PLATE 8S6189 - Caterpillar

Remove Flywheel Housing
start by:a) remove exhaust elbowb) remove tachometer drivec) remove crankshaft rear seal and wear sleeve Make sure there is a new rear crankshaft seal and wear sleeve before the housing is removed. Anytime the seal is removed from the wear sleeve a new sleeve and seal must be installed. 1. Remove brackets (1) and (2) from the engine. 2. Use tooling (A) to remove the camshaft drive gears from the camshafts.3. Drain the oil from the oil pan.4. Remove all of the bolts that hold the oil pan to the engine. Install two 3/8"-16 NC guide bolts in each side of the oil pan. Fasten a hoist to the engine and lift the engine approximately 12 mm (0.5 in.) off of the oil pan. Put two 50 mm wide x 100 mm long x 6 mm thick (2 in. wide x 4 in. long x 1/4 in. thick) plates in position between the cylinder block and the oil pan on each side of the engine. Lower the engine. Lower the engine on the plates and remove the hoist. The weight of the 3512 Engine is approximately 5443 kg (12,000 lb.). The weight of the 3508 Engine is 4445 kg (9800 lb.). 5. Use tooling (B) to fasten a hoist to the flywheel housing. Remove the bolts and remove flywheel housing (3) from the engine. The weight of the housing is 245 kg (540 lb.). 6. Remove O-ring seal (4) from the engine block.Install Flywheel Housing
1. Install O-ring seal (1) on the engine block and put clean engine oil on it.2. Put the flywheel housing gasket in position on the rear of the engine block. 3. Install two 5/8"-11 NC guide bolts (2) in the engine block. 4. Fasten a hoist to flywheel housing (3) with tooling (A) and put the housing in position on the guide bolts. Install the bolts to hold the housing in position and tighten the bolts evenly. Remove the guide bolts and install the remainder of the bolts.5. Cut the flywheel housing gasket even with the bottom of the cylinder block.6. Fasten a hoist to the engine and lift the engine enough to remove the plates between the cylinder block and the oil pan. If the oil pan gasket is damaged, the engine will have to be removed from the oil pan to make a replacement of the gasket. Lower the engine on the oil pan and remove the guide bolts from the oil pan. Install all of the bolts that hold the oil pan to the engine. 7. Put camshaft drive gears (4) in position on the ends of the camshafts. Install the plate and tachometer drive adapter assembly to hold the gears in position. Tighten the bolts evenly to a torque of 100 15 N m (75 11 lb.ft.). Hit the plate and adapter assembly with a hammer and tighten the bolts again to the same torque. Do this until the torque does not change. 8. Install brackets