BUSHING 4H8812 4H8811 - Caterpillar

Installation Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     129-6671     Reaction Sleeve     1    
129-6672 Puller Plate     1    
129-6673 Bearing Pilot     1    
129-6674 Backup Plate     1    
6F-7032 Bolt     1    
1P-5542 (1) Taperlock Stud     1    
C     8S-2241 (2)     Camshaft Bearing Tool Group     1    
( 1 ) Part of 1P-5545 Adapter Gp
( 2 ) All of the tools that are listed above are used with Tooling (C) .
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01016694
Position new camshaft bearings (1) in Tooling (A) and install the bearings from the rear to the front of the engine.
Location of the camshaft bearing lubrication holes is critical. Position the clinch butt joint up for all seven camshaft bearings. The No. 1 camshaft bearing oil hole is located 115 degrees counter clockwise from top center to align with the oil supply passage in the block. Camshaft bearings No. 2 through No. 7 are installed with the oil hole 45 degrees clockwise from top center. All are viewed from the front of the engine. Camshaft bearings 1,2,3,4,5, and 6 are the same width. Camshaft bearing No. 7 has a smaller width. Refer to the Specifications Manual for more information.
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Install the camshaft. Refer to Disassembly and Assembly, "Camshaft - Install".
Install the lifter group. Refer to Disassembly and Assembly, "Lifter Group - Remove and Install".