SWITCH AS 1690589 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     2P-5518     Bearing Tool     1    Start By:
Remove the engine oil pump. Refer to Disassembly and Assembly, "Engine Oil Pump - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Check the main bearing caps for identification of the location and check the direction of the main bearing caps in relation to the cylinder block. The main bearing caps must be installed in the original location and the original direction.
Illustration 1 g00503084
Remove No. 2 through No. 6 main bearing caps (1). Remove the thrust plates from the No. 4 main bearing. Note: Remove No. 1 and No. 7 main bearing caps (1) after No. 2 through No. 6 main bearing caps have been installed.
Illustration 2 g00503174
Note: If the crankshaft is turned in the wrong direction, the tab on the bearing will be pushed between the crankshaft and the bearing area of the cylinder block. This can result in damage to the cylinder block and/or the crankshaft. Turn the crankshaft so that the bearing tab is rotated out of the crankshaft.
Remove the upper halves of the main bearings by putting Tooling (A) in oil hole (2) in the crankshaft. Turn the crankshaft in the direction which will remove the upper halves of the main bearings.
Remove the lower halves of the main bearings from the main bearing caps.