FITTING-ELBOW 4647345 - Caterpillar

Drive the insert out of the rocker arm. If the insert is going to be reused, do not allow the insert to strike the work surface.
Illustration 306 g06234646
Place the rocker arm in a press. Use a suitable press tool that is sized correctly to press out the bearing without damaging the bore for the bearing.
Illustration 307 g06234656
Illustration 308 g06234657
Inspect the bearing bore for damage. The bearing bore should measure 53.233 0.02 mm (2.0958 0.0008 inch).
Illustration 309 g06234661
Place the rocker arm in a press. Use a suitable press tool that is sized correctly to press in the bearing without damaging the bore for the bearing. Freezing the bearing prior to installation will aid in the installation. The bearing should not protrude past the bearing bore in the rocker arm.
Illustration 310 g06236278
Illustration 311 g06236280
Once the bearing is installed into the rocker arm be sure that the lubrication ports are aligned.
Illustration 312 g06111223
A rocker arm being machined.
Machine the rocker arm bearing to 50.086 0.015 mm (1.9719 0.0006 inch). The surface texture must be a maximum of 0.8 µm (32 µinch).
Illustration 313 g06111208
Rocker arm lubrication ports being flushed.
Illustration 314 g06111209
Rocker arm lubrication ports being flushed.
After the bearing has been machined, the rocker arm must be thoroughly cleaned. Flush the lubrication ports to ensure that the rocker arm is free of debris.
Illustration 315 g06235821
Illustration 316 g06235823
Install the insert into the rocker arm. Take caution from damaging the flat on the insert. Use a rubber mallet to drive the insert into the rocker arm. Be sure that the insert sits flush onto the rocker arm.
Illustration 317 g06235827
Install the button onto the insert. Use a rubber mallet to drive the button onto the insert.
Illustration 318 g06234638
Install the rocker arm adjusting screw and the jamb nut.
Once the rocker arm is fully assembled, thoroughly clean the rocker arm. The rocker arm is ready now ready to return to service.