C27 and C32 Engines for Caterpillar Built Machines Crankshaft Caterpillar


Crankshaft
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Illustration 1g01584474
Typical example
(3) Main bearing journal
(4) Connecting rod bearing journal


Illustration 2g01585653
View B-B

Table 1
Specification for 224-3250 Crankshaft Gp and 225-6052 Crankshaft Gp 
Item  Qty  Part  Specification Description 
Refer to Specifications, "Connecting Rod and Main Bearing Journals" for more information about the crankshaft journals. 
For the correct procedure of measuring for a bent crankshaft, refer to the Guideline for Reusable Parts and Salvage Operations, SEBF8054, "Procedure to Measure and Straighten Bent Crankshafts". 
253-1752 Thrust Plate  Install the thrust plates (1) on the center main bearing journal of the crankshaft only. 
Thickness is 5.74 ± 0.04 mm (0.226 ± 0.002 inch).
223-9135 Crankshaft Gear  The crankshaft gear must be installed on the crankshaft with the timing mark "V" on the outside of the crankshaft gear. 
4N-0684 Dowel  Maximum protrusion of the dowel from the face of the crankshaft is 8.4 mm (0.33 inch)
End play with new thrust plates is 0.10 to 0.60 mm (0.004 to 0.024 inch).
Maximum end play with used thrust plates is 0.89 mm (0.035 inch)
7S-5005 Dowel  Protrusion of the dowel from the surface of the crankshaft is 4.1 ± 0.5 mm (0.16 ± 0.02 inch)

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