.04 (2.0484-2.0488)
51.992-51.998 (2.0469-2.0472)
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Maximum End Gap, mm
(in.)
1.0 (.039)
1.0 (.039)
1.0 (.039)
1-191
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