TM 10-4320-344-24
Figure 4-37.
Crankshaft Assembly Repair, Models 609-C and US636HCCD-1.
h.
Measure and record width of journal for locating bearing ‘3” in Figure 4-37.
Acceptable values are listed in Table 4-15.
The values in { } are for Model US636HCCD-1.
Table 4-15.
Crankshaft Dimensions, Models 609-C and US636HCCD-1.
Dimension
Minimum
Maximum
Crankpin width - all
1.3386 inches (34.0000 mm)
1.3401 inches (34.0390 mm)
Crankpin diameter
2.5185 inches (63.9710 mm)
2.5193 inches (63.9900 mm)
standard I
{2.5973 inches (65.9710 mm)}
{2.5980 inches (65.9900 mm)}
Crankpin diameter
2.5087 inches (63.7210 mm)
2.5094 inches (63.7400 mm)
standard II
{2.5874 inches (65.7210 mm)} {2.5882 inches (65.7400 mm))
Crankpin hardness
55 HRc
61 HRc
Main journal width
1.4567 inches (37.0000 mm)
1.4606 inches (37.1000 mm)
{1.4173 inches (36.0000 mm)}
{1.4213 inches (36.1000 mm)}
Main journal diameter
2.8729 inches (72.9710 mm)
2.8736 inches (72.9900 mm)
- standard I
{2.9516 inches (74.9710 mm)}
{2.9524 inches (74.9900 mm)}
Main journal diameter
2.8630 inches (72.7210 mm)
2.8638 inches 72.7400 mm)
- standard II
(2.9418 inches (74.7210 mm)}
{2.9425 inches 74.7400 mm)}
Main journal
0.0039 inches (0.1000 mm)
E c c e n t r i c i t y - A ll
Main journal radius of
0.1693 inches (4.3000 mm)
0.1772 inches (4.5000 mm)
f i l l e t - A l l
Main journal hardness
55 HRc
61 HRc
Thrust bearing journal
1.4567 inches (37.0000 mm)
1.4577 inches (37.0250 mm)
width - standard I
{1.4173 inches (36.0000 mm))
{1.4183 inches (36.0250 mm)}
Thrust bearing journal
1.4665 inches (37.2500 mm)
1.4675 inches (37.2750 mm)
width - standard II
(1.4272 inches (36.2500 mm))
{1.4281 inches (36.2750)1
i .
Replace all damaged or defective components.
4-73
