SHAFT 1V7265 - Caterpillar

Remove Front Drive Housing
Start By:a. remove crankcase breatherb. remove front crankshaft seal and wear sleevec. remove accessory drive (front) Make sure there is a new front crankshaft seal and wear sleeve before the front drive housing is removed. Anytime the front seal is removed from the wear sleeve, a new seal and sleeve must be installed. 1. Remove oil tube (1) from the engine.2. Fasten chains and a suitable lifting device to support (2) with Tool (A). Remove support (2) from the drive housing. The weight of the support is 102 kg (225 lb). 3. Remove elbow (3) and tube (4) as a unit from the engine 4. Remove the bolts and use Tool (B) to remove shaft (6) and idler gear (5) from the drive housing. 5. If necessary, use Tool (C) to remove the bearing from the idler gear (5). 6. Remove washer (7) from the inside of the drive housing. 7. Remove bolt (9) and washer to remove clip (8) from the drive housing. 8. Remove cover (11) from the drive housing.9. Remove all of the bolts that hold the oil pan to the engine. Install 3/8 "-16 NC Guide Bolts in each side of the oil pan. Fasten chains and a suitable lifting device the engine and lift the engine approximately 12.0 mm (.50 in) off of the oil pan. Put two 1/4 50 mm wide × 100 mm long × 6 mm thick (2 in wide × 4 in long × in thick) Plates in position between the cylinder block and the oil pan on each side of the engine. Lower the engine on the plates and remove the chains and lifting device. The weight of the engine is approximately 5443 kg (12,000 lb).
Fuel control linkage (10) must be moved for clearance to pull the front drive housing from the engine or damage to parts can be the result.
10. Fasten chains and a suitable lifting device to front drive housing (12) with Tool (A). Remove bolts (13) and the remainder of the bolts that hold housing (12) in position. Remove front drive housing (12) from the engine. The weight of the housing is 209 kg (460 lb).Install Front Drive Housing
1. Put the housing gasket in position on the front of the cylinder block. Install two 5/8 "-11 NC Guide Bolts (1) in the cylinder block. 2. Fasten chains and a suitable lifting device to front drive housing (2) with Tool (A). Put housing (2) in position on the guide bolts and install the bolts to hold it in position. Remove the guide bolts and install the remainder of the bolts. Tighten all of the bolts evenly and cut the housing gasket even with the bottom of the cylinder block.3. Fasten chains and a suitable lifting device to the engine and lift the engine enough to remove the plates between the cylinder block and the oil pan. The weight of the engine is approximately 5443 kg (12,000 lb). If the oil pan gasket is