AGCO Power 49 - Page 5

3.5.7 Viscose type vibration damper ......................................3-30
3.6 Connecting rods and pistons .......................................3-31
3.6.1 Removing pistons together with connecting rods . . . . . . . . . . . . . . . . . . . . . . . . 3-31
3.6.2 Changing connecting rod bearings ...................................3-31
3.6.2.1 Piston pin bushing ........................................3-31
3.6.2.2 Big-end bearing ..........................................3-32
3.6.3 Checking connecting rod . . . . . . . ...................................3-32
3.6.4 Changing piston rings ............................................3-33
3.6.5 Checking pistons ................................................3-34
3.6.6 Fitting piston pin ................................................3-35
3.6.7 Fitting piston together with connecting rod .............................3-35
3.7 Counterbalance in 4 cylinder engines ...............................3-36
3.7.1 Removing and disassembling counterbalance unit ........................3-36
3.7.2 Reconditioning counterbalance unit ..................................3-36
3.7.3 Fitting counterbalance unit .........................................3-37
3.7.4 Changing crankshaft gear rim .......................................3-37
3.8 Flywheel .........................................................3-38
3.8.1 Changing starter ring gear on flywheel ................................3-38
3.8.2 Fitting flywheel .................................................3-38
3.9 Timing gear assembly .............................................3-39
3.9.1 Removing timing gear casing .......................................3-39
3.9.2 Fitting timing gear casing . .........................................3-40
3.9.3 Fitting the crankshaft hub .........................................3-42
3.9.4 Power take-off .................................................3-44
3.9.5 Fan drive device ................................................3-44
3.10 Lubrication system ...............................................3-45
3.10.1 Oil pressure regulating valve ......................................3-45
3.10.2 Removing and dismantling lubricating oil pump .........................3-45
3.10.3 Assembling and fitting lubricating oil pump ............................3-46
3.10.4 Piston cooling nozzles ...........................................3-46
3.10.5 Fitting oil sump gasket ...........................................3-48
3.10.6 Lubricating oil cooler ............................................3-48
3.10.7 Removing the oil cooler ..........................................3-48
3.10.8 Fitting the oil cooler .............................................3-49
3.10.9 Oil sump capacity ..............................................3-49
3.10.10 Closed crankcase ventilation . . . . . . . . . . . . . . . . . . . . . ................3-50
3.10.10.1 Installing the closed crankcase ventilation system components in 33 -
74 engines ....................................................3-50
3.10.10.2 Installing the closed crankcase ventilation system components in 84
and 98 engines .................................................3-50
3.11 Cooling system ..................................................3-52
3.11.1 Removing the thermostat ........................................3-52
3.11.2 Testing the thermostat ..........................................3-52
3.11.3 Replacing the thermostat .........................................3-52
3.11.4 Reconditioning coolant pump ......................................3-52
3.11.4.1 Coolant pumps with standard bearings . . . . . . ...................3-52
3.11.4.2 Coolant pumps with heavy duty bearings .......................3-55
3.11.4.3 Coolant pumps with Flexonic belt ............................3-55
3.11.5 Installing the cylinder head connection part . . . . . . ......................3-56
3.12 Air intake system ................................................3-57
3.12.1 Checking the air cleaner ..........................................3-57
3.12.2 Checking the inlet and exhaust pipes ................................3-57
3.12.3 Checking the turbocharger ........................................3-58
3.12.4 Fitting the turbocharger ..........................................3-58
3.12.5 Checking the EGR actuator voltages ................................3-59
3.12.5.1 Link rod ...............................................3-60
Table of contents
4th Generation Engines
8370 79492