DRIVE A 0046390 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 2P-5518 Bearing Tool 1
B 8T-5096 Dial Indicator Group 1 Start By:
Remove the engine oil pump.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01153704
Remove bolts (1) and crankshaft main bearing cap (2).
Remove the lower half of the crankshaft main bearing from crankshaft main bearing cap (2).
If the crankshaft is turned in the wrong direction, the tab of the crankshaft main bearing will be pushed between the crankshaft and the cylinder block. this can cause damage to either or both the crankshaft and the cylinder block.
Install Tooling (A) in the crankshaft journal.
Turn the crankshaft in order to remove the upper half of the crankshaft main bearing. Installation Procedure
Note: Place clean engine oil on the crankshaft main bearings prior to assembly. Ensure that the tabs on the back side of the crankshaft main bearings fit in the grooves of the crankshaft main bearing caps and the cylinder block.
Illustration 2 g01153704
Use Tooling (A) and install the upper halves of the crankshaft main bearings in the cylinder block. Do not put oil on the back of the crankshaft main bearing.
Install the lower halves of the crankshaft main bearings in crankshaft main bearing caps (2). Do not put oil on the back of the crankshaft main bearing.
Crankshaft main bearing caps should be installed with the part number toward the front of the engine. Crankshaft main bearing caps are to be identified by stamped numbers 1 through 7 that are located on the bottom surface of the bearing cap. The thrust plate is used on the number 6 main bearing.
Place crankshaft main bearing caps (2) in position on the cylinder block. Place clean engine oil or Molylube on the bolt threads and the washer face. Install bolts (1).
Tighten each bolt (1) to a torque of 95 5 N m (70 4 lb ft). Tighten each bolt (1) for an additional 90 5 degrees (1/4 turn).
Check the end play of the crankshaft with Tooling (B). The end play must be 0.21 to 0.60 mm (0.008 to 0.024 inch). End By:
Install the engine oil pump.