GASKET KT-YM 3872912 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     138-7575     Link Bracket     2    
B     8B-7551     Bearing Puller     1    
8B-7549 Puller Leg     2    
3H-0465 Push-Puller Plate     4    
1B-4207 Full Nut     2    
8B-7560 Step Plate     1    
1P-0820 Hydraulic Puller     1    
9U-6600 Hand Hydraulic Pump     1    Start By:
Remove the front housing. Refer to Disassembly and Assembly, "Front Housing - Remove".
Remove the flywheel housing. Refer to Disassembly and Assembly, "Flywheel Housing - Remove and Install".
Remove the engine oil pump. Refer to Disassembly and Assembly, "Engine Oil Pump - Remove".
Remove the oil pan plate. Refer to Disassembly and Assembly, "Engine Oil Pan Plate - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00503163
Turn the crankshaft until timing mark "C" on crankshaft gear (1) is aligned with timing mark "C" on camshaft gear (2) .
Illustration 2 g00503180
Remove connecting rod nuts (4) and connecting rod caps (3) from the connecting rods.
Damage may occur to the fuel injection nozzle or the piston if the piston and connecting rod are pushed too far down in the cylinder liners.
Note: The piston will be difficult to push down into the cylinder when the inlet valves and exhaust valves are closed.
Push down on the pistons that are not at the top center position in order to clear the crankshaft.
Remove main bearing cap bolts (5) and main bearing caps (6) from the cylinder block.
Illustration 3 g00503320
Remove thrust plates (7) from the rear main bearing.
Illustration 4 g00503353
Install Tool (A) and a suitable lifting device on crankshaft (8), as shown. Lift the crankshaft straight up from the cylinder block. The weight of the 3304B crankshaft is 65 kg (143 lb). The weight of the 3306B crankshaft is 95 Kg (210 lb).
Illustration 5 g00503384
Use Tool (B) in order to remove the crankshaft gear and the oil seal wear sleeve from the crankshaft.Note: Put identification marks on the bearings and on the bearing caps prior to removal.
Remove the main bearings from the main bearing caps and from the cylinder block. Remove the connecting rod bearings from the connecting rods and from the connecting rod caps.