Detroit Diesel MBE 4000 Service Manual page 146

1.13 RING GEAR
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3. Check the amount of interference fit between the flywheel mounting shoulder and the
ring gear. See Figure 1-73. The interference fit must be within the permissible values
listed in Table 1-23.
1. Ring Gear
Figure 1-73
Description
Flywheel Shoulder Diameter (for ring gear mounting)
Hole for Mounting Clutch Pressure Plate
Ring Gear Inside Diameter
Ring Gear/Flywheel Interference Fit
Ring Gear/Flywheel Permissible Radial Runout
Ring Gear Width
Ring Gear Fitting Temperature
Table 1-23 Flywheel Ring Gear Specifications
[a] Measure the flywheel shoulder diameter (B).
[b] Measure the inside diameter of the new ring gear (A).
[c] Determine the amount of interference fit by subtracting the ring gear inside diameter
(A) from the flywheel shoulder diameter (B).
[d] Make sure that the amount of interference fit lies between 0.295 and 0.645 mm
(0.0116 and 0.0254 inch).
1-98
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Flywheel/Ring Gear Interference Fit
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2. Flywheel
Specification, mm (in.)
432.450-432.645 mm (17.0256-17.0332 inches)
M10 x 1.5
432.000-432.155 mm (17.0078-17.0139 inches)
0.295-0.645 mm (0.0116-0.0254 inch)
0.5 mm (0.02 inch)
18.4-18.6 mm (0.72-0.73 inch)
200-230 C (390-450 F)
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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All information subject to change without notice.
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