NOZZLE AS 3154672 - Caterpillar

View From Under Machine33. Remove the cover assembly from under the engine.34. Remove clip (37). Disconnect the wire from the oil temperature sending unit. 35. Place a drain pan under the main hydraulic pump. Hydraulic oil will flow from the hose assemblies and tube assemblies that are connected to the main hydraulic pump when they are disconnected.36. For the installation purpose, put identification marks on all hose assemblies and tube assemblies connected to the main hydraulic pump. Disconnect hose assemblies (38), (39), (40), (42) and (43) from the main hydraulic pump. Put plugs in the ends of the hose assemblies to prevent oil loss and to keep contaminants out of the hydraulic system.37. Remove four bolts (41) that hold the tube assembly to the main hydraulic pump. Separate the tube assembly from the main hydraulic pump. 38. Disconnect two hose assemblies (46) from the main hydraulic pump. Put plugs in the ends of the hose assemblies to prevent oil loss and to keep contaminants out of the hydraulic system.39. Remove 11 bolts (47) and the washers that hold sheet assembly (44) in position. Remove sheet assembly (44) from the machine.40. Remove two bolts (45) and the washers that hold the hose assembly in position. 41. Remove two front engine mounting bolts (48), the washers and nut support assemblies. Remove the two upper rubber mounts at the front of the engine. 42. Remove two rear engine mounting bolts (49), the washers and nut support assemblies. Remove the two upper rubber mounts at the rear of the engine. 43. Fasten Tool (A) and a hoist to the lifting brackets on the engine and main hydraulic pump (50) as shown.
Make sure all hose assemblies and wires have been disconnected prior to engine removal.
44. Slowly and carefully remove engine and main hydraulic pump (50), as a unit, from the machine. The weight of the unit is 887 kg (1955 lb).45. Remove the four lower rubber mounts for the engine. These mounts may stay on the frame of the machine or in the support mounting brackets. 46. Remove four bolts (51), the washers and rear engine support mounting bracket (53) from both sides of the engine.47. Remove four bolts (52), the washers and front engine support mounting bracket (54) from both sides of the engine. The following steps are for the installation of the engine and main hydraulic pump.48. Prior to connecting any of the hydraulic hose assemblies or the tube assemblies, check the condition of the O-ring seals used in the ends of the hose assemblies and tube assemblies. If any of the O-ring seals are damaged, use new parts for replacement. 49. Make sure the mating surfaces of front and rear engine support mounting brackets (53) and (54) and the cylinder block are thoroughly clean.50. Install two front engine support mounting brackets (54) with bolts (52).51. Install two rear engine support mounting brackets (53) with bolts (51).
Visually check the condition of the upper and the lower rubber mounts. If the rubber