ENGINE AR-PRIM 4744238 - Caterpillar

25. Put identification marks on wires (38) and (39) for assembly purposes. Disconnect the wires from the two oil pressure sending units located at the rear of the engine. 26. Disconnect tube assembly (40) and (41) from the brake reservoir assemblies. 27. Remove three bolts (43) that hold bracket assembly (44) to the hydraulic tank. Remove bracket assembly (44) and brake reservoirs (45) as a unit from the machine.28. Remove air cleaner housing (42). See Air Cleaner Housing. 29. Remove bolt and nut (47), and disconnect clip (48) that holds breather tube (46) in place. 30. Remove bolt (50), and disconnect the clip that holds breather tube (46) to the engine.31. Loosen clamps (49), and remove breather tube (46) from the engine. 32. Disconnect two fuel lines (55) from the fuel tank.33. Remove bolt (57) and (58). Disconnect the clips that hold the fuel lines to the frame.34. Remove the two bolts, and disconnect clips (51) and (56) that hold the fuel lines to plate (52).35. Remove bolts (53) and the nuts that hold the front support to the frame. Remove the upper half (54) of the mount assemblies and the sleeves. 36. Fasten tooling (A) and a hoist to engine lifting plates (59) as shown. 37. Place a wooden block (60) and a suitable floor jack in position under the torque converter as shown. If necessary, use forcing screws to make a separation of the transmission case and the flywheel housing.38. Remove bolts (61) that hold the torque converter to the flywheel housing. Remove the engine from the machine. The weight of the engine is 805 kg (1775 lb.).Install Engine
1. Inspect O-ring seal (1) on the torque converter, and make a replacement if necessary. Put clean engine oil on the O-ring seal. 2. Fasten tooling (A) and a hoist to the engine lifting plates as shown. Put engine (2) in position, and make an alignment of the flywheel and the torque converter. 3. Install bolts (3) that hold the flywheel housing to the torque converter. 4. Remove wooden block (4) and the floor jack from under the torque converter housing. 5. Put the sleeves and upper half (8) of the mount assemblies in position on each side of the engine.6. Install bolts (7) through the mount assemblies on each side of the engine, and install the nuts on the bolts.7. Put the fuel lines and the two clips in position on the frame, and install bolt (12) and (13) that hold them in place.8. Put the fuel lines and clips (5) and (11) in position on plate (6), and install the bolts that hold them in place.9. Connect fuel lines (9) and (10) to the fuel tank as shown. 10. Put breather tube (15) in position on the engine, and tighten clamps (14) that hold it in place on the breather assembly.11. Put clip (19) in position, and install bolt (18) and the nut that holds breather tube (15).12. Put clip (17) in position on the fan