OPTION AR-PRECLEANER 3405718 - Caterpillar

Installation Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     8T-5096     Dial Indicator Group     1    
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Ensure that the crankshaft main bearing tabs engage with the grooves in the block and the crankshaft main bearing cap.
Illustration 1 g01022781
Place the upper halves of crankshaft main bearings (3) in the cylinder block. Place the lower halves of crankshaft main bearings (3) in the crankshaft main bearing caps.
Fasten a suitable lifting device to the crankshaft and place the crankshaft in the cylinder block. The weight of the crankshaft is approximately 129 kg (285 lb).
Install crankshaft thrust bearings (4) .
Illustration 2 g01022767
Install crankshaft main bearing caps (2) with the part numbers toward the right hand side of the cylinder block. Ensure that crankshaft main bearing caps (2) have numbers 1 through 7. The numbers should start at the front of the engine. Place clean engine oil or Molylube on the bolt threads and the washers. Install bolts (1) . Tighten the bolts to a torque of 95 5 N m (70 4 lb ft).
Place an index mark on each bolt head. Turn the bolts for an additional 90 5 degrees (1/4 turn).
Check the end play of the crankshaft with Tooling (A) . The end play must be 0.10 mm (0.004 inch) to 0.50 mm (0.020 inch).End By:
Install the pistons and connecting rods. Refer to Disassembly and Assembly, "Pistons and Connecting Rods - Install".
Install the flywheel housing. Refer to Disassembly and Assembly, "Flywheel Housing - Remove and Install".
Install the front housing. Refer to Disassembly and Assembly, "Housing (Front) - Install".
Install the engine oil pump. Refer to Disassembly and Assembly, "Engine Oil Pump - Install".