CRANKSHAFT GP 9Y4054 - Caterpillar

start by:a) remove oil panb) remove crankshaft pulley1. Remove oil pump suction pipe. 2. Remove two nuts (2) and tachometer drive housing (1). 3. Remove four bolts (7) that hold front support (8) to the timing gear cover.4. Disconnect water outlet elbow (5) from the oil cooler.5. Disconnect fuel lines from the fuel filter base. 6. Remove the clamps from the water sleeves in each cylinder head. Push the sleeves into the timing gear cover with tool (A) and a screwdriver.7. Remove connector (3).8. Remove bolts (4) that hold the timing gear cover to the cylinder block. Be sure to remove the bolt that is behind elbow (6). Put identification of the bolts as to their location for use at assembly.
Be extra careful not to cause damage to the crankshaft front seal during removal and installation of the timing gear cover.
9. Install two 7/16"-14 NC forged eyebolts in the timing gear cover. Fasten a hoist and remove timing gear cover (9) and the oil pump from the dowels on the cylinder block. The weight of the timing gear cover and oil pump is 136 lb. (62 kg).Install Timing Gear Cover And Oil Pump
1. Clean the contact surfaces of the cylinder block and timing gear cover. Install the timing gear cover gasket on the cylinder block. Make sure the water sleeves are installed in the timing gear cover. Put oil on the seals.2. Install two7/16"-14 NC forged eyebolts in the timing gear cover. Fasten a hoist and put timing gear cover and the oil pump in position on the engine. Make sure the oil pump gear and crankshaft gear are in alignment.3. Install the bolts that hold the cover in place.4. Install the connector.5. Push the water sleeves into the cylinder heads with tool (A) and a screwdriver. Install clamps.6. Put the engine front support in position and install the bolts that hold it in place. Install the tachometer drive housing.7. Connect the fuel lines to the fuel filter base.8. Connect water outlet elbow to the timing gear cover.9. Install oil pump suction pipe.end by:a) install crankshaft pulleyb) install oil pan