RING-RETAINING 5L4753 - Caterpillar

Remove & Install Camshaft Bearings
Start By:a. remove timing gears and plateb. remove head assemblyc. remove flywheel housing Fluid Spillage ContainmentCare must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to "Tools And Shop Products Guide", NENG2500 for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose fluids according to local regulations and mandates. 1. Use Tool (A) to remove the camshaft bearings from the cylinder block starting with the rear bearing. The following steps are for the installation of the camshaft bearings.2. Use Tool (A) to install the camshaft bearings in the cylinder block.3. All camshaft bearings must be installed so that the holes in the bearings are 90 15 degreesfrom the oil holes in the cylinder block. Make sure the bearing joint position is above the oil holes. 4. The installation depth of dimension A of the front bearing from the front face of the block is 2.8 0.5 mm (.11 .02 in).5. Install the remainder of the bearings to the dimensions given from the front face of the block as follows:B. 181.9 0.5 mm (7.16 .02 in).C. 353.3 0.5 mm (13.91 .02 in).D. 524.8 0.5 mm (20.66 .02 in).E. 696.2 0.5 mm (27.41 .02 in).F. 867.7 0.5 mm (34.16 .02 in).G. 1039.1 0.5 mm (40.01 .02 in). 6. After assembly, the inside diameter of bearings (1) must be 69.969 0.048 mm (2.7500 .0019 in). The remainder of the bearing must have an inside diameter of 69.982 0.061 mm (2.7552 .0024 in).End By:a. install flywheel housingb. install head assemblyc. install timing gears and plate