ORIFICE AS-AIR CONDITIONER 1891707 - Caterpillar

Illustration 1 g03497816
Front view of engine
Table 1
Specification for 383-2091 Cylinder Block Gp    
Item     Qty     Part     Specification Description    
-     During assembly, bottom of the plate, top of the block, and both the sides of the gasket plate must be free of all visible fuel, oil, water and gasket adhesives, assembly compounds, or any other contaminates.    
1     3     4W-4813 Plug     Torque to 100 15 N m (74 11 lb ft).    
2     4     5F-9657 O-Ring Seal     Lubricate the bore lightly with 5P-3975 Rubber Lubricant .    
3     14     101-1198 Camshaft Bearing     All centerlines through oil holes in the camshaft bearings and the camshaft bearing junctions must be positioned as shown in Illustration 1 on each side of cylinder block.    
Oil holes must be positioned from horizontal at an angle (D) of 20 5 degrees as shown in Illustration 1.
Bore in the cylinder block for camshaft bearing is
98.00 0.02 mm (3.858 0.001 inch).
4     8     6V-3348 O-Ring Seal     Lubricate the bore lightly with the lubricant that is being sealed.    
A     24     8T-0099 Dowel     Extension of the dowel from the top face of the cylinder block is
21.0 1.0 mm (0.83 0.04 inch).    
C     12     197-7008 Dowel     Extension of the dowel from the top face of the cylinder block is
21.0 1.0 mm (0.83 0.04 inch).    
E     7     223-1696 Crankshaft Bearing Cap     Width of the crankshaft bearing cap is
340.030 0.015 mm (13.3870 0.0006 inch).
Width of cylinder block for main bearing cap is
339.985 0.015 mm (13.3852 0.0006 inch).    
F     -     -     New dimension from centerline of crankshaft bearing bore to the top of the cylinder block is
586 mm (23.1 inch).    
G     -     -     New dimension from centerline of crankshaft bearing bore to bottom of cylinder block (pan rails) is
230 mm (9.1 inch).    
H     -     -     Bore in the cylinder block for the main bearings is
169.742 0.020 mm (6.6827 0.0008 inch).    
Illustration 2 g03497817
Section B-B
Table 2
Item     Qty     Part     Specification Description    
J     1     7N-2047 Dowel     Extension of the dowel from the rear face of the cylinder block is
6.0 0.5 mm (0.24 0.02 inch).    
K     1     7N-2047 Dowel     Extension of the dowel from the front face of the cylinder block is
6.0 0.5 mm (0.24 0.02 inch).    
L     2     4N-0683 Dowel     Extension of the dowel from the rear face of the cylinder block is
19.0 1.0 mm (0.75 0.04 inch).    
M     2     7N-2044 Dowel     Extension of the dowel from the front face of the cylinder block is
40.0 1.0 mm