INSERT-VALVE SEAT 7N8855 - Caterpillar

Illustration 1 g01584474
Typical example
(3) Main bearing journal
(4) Connecting rod bearing journal
Illustration 2 g01585653
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".
1 2 253-1752 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).
2 1 223-9135 Crankshaft Gear The crankshaft gear must be installed on the crankshaft with the timing mark "V" on the outside of the crankshaft gear.
A 1 4N-0684 Dowel Maximum protrusion of the dowel from the face of the crankshaft is 8.4 mm (0.33 inch).
C 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).
D 1 7S-5005 Dowel Protrusion of the dowel from the surface of the crankshaft is 4.1 0.5 mm (0.16 0.02 inch).