HOSE AS 2389440 - Caterpillar

start by:a. remove flywheel housing 1. Remove plate (1) to remove gear assembly (2) from the shaft. 2. Use Tool (A) and a press to remove bearing (3) from gear assembly (2).3. Use Tool (A) and a press to make a separation of the gears for gear assembly (2). 4. Remove the bolts to remove the shafts, gears (4) and the washers from the cylinder block. 5. Remove washers (6) and shafts (5) from gears (4).6. Use Tool (A) and a press to remove bearings from gears (4). Remove shaft (7) from the engine. 7. Remove the bolts and remove gear (8) from the end of the crankshaft.Install Rear Gear Group
1. Put gear (1) in position on the end of the crankshaft and install the bolts. 2. Install shaft (2) on the cylinder block. 3. Use Tool (A) and a press to install the bearings in both gears (3) until the bearings are in the center of their bores. The bore in the bearing must be 75.00 0.053 mm (2.9528 .0021 in) after assembly. 4. Put clean engine oil on the bearings and install shafts (5) in gears (3). Install washers (4) on the shafts 5. Put gears (3) in position on the cylinder block and install the bolts to hold the gears in position. 6. Use Tool (A) and a press to install bearing (6) in gear assembly (7). The bore in bearing (6) must be 75.00 0.053 mm (2.9528 .0021 in) after assembly. 7. Heat the larger gear of gear assembly (7) to a maximum temperature of 400°C (752°F) and install it on the small gear as shown.8. Put clean engine oil on the bearing and install gear assembly (7) on the shaft. 9. Put plate (8) in position on gear assembly (7) and install the bolts.End By:a. install flywheel housing