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7 - 12

Pistons and Connecting Rods

9.612.0.006.7160 - 05/04

Before performing the measurement of the bearings,
check the mark codes on the cap and on the
connecting rod. These codes indicate the parity
between connecting rod and cap, guaranteeing the
perfect seating of the bearing shells in the assembly.
Loosen the bolts of the connecting rod, disassembling
the connecting rod bearing and cap.

With the bushing assembled, measure the diameter
of the housing of the piston pin.

Assembly the connecting rod cap tightening according
to the specification (without the bearing shells).
Measure the diameter of the connecting rod without
the bearing shells, at 30° of the partition of the
connecting rod, checking out-of-roundness.

Содержание Acteon

Страница 1: ...Workshop Manual...

Страница 2: ...liente Customer Assistance Fax Av das Na es Unidas 22 002 CEP 04795 915 S o Paulo SP Brasil 55 11 3882 3574 9 612 0 006 7160 11 06 Internet e mail Fone DDG www mwm international com br mwm mwm com br...

Страница 3: ...5 04 Presentation Introduction 1 2 How to Use thisWorkshop Manual 1 2 Important Safety Remarks 1 3 General Instructions 1 4 Cleaning General Instructions 1 5 Engine Serial Number Identification and Lo...

Страница 4: ...ced with last generation technology components and with high level quality standards When parts changes are necessary it is recommended to use only MWM genuine spare parts These parts can be identifie...

Страница 5: ...ration and the cooling fluid is hot leave the engine to cold down before slowly open the cover of the reservoir to relief the pressure of the cooling system Do not work with materials that are lifted...

Страница 6: ...he engine electronic injection system General Instructions This engine has been manufactured with the most advanced technology nevertheless it was designed to be repaired using regular techniques comp...

Страница 7: ...oduct Remove all gaskets sealing rings and with a brush of steel or rasper the sludge deposits carbon etc before placing the parts in the cleaning tank Be careful to do not damage the surfaces of the...

Страница 8: ...ftercooler Identification and Location of the Serial Number The engine identification and serial number can be found in the following places 1 Identification plate on the water pipe 2 Engraving on the...

Страница 9: ...s Numeration The numeration of the cylinders starts from the flywheel according to the illustration below During the assembly check the numbers on the block A and on the bearings B which indicates the...

Страница 10: ...NOTES 1 8 9 612 0 006 7160 05 04...

Страница 11: ...Technical Data 2 1 9 612 0 006 7160 05 04 Technical Data Technical Data 2 2 Fuel System 2 2 Lubrication System 2 3 Cooling System 2 3 Thermostat 2 3...

Страница 12: ...nder bore 105 mm Cylinder stroke 137 mm Unit displacement 1 2 l 4 745 litres 7 118 litres Total displacement 4 6 Quantity of cylinders Compression rate Firing order 1 3 4 2 1 5 3 6 2 4 Rotation sense...

Страница 13: ...e without radiator Water temperature Nominal Maximum Cooling System 4 12TCE 6 12TCE 5 l 8 l 9 2 l 4 12TCE 6 12TCE 80 90 C 100 C 13 l 17 l 18 7 l 7 l 9 l Variation pressure of the filter to open by pas...

Страница 14: ...2 4 9 612 0 006 7160 05 04 NOTES...

Страница 15: ...0 05 04 Operation and Maintenance Engine Operation 3 2 Cooling fluid and Coolant 3 5 Level Check 3 5 Cooling Fluid Filling Procedure 3 6 MaintenanceTable 3 7 MWM Acteon Engines Vehicular 3 7 Conservat...

Страница 16: ...vailable it is necessary that the filter has a heater on the cylinder head to allow fuel flow before the start TurbochargerCares Almost all failures in turbochargers are caused by lubrication deficien...

Страница 17: ...ormal operation temperature yet Avoid operating over the limit of 3 4 75 of the maximum load of the vehicle or equipment Avoid operating the engine at constant speeds for long periods of time Avoid le...

Страница 18: ...levelled vehicle the oil level must reach the upper mark of the dipstick Run the engine checking the sealing of the filter and carter plug Stop the engine and after 30 minutes check oil level again f...

Страница 19: ...ngine is cold Check the level of the cooling system daily If the level is not correct add clean water MWM coolant according to the proportion recommended on the bottle Carefully open the first stage o...

Страница 20: ...gtotherecommendedproportion 9 Operate the engine up to the normal operation temperature and leave it running for 15 minutes Remark If the vehicle has hot air conditioning turn the button in hot positi...

Страница 21: ...and temperature water temperature sensors are free of maintenance and checked by recommended diagnose scanner with errors stored in failure memory 15 000 Km 80 000 Km 40 000 Km 20 000 Km 10 000 Km 5 0...

Страница 22: ...he springs and rocker arms Reinstall covers 10 Remove fuel injectors and spray 10 to 15 cm of protective oil in each cylinder with the respective piston at bottom dead centre position Turn crankshaft...

Страница 23: ...ucts Castrol Rustilo 652 SAE 20 Texaco Engine Oil DBH 20 W 20 Ipiranga UltramoTurbo SAE 20 Graxas Other products with similar technical features could be used with a previous approval of MWM Manufactu...

Страница 24: ...NOTES 3 10 9 612 0 006 7160 05 04...

Страница 25: ...Disassembly Notes 4 2 Pre Assembly Inspections and Measurements 4 3 Liner Protrusion Specification 4 3 Liners Specification 4 4 Liners and Pistons Assembly Specifications 4 5 Engine Block Specificatio...

Страница 26: ...liners removal must be made with the special tool MWM nr 9 610 0 690 017 6 in order to do not damage the engine block or the liners The lower part of the tool must be fitted on the lower edge of the...

Страница 27: ...on Specification ProtrusionAdjustmentShims whennecessary Thickness mm 9 612 8 340 004 4 0 05 9 612 8 340 005 4 0 10 9 612 8 340 006 4 0 20 9 612 8 340 007 4 0 50 Liner over Engine Block Surface Measur...

Страница 28: ...4 4 Engine Block 9 612 0 006 7160 05 04 Pre Assembly Inspections and Measurements Liners Specification Liners Measure mm Maximum waste 0 06 Out of roundness 0 02 Inner 105 000 105 022...

Страница 29: ...0 05 04 Liners and Pistons Assembly Specifications 1 Piston 2 Liner 3 Engine Block 4 Gasket LinersAssembly W X Y Z Gasket nr Application 0 23 to 0 59 8 04 to 8 06 0 95 to 1 10 1 35 to 1 69 9 612 0 854...

Страница 30: ...Block Specifications Main Bearings A Diameter mm Inner 92 000 92 022 TappetsHousing B Inner mm standard nominal 18 000 18 018 standard maximum 18 020 1st repair 18 500 18 518 Measure main bearings bol...

Страница 31: ...50 025 maximum 50 045 1st repair withoutbushing 54 000 54 030 withbushing 49 990 50 050 CamshaftBearing D inner mm withoutbushing 54 000 54 030 withbushing 49 990 50 050 Remark Camshaft bearing D has...

Страница 32: ...Clean liner housing and installTombak ring A Measure liner protrusion in relation to the upper surface of the engine block with a dial indicator gauge As a bracket to the dial indicator gauge it can...

Страница 33: ...ing but without the rubber sealing rings Lubricate with engine oil the contact area of the liner with the sealing rings if they are assembled in the engine block To measure liner protrusion with the s...

Страница 34: ...tely clean to avoid torsion or cut during the assembly causing lubricant oil contamination with water Measure the liner protrusion in relation to the upper surface of the engine block with a dial indi...

Страница 35: ...Engine Block 4 11 9 612 0 006 7160 05 04 Install the Tombak ring Assembly Install the sealing rings Install the liners according to the procedure described previously...

Страница 36: ...4 12 Engine Block 9 612 0 006 7160 05 04 Rings correct position with the assembled liner...

Страница 37: ...5 5 Out of roundness andTaper Specification 5 6 Radial Clearance 5 7 Fillets 5 8 Pre Assembly Inspections and Measurements 5 9 Crankshaft 5 9 Engine Block Bearings 5 10 Bearing Shells 5 12 Main Bearin...

Страница 38: ...upright position and loosen the main bearing caps To remove the bearing caps use the fixation bolts Remove the axial thrust ring from bearing 1 flywheel side Carefully remove crankshaft in order to d...

Страница 39: ...Crankshaft 5 3 9 612 0 006 7160 05 04 Gear Diameter mm Seat 60 020 60 059 Crankshaft Specification...

Страница 40: ...rankshaft 9 612 0 006 7160 05 04 Main Journals Specification Main Journal Diameter mm Standard 85 942 85 964 1st repair 85 692 85 714 2ndrepair 85 442 85 464 3rdrepair 85 192 85 214 4threpair 84 942 8...

Страница 41: ...ankshaft 5 5 9 612 0 006 7160 05 04 Crankpins Specification Crankpins Diameter mm Standard 62 951 62 970 1st repair 62 701 62 720 2ndrepair 62 451 62 470 3rdrepair 62 201 62 220 4threpair 61 951 61 97...

Страница 42: ...5 6 Crankshaft 9 612 0 006 7160 05 04 Out of roundness and Taper Specification MaximumOut of roundness mm A x C and B x D 0 01 Maximum Taper mm A x B and C x D 0 01...

Страница 43: ...Crankshaft 5 7 9 612 0 006 7160 05 04 Radial Clearance RadialClearance mm nominal 0 036 0 096 maximum 0 245...

Страница 44: ...5 8 Crankshaft 9 612 0 006 7160 05 04 Fillets Fillet mm Nominal 3 8 4 0...

Страница 45: ...hecked It is necessary to check for overheating signs deep scratches cracks or other types of damage Presenting anyone of these damages it is necessary to check the possibility of machining and to use...

Страница 46: ...e that the numeration engraved on the engine block corresponds to the bearing cap Install bearing caps and tighten according to the specification Measure bearings diameter out of roundness and taper w...

Страница 47: ...ing shells Main Bearings Specifications Engine Block Diameter mm Withoutbearingshell 92 000 92 022 Bearingshell Diameter mm Standard 86 000 86 038 1st repair 85 750 85 788 2ndrepair 85 500 85 538 3rdr...

Страница 48: ...cted by the reduction of the lubricant oil pressure Theprolongedoperationwithlowoilpressurecancause beats and vibrations in crankshaft and consequently early deterioration of the bearing shells To per...

Страница 49: ...on the crankshaft through the bore gauge Position the bearing shells with the aid of the expansion pin Measure the crankshaft The measurements must be taken twice at 90 and in the two edges of the be...

Страница 50: ...aring pre tension Pre tension 0 025 0 060 mm Assembly bearing caps and tighten according specification Perform the measurements in the same way that they were performed for the bearings without bearin...

Страница 51: ...and measure warping Check crankshaft thrust rings Check for damages existence or excessive waste In the assembly the side with two grooves must be toward the shaft When necessary it can be used over...

Страница 52: ...5 16 Crankshaft 9 612 0 006 7160 05 04 Bolts Tighten Torque Specification Torque Angle Step 1st 45 Nm 5 2nd 90 5 Lmax 133 50 mm 10 1 5 Nm Main Bearing Caps Piston Oil Injector...

Страница 53: ...Crankshaft 5 17 9 612 0 006 7160 05 04 Install crankshaft Install and oil all bearing shells Assembly Install piston cooling oil injectors Apply torque of 10 1 5 Nm...

Страница 54: ...18 Crankshaft 9 612 0 006 7160 05 04 Install first bearing lower thrust ring Assembly bearing caps with the upper thrust ring Attention Thrust rings grooves must stay towards the crankshaft mobile sid...

Страница 55: ...Crankshaft 5 19 9 612 0 006 7160 05 04 Tighten bolts in two steps and tighten according the specification The torque must be applied from the center to the extremities...

Страница 56: ...5 20 Crankshaft 9 612 0 006 7160 05 04 Measurements After Assembly Axial Clearance Specification Axialclearance A mm Nominal 0 08 0 25 Maximum 0 4 Measure the crankshaft axial clearance A...

Страница 57: ...612 0 006 7160 05 04 Camshaft Disassembly Notes 6 2 Camshaft Specifications 6 3 Tappets and Lock Plate Specification 6 4 Pre Assembly Inspections and Measurements 6 5 BoltsTightening Specifications 6...

Страница 58: ...aft lock Turn the engine keeping the carter side upwards Remove camshaft with the hands and through the front of the engine making a movement of rotation Take care to do not damage the bearings of the...

Страница 59: ...ft Specifications Gearseat Diameter A mm Nominal 51 971 51 990 AxialClearanceLimitationGroove Width B mm Nominal 7 100 7 190 Maximum 7 275 Main journals Diameter C mm Standard 49 920 49 940 BearingCle...

Страница 60: ...shaft 9 612 0 006 7160 05 04 Tappets and Lock Plate Specification Lock Plate Thickness Nominal Tappets Diameter mm Standard Nominal 17 983 17 994 Minimum 17 975 1st repair Nominal 18 483 18 494 mm 7 0...

Страница 61: ...ste on the contact area with the cams of the camshaft Attention During its operation the tappets perform a rotating movement responsible for a uniform distribution of the force uniforming the waste It...

Страница 62: ...6 6 Camshaft 9 612 0 006 7160 05 04 Measure the tappets diameter Measure the diameter and out of roundness of the tappets housing Measure the camshaft bearing diameters...

Страница 63: ...006 7160 05 04 Comparing the performed measurements obtain the clearance between the bearing and the housing Measure the camshaft bearing housing bores Measure the camshaft warping 6 cyl Maximum warpi...

Страница 64: ...6 8 Camshaft 9 612 0 006 7160 05 04 Bolts Tightening Specification 35 5 Nm 20 3 Nm 8 5 1 0 Nm...

Страница 65: ...bricate the tappets and the tappets housing Install them with the hands If it is not necessary to change the tappets check the original position in that they were installed and reinstall them in the s...

Страница 66: ...0 05 04 Install it with the hands making rotating movements Take care to do not damage the bushings in the engine block After camshaft installation install the axial lock and tighten fixation bolts ac...

Страница 67: ...Measure the camshaft axial clearance Repeat the operation sometimes to make sure of the measurement View of the assembled camshaft and lock Assembly the pulse wheel Attention to the expansion bushing...

Страница 68: ...12 0 006 7160 05 04 Install camshaft gear Pay attention to the difference between the pulse wheels of the 4 and 6 cylinders engines Assembly pulse wheel fixation bolts and tighten according the specif...

Страница 69: ...embly Inspections and Measurements 7 4 Piston Grooves Specifications 7 6 Ring Ends Gaps Specification 7 7 Connecting Rod Bearings Specification 7 7 Connecting Rods Specification 7 9 Piston and Pin 7 1...

Страница 70: ...loosen the screw of one side and later loosen other Before removing the piston clean the inner part of the liner to remove residues of coal and impurities With the connecting rod caps out carefully r...

Страница 71: ...Connecting Rods 7 3 9 612 0 006 7160 05 04 Remove piston rings with an appropriate device Aten o No ato da retirada do conjunto pist o biela observar a posi o do ejetor de leo para evitar batidas e a...

Страница 72: ...Weight Strip Application X 1625g 1666g Production Y 1667g 1707g Production Z 1708g 1748g Spare Part The difference of weight between all pistons connecting rods sets in the same engine must be of at...

Страница 73: ...re part it is only available connecting rods of the Y strip mass that is used to replace connecting rods of any other strips Important Do not assembly connecting rods of X and Z mass strip in the same...

Страница 74: ...ecifications Remark The rings of the 10 Series engines are identified by a red strip on the outer diameter Rings Dimensions and Clearances in the Grooves Groove Dimensions mm Clearance mm 1st 103 0 x...

Страница 75: ...Rod Bearing bore Diameter mm standard 62 992 to 63 037 repair1 62 746 to 62 791 repair2 62 496 to 62 541 repair3 62 246 to 62 291 repair4 61 996 to 62 041 Ends Gap mm 1st and 2nd groove Nominal 0 40...

Страница 76: ...7 8 Pistons and Connecting Rods 9 612 0 006 7160 05 04 Connecting Rod Warping Maximum Torsion Maximum Warping 0 10 0 03...

Страница 77: ...Pistons and Connecting Rods 7 9 9 612 0 006 7160 05 04 RadialClearance mm Nominal 0 022 0 087 Maximum 0 178 Connecting Rods Specifications SideClearance mm Nominal 0 30 0 50 Maximum 0 90...

Страница 78: ...ton Pin Diameter mm Nominal 37 994 to 38 000 Maximum 37 900 B ConnectingRodBushing assembled Diameter mm Nominal 38 030 to 38 080 Maximum 38 140 C ConnectingRodBushing housing Diameter mm Nominal 41 0...

Страница 79: ...g rods Check piston pin for marks scratches or excessive waste Measure the diameter of the pin Check pins taper and out of roundness Check connecting rod possible damages marks or waste Damages on the...

Страница 80: ...ating of the bearing shells in the assembly Loosen the bolts of the connecting rod disassembling the connecting rod bearing and cap With the bushing assembled measure the diameter of the housing of th...

Страница 81: ...ting Rods 7 13 9 612 0 006 7160 05 04 Turn the bore gauge 90 and perform the second measurement of the diameter Check connecting rod torsion Maximum Torsion 0 10 mm Check connecting rod warping Maximu...

Страница 82: ...embly the bearing shells with the aid of the expansion pin assembly again the connecting rod cap and tighten according to Compare the clearances obtained from the crankpins with the bore gauge Measure...

Страница 83: ...Rods 7 15 9 612 0 006 7160 05 04 With the bore gauge at 90 from the partition of the connecting rod reset the dial indicator gauge remove one of the connecting rod bolts and measure its pre tension Pr...

Страница 84: ...7 16 Pistons and Connecting Rods 9 612 0 006 7160 05 04 Connecting Rod Bolts Tightening Specification Torque Angle Etep 1st 30 5 Nm 2nd 60 3 Lmax 59 20 mm...

Страница 85: ...rings Lubricate piston pin assembly the piston in the connecting rod observing the correct positioning between them The arrow on the top of the piston must be toward the side of the 3 holes of the co...

Страница 86: ...he piston grooves Lubricate the liners and piston rings When installing the piston connecting rod set in the cylinder mind the correct assembly position The arrow on to top of the piston must point to...

Страница 87: ...nside the cylinder Never hit directly on the top of the piston Install the device for piston assembly to close the rings Note Position the engine flywheel upward This avoids the contact of the connect...

Страница 88: ...ent Measure the side clearance With the piston on TDC measure the surface height in relation with the engine block surface Check the positions of the piston arrows Position the connecting rod stem in...

Страница 89: ...Specification 8 4 Valve Guides Specification 8 5 Specification of Guide Height and Distance to Cylinder Head Surface 8 6 Valves Course 8 7 Rocker Arm Cold Clearance 8 8 Valves Diagram 8 10 Pre Assembl...

Страница 90: ...l and valves To remove valve guides and seats send them to a specialized authorized workshop Loosen cylinder head fixation bolts in 3 steps and crosswise With the aid of the fixation bolts remove cyli...

Страница 91: ...ts Specification B Outer mm Standard Intake 46 152 46 168 Exhaust 43 097 43 113 A Housing mm Standard Intake 46 046 46 086 Exhaust 42 976 43 016 C SeatWidth mm Standard Intake 1 90 2 00 Exhaust 2 17 2...

Страница 92: ...s 9 612 0 006 7160 05 04 Valves Specification A Stem mm Nominal 8 952 8 970 Minimum 8 949 B Headheight mm Intake 2 7 Exhaust 2 1 C Surfacewidth mm Intake 3 60 Exhaust 3 11 D Head mm Intake 44 9 45 1 E...

Страница 93: ...05 04 Valve Guides Specification A Afterassembly mm Nominal 9 000 9 022 Repair 9 013 9 028 Maximum 9 060 B Outer mm Nominal 15 028 15 039 C Housing mm Nominal 14 991 15 021 D Clearance at the Stem mm...

Страница 94: ...Height and Distance to Cylinder Head Surface Guide Height A mm Intake and Exhaust 11 3 12 6 Distancetocylinder headsurface B Nominal Intake 0 8 1 1 Exhaust 1 30 1 60 Maximum Intake 1 35 Exhaust 1 85 G...

Страница 95: ...Cylinder heads 8 7 9 612 0 006 7160 05 04 Valves Course and Clearance A Course mm Intake 11 10 11 34 Exhaust 11 22 11 46 B Clearance mm Intake Exhaust 0 40...

Страница 96: ...8 8 Cylinder heads 9 612 0 006 7160 05 04 Rocker arm Cold Clearance Diameters mm Rocker arm A 16 000 16 018 Shaft B 15 966 15 984 Clearance mm Radial C 0 016 0 052 Axial D 0 050 0 260 B A C D...

Страница 97: ...he following table The intake valves springs are single only one spring and exhaust valves springs are double Intake valve spring and outer exhaust valve spring wire 3 50 mm Load Kgf Length mm 0 0 71...

Страница 98: ...eads 9 612 0 006 7160 05 04 Valves Diagram Valves clearance 1 mm After the check readjust the clearance to 0 40 mm Intake Open 3 after TDC Close 23 after PMI Exhaust Open 33 before PMI Close 1 after T...

Страница 99: ...easurements Visually check cylinder heads for leaks Check push rods The push rods ends must not be loosen or cracked Check for excessive waste and if the lubrication hole is not obstructed Check if th...

Страница 100: ...7160 05 04 Measure the outer diameter of the valve stem in 3 different points Upper part Central part Lower part Measure the outer diameter of the valve guide Attention Do not measure the diameter on...

Страница 101: ...er heads 8 13 9 612 0 006 7160 05 04 Measure valve guide housing bore After the measurements install valve guides with the special tool MWM nr 9 610 0 690 014 6 Measure the bore of the assembled valve...

Страница 102: ...8 14 Cylinder heads 9 612 0 006 7160 05 04 Measure the width of the valves seat Measure the width of the valve contact surface Measure the valve guide height in relation to the cylinder head...

Страница 103: ...arm ends do not present excessive waste or cracks in the shaft housing or on the contact area with the valve stem After removing the rocker arms check for grip signs Measure the rocker arm shaft ovali...

Страница 104: ...8 16 Cylinder heads 9 612 0 006 7160 05 04 Measure the shaft housing bore Check rocker arms ends axial clearance in the shafts e deforma es como conicidade e ovaliza o...

Страница 105: ...Cylinder heads 8 17 9 612 0 006 7160 05 04 Bolts Tighten Torques Specifications 56 8 Nm 20 6 Nm 15 5 Nm 15 5 Nm 110 15 Nm Torque Angle Step 1st 60 10 Nm 2nd 60 3 3rd 60 3 Lmax 148 50 mm...

Страница 106: ...eat of the valves on the respective seats new seats are provided semi finished Make sure if the seat obtained between the valve and seat is uniform Install springs plates Remark Before beginning the a...

Страница 107: ...ompress the springs and assembly the valves locks Install a dial indicator gauge in the special measurement device MWM nr 9 407 0 690 031 6 and reset on the flat surface of the cylinder head Measure t...

Страница 108: ...07 0 690 030 4 in the place of two diametrically opposite bolts Install cylinder head gasket with the TOP mark upward The cylinder head gasket must be perfectly clean and must never be assembled with...

Страница 109: ...and its main characteristic is its double assembly that is to say for two cylinder heads Attention Use only MWM genuine gaskets The thickness of the cylinder head gasket for replacement is only of 1...

Страница 110: ...cylinder heads with the help of the intake manifold Assembly intake manifold with gaskets and tighten manifold fixation bolts according to the specification With the cylinder heads aligned by the int...

Страница 111: ...5 04 Install pushrods checking their correct seat on the tappets Install rocker arms set assembled tightening according to the specification Attention Totally unscrew the valve clearance adjustment sc...

Страница 112: ...eads and valves covers for leaks 4 Cylinders 6 Cylinders 4 2 1 3 6 2 4 1 5 3 To swing 1 3 4 2 1 5 3 6 2 4 To adjust Adjust valves clearances Position the last cylinder in swinging and adjust the valve...

Страница 113: ...1 9 612 0 006 7160 05 04 Gearing Carcass Disassembly Notes 9 2 Inspections and Measurements 9 3 Specifications 9 3 Gears Backlashes and Clearances Specification 9 6 BoltsTightenTorques Specification...

Страница 114: ...until that the lever touches the pulley This way the crankshaft will stay locked making possible the loosening of the crankshaft pulley bolts Loosen the bolts of the crankshaft pulley Remove the pulle...

Страница 115: ...Check for waste signs or cracks on the base of the teeth Presenting such as those defects the gears must be replaced Measure the components of the gearing carcass according to the following illustrat...

Страница 116: ...nkshaftfrontgear hole mm 60 000 60 025 quantity of teeth 36 Idle gear furo mm Withoutbushing 50 000 50 015 With bushing 45 024 45 070 No s de dentes 6 Thrust ring E mm MWM nr 3 46 3 48 9 610 0 433 004...

Страница 117: ...9 612 0 006 7160 05 04 Camshaftgear hole mm 52 00 52 03 quantity of teeth 72 Specifications High pressure pump gear hole mm 20 000 20 033 quantity of teeth 27 Air compressor gear hole mm 30 00 30 033...

Страница 118: ...shaft gear A Idle gear B High pressure fuel pump gear C Camshaft gear D Water pump gear E Air compressor gear F Oil pump gear G Balancer unit driving gear H Balancer unit gears I J For 4 12 engines Ge...

Страница 119: ...Gearing Carcass 9 7 9 612 0 006 7160 05 04 Bolts Tightening Torques Specification 5 5 Nm 20 3 Nm 60 5 Nm 5 5 Nm 20 3 Nm 20 3 Nm Tightening sequence 8 5 1 Nm...

Страница 120: ...9 8 Gearing Carcass 9 612 0 006 7160 05 04 Bolts Tightening Torques Specification Coincide hole for cotter pin 45 5 Nm 105 5 Nm 200 50 Nm 40 6 Nm...

Страница 121: ...Gearing Carcass 9 9 9 612 0 006 7160 05 04 Bolts Tightening Torques Specification 60 5 Nm 60 5 Nm 1st 100 10 Nm 2nd 275 15 Nm Lmax 66 00 mm 8 5 1 Nm...

Страница 122: ...9 10 Gearing Carcass 9 612 0 006 7160 05 04 Bolts Tightening Torques Specification 40 6 Nm 30 5 Nm 20 3 Nm 30 5 Nm 30 5 Nm...

Страница 123: ...mbly Install the idle bearing without the disk and the thrust ring for a perfect centralization of the intermediary piece Install the intermediary piece tightening the fixation bolts crosswise accordi...

Страница 124: ...ication Take care to do not damage the sealing ring Install lubricant oil pump tightening according to the specification Take care to do not damage the sealing ring Attention The centralization of the...

Страница 125: ...s 9 13 9 612 0 006 7160 05 04 Install lubrication pipes tightening according to the specification Assembly camshaft gear and tighten the bolts according to the specification Detail of the gears timing...

Страница 126: ...bolts of the idle bearing and install the thrust ring of the idle gear The two grooves must stay towards the side of the shaft There are 3 different thickness of thrust ring in order to guarantee the...

Страница 127: ...Gearing Carcass 9 15 9 612 0 006 7160 05 04 Tighten all fixation bolts of the gears with the specified torques View of the assembled gears set Install high pressure pump...

Страница 128: ...gasket Centre the front cover with the special tool MWM nr 9 610 0 690 019 6 Place the bolts without tightening to allow the movement of the cover Attntion During the engine operation there must not...

Страница 129: ...9 612 0 006 7160 05 04 Install the crankshaft seal with the special tool MWM nr 9 610 0 690 019 6 Assembly the temperature and oil pressure sensor Apply the specified torque Tighten the fixation bolt...

Страница 130: ...6 7160 05 04 Check the housing of the camshaft phase sensor Clean it if necessary Assembly the front pulley with the damper Tighten the bolts crosswise with the specified torque Lock the engine with t...

Страница 131: ...embly the adapter then the sensor of phase and apply the specified torque Before assembling the air compressor put on a layer of Vaseline on the o ring area in order to facilitate the assembly Assembl...

Страница 132: ...NOTES 9 20 9 612 0 006 7160 05 04...

Страница 133: ...lywheel Housing 10 1 9 612 0 006 7160 05 04 Flywheel and Flywheel Housing Disassembly Notes 10 2 Pre Assembly Inspections 10 3 BoltsTighteningTorques Specification 10 4 Assembly 10 5 Inspections After...

Страница 134: ...he engine crankshaft with the special tool MWM nr 9 610 0 690 026 4 The engine could also be locked with a lever positioned on the nut of the water pump gear until that it touches the pulley This way...

Страница 135: ...lly check flywheel and gear ring Failures in the starter motor gearing can be caused by broken gear ring or damaged teeth Check if the sensor holes are clean and in good conditions Pre Assembly Inspec...

Страница 136: ...612 0 006 7160 05 04 Bolts Tightening Torques Specification Pre torque 100 10 Nm Lmax 36 00 mm Final 275 15 Nm 100 15 Nm 100 15 Nm 100 15 Nm Tighten sequence 100 15 Nm 8 2 Nm 250 20 Nm For the applic...

Страница 137: ...embly paying attention to the assembly position of the chamfer indicated by an arrow Well clean the carcass and the engine block Apply a layer of Loctite 515 on the contact surface between the engine...

Страница 138: ...en the crankshaft fixation bolts according to the specification Inspections After Assembly After the flywheel installation measure the concentricity of the fitting of the shaft pilot in relation to th...

Страница 139: ...he flywheel Maximum side oscillation 0 30 mm Check the parallelism of the flywheel in relation to the housing Maximum parallelism 0 20 mm Dynamic Balancing Holes 10 x 12 mm maximum in a ray of 197 mm...

Страница 140: ...NOTES 10 8 9 612 0 006 7160 05 04...

Страница 141: ...Balancer Unit 11 1 9 612 0 006 7160 05 04 Balancer Unit Remark 11 2 Disassembly Notes 11 2 Assembly 11 3 BoltsTighteningTorques Specification 11 4 Measurements After Assembly 11 5...

Страница 142: ...r unit Loosen the balancer bolts and carefully remove it to do not loosen the bearing Keep the guide pins on their positions Remark The balancer unit is an exclusive item of the 4 cylinders engines es...

Страница 143: ...arings with the specified torque leaving the other bearing free for the balancer adjustment Assembly Loosen the bolts of the bearing caps correspondent to the balancer unit and with a rubber hammer mo...

Страница 144: ...4 Balancer Unit 9 612 0 006 7160 05 04 Observe the marks 00 and 0 on the balancer gear and on the crankshaft gear ring to guarantee the timing of the system Bolts Tightening Torques Specification 60 5...

Страница 145: ...0 20 mm Lean the bearing to eliminate the clearance and slightly move the bearing that is free There are three thicknesses of thrust ring 9 226 0 433 001 4 3 45 to 3 50 mm 3 5 6 208 0 433 003 4 3 55 t...

Страница 146: ...ar ring Determine the necessary amount of shims between the balancer and the bearing caps so that that clearance is between 0 05 and 0 18 mm The shims are available with 0 1 mm of thickness Use the sa...

Страница 147: ...Balancer Unit 11 7 9 612 0 006 7160 05 04 Reinstall balancer deflector oil suction pipe and carter tightening the bolts according to the specification...

Страница 148: ...NOTES 11 8 9 612 0 006 7160 05 04...

Страница 149: ...cuit 12 2 Disassembly Notes 12 3 Inspections and Measurements 12 3 TighteningTorques Specification for Components of the Lubrication System 12 5 TighteningTorques Specification for Oil Cooler Connecti...

Страница 150: ...12 2 Lubrication System 9 612 0 006 7160 05 04 Lubrication System Lubrication Circuit...

Страница 151: ...he Torx bolts avoiding the mixture of lubricant oil in the cooling system The bolts Torx types require a special driver for their removal and if necessary only can be removed when the oil cooler is re...

Страница 152: ...t of the carcass and the rotor for damages or excessive waste Check the clearance between oil pump rotors Clearance between rotors 0 05 0 10 mm Check the radial clearance between the outer rotor and t...

Страница 153: ...ing Torques Specification for Components of the Lubrication System 25 4 Nm 25 5 Nm 65 10 Nm 16 14 8 6 2 4 12 18 10 15 13 7 5 1 3 11 17 9 Tighten sequence Tightening Torques Specification for Oil Coole...

Страница 154: ...12 6 Lubrication System 9 612 0 006 7160 05 04 Tightening Torques Specification for Lubrication Connections of the Compressor 20 6 Nm 20 6 Nm 20 6 Nm 20 6 Nm 10 2 Nm...

Страница 155: ...he oil suction pipe in order to do not let the sealing ring to fall inside the suction gallery Install a new carter gasket The gasket must be assembled without glues or adhesives Assembly the carter t...

Страница 156: ...12 8 Lubrication System 9 612 0 006 7160 05 04 Clean the sealing surfaces and carefully assembly reinstalling the oil cooler Tighten the sextavado bolts crosswise applying the specified torque...

Страница 157: ...oling System 13 1 9 612 0 006 7160 05 04 Cooling System Cooling Circuit 13 2 Disassembly Notes 13 3 Inspections 13 3 ThermostatTest Procedure 13 4 BoltsTighteningTorques Specification 13 5 Assembly 13...

Страница 158: ...13 2 Cooling System 9 612 0 006 7160 05 04 Cooling Circuit...

Страница 159: ...ter pump carcass and rotor Attention Never perform a service in any component of the cooling system while the engine is running Avoid touching the components of the cooling system soon after the opera...

Страница 160: ...f the temperatures at the beginning and final of the thermostat opening course beginning and end of the dial indicator gauge movement and the final total course of the dial indicator gauge fully open...

Страница 161: ...Cooling System 13 5 9 612 0 006 7160 05 04 Bolts Tightening Torques Specification 20 3 Nm 8 5 1 Nm 20 5 Nm 40 6 Nm 20 3 Nm 20 3 Nm 20 3 Nm 25 4 Nm 20 6 Nm 8 5 1 Nm...

Страница 162: ...ghten all bolts with the specified torque Assembly Assembly the thermostat in the carcass with a new sealing ring Cautions Never operate the engine without the thermostat because the engine will not r...

Страница 163: ...7160 05 04 Assembly the thermostat set and tighten the bolts according to the specification Assembly the sensor of temperature Apply the specified torque Assembly all hoses and components of the syst...

Страница 164: ...cooling system it is necessary that all the water passages inside the engine are properly filled up The aeration of the cooling system can cause high temperature spots on the cylinder heads and engine...

Страница 165: ...3 Common Rail Harness 4 12 14 4 CP 3 3 Pump Rear Part View 14 5 High Pressure Pump Removal 14 7 BoltsTighteningTorques Specification 14 8 Electronic Control Module ECM Disassembly Assembly 14 14 Inspe...

Страница 166: ...ies if disassembled The ECM under no circumstances can be disassembled for any kind of service Only the Bosch authorized service station can check or repair any problem in this component after analyze...

Страница 167: ...Fuel Injection System 14 3 9 612 0 006 7160 05 04 Common Rail Modulated Pressure Fuel Injection System...

Страница 168: ...14 4 Fuel Injection System 9 612 0 006 7160 05 04 Common Rail Harness 4 12...

Страница 169: ...p C Fuel return to the tank D Fuel outlet to filter E ECM cooler fuel inlet F Fuel outlet to the Rail G Fuel lift pump BCP 3 3 Identification Plate The identification plate of the high pressure fuel p...

Страница 170: ...soltura da tubula o de alta press o recomenda se fixar a conex o de alta press o do injetor com uma chave de boca e s ent o aplicar o torque de desaperto Essa medida se faz necess rio para evitar risc...

Страница 171: ...er removing the locks remove fuel injectors using the tool MWM nr 9 612 0 690 001 4 and put them away The solenoid must be protected against impacts Aten o A retirada da conex o de alta press o do inj...

Страница 172: ...ning and removing the pipes loosen high pressure pump fixation bolts on the intermediary piece Loosen and remove the fixation nut of the high pressure pump gear by the side of the gearing cover Remove...

Страница 173: ...l Injection System 14 9 9 612 0 006 7160 05 04 30 3 Nm 20 6 Nm 20 3 Nm 25 2 Nm 25 2 Nm 30 3 Nm 30 3 Nm 30 3 Nm 25 4 Nm 40 6 Nm 25 2 Nm Tightening Torques Specification 6 12 Fuel Piping 10 1 5 Nm 20 6...

Страница 174: ...lts Tightening Torques Specification 1 2 3 4 5 1 Fuel return 2 Fuel filter CP 3 3 Pump 3 Cooler CP 3 3 Pump 4 CP 3 3 Pump Fuel Filter 5 CP 3 3 Pump Rail 25 2 Nm 25 2 Nm 25 2 Nm 25 2 Nm 1st 14 1 Nm 2nd...

Страница 175: ...Fuel Injection System 14 11 9 612 0 006 7160 05 04 Tightening Torques Specification ECM Tightening Sequence...

Страница 176: ...14 12 Fuel Injection System 9 612 0 006 7160 05 04 Tightening Torques Specification 4 12 Fuel Piping 25 2 Nm 10 1 5 Nm 30 3 Nm 25 4 Nm 40 6 Nm 30 3 Nm 25 2 Nm 25 2 Nm 30 3 Nm 30 3 Nm 30 3 Nm 40 6 Nm...

Страница 177: ...Fuel Injection System 14 13 9 612 0 006 7160 05 04 Tightening Torques Specification Harness Brackets 10 1 5 Nm 10 1 5 Nm 10 1 5 Nm 10 1 5 Nm 10 1 5 Nm 10 1 5 Nm 10 1 5 Nm 10 1 5 Nm 10 1 5 Nm 10 1 5 Nm...

Страница 178: ...housing of the pump can difficult its removal As it is a component that requires extreme care keep it in a reserved place and far from accidents Attention The high pressure pump must never be disassem...

Страница 179: ...ring Clean the residues from the cooler Attention The ECM is a Black Box and must never be disassembled for any reason Antes de fazer a substitui o do componente constatado atrav s da an lise do diagn...

Страница 180: ...check the condition of the nipples If necessary change them Apply the specified torque The cooler has a drain plug If the change is necessary first apply liquid gasket and then apply the specified tor...

Страница 181: ...Fuel Injection System 14 17 9 612 0 006 7160 05 04 Visually check the ECM pins set Check for dirt and clean if necessary...

Страница 182: ...2 0 006 7160 05 04 Assembly Assembly the cooler bracket Apply the specified torque After assembling the bracket assembly cushions on the bracket and apply the specified torque Assembly the cooler with...

Страница 183: ...Apply the specified torque Assembly the ECM Attention to the centralization of the fixation bolts in the cooler After positioning the ECM tighten the bolts and apply the specified torque Assembly the...

Страница 184: ...yer on the contact area of the o ring with the housing on the intermediary piece Install high pressure pump Perform tightening with care in order to the o ring to do not bite the lateral of the pump P...

Страница 185: ...he piping assembly avoiding contaminations Attention The cone of the high pressure pump shaft and the gear must be clean and free of oil and grease before the fixation The materials for cleaning can b...

Страница 186: ...ection System Assembly First position new o ring on the injector and put on a Vaseline layer on the ring area Install sealing washers Install injector in cylinder head Assembly the fixation locks of t...

Страница 187: ...sembly keep the nut caps inlet and return pipe protected After positioning the injectors assembly the return pipe The assembly must be performed carefully in the connector tightening sense to avoid lo...

Страница 188: ...e previous procedure If the fuel filter is assembled use also an articulated tool to tighten and remove the screw Assembly the fuel filter head Apply the specified torque After assembling the Rail beg...

Страница 189: ...cket Assembly the high pressure pipe on the Rail Apply the specified torque The high pressure piping must be assembled free of tension avoiding damages and deformations in the piping and nut caps Afte...

Страница 190: ...connection on the bracket Assembly the cooler fuel outlet pipe to the high pressure pump Assembly the cooler pipe nut cap of the high pressure pump and apply the specified torque The assembly of the...

Страница 191: ...el outlet pipe Keep the same procedure used in the fuel inlet pipe assembly Assembly fuel inlet and outlet pipes of the filter head First visually check the condition of the nipples If necessary chang...

Страница 192: ...006 7160 05 04 Assembly the fast connector of the return pipe on the pressure limiter valve Fit the return pipe on the injector Apply the specified tightening torques on the nut caps of the fuel lift...

Страница 193: ...tem 14 29 9 612 0 006 7160 05 04 General view of the fuel injection system assembled Assembly the high pressure pipe of the pump to the Rail Apply the specified torque General view of the high pressur...

Страница 194: ...om aux lio de uma bomba manual bombear at haver uma pequena restri o ao movimento e logo ap s dar partida no motor Caso o motor n o parta escorvar novamente o sistema com ajuda da bomba manual e tenta...

Страница 195: ...5 04 Intake Exhaust and Turbocharger System Disassembly Notes 15 2 Inspections 15 2 Intake Manifold and ElbowTighteningTorques Specification 15 3 Exhaust ManifoldTighteningTorques Specification 15 4 T...

Страница 196: ...he engine in operation inside rooms without appropriate ventilation because exhaust gases are extremely toxic Inspections Check the general condition of the turbo blades The contamination of the intak...

Страница 197: ...Intake Exhaust andTurbocharger System 15 3 9 612 0 006 7160 05 04 Intake Manifold and Elbow Tightening Torques Specification 25 4 Nm 56 8 Nm 25 4 Nm 56 8 Nm 25 4 Nm 3 0 5 Nm 3 0 5 Nm 25 4 Nm...

Страница 198: ...10 Nm 6 2 Nm 20 3 Nm 20 6 Nm 20 6 Nm Exhaust Manifold Tightening Torques Specification Turbocharger Tightening Torques Specification Retighten after the 1st operation of the engine Retighten after the...

Страница 199: ...s so that the drying occurs with the manifold already assembled Assembly exhaust manifold with all new gaskets Tighten the bolts according to the specification from the centre to the edges After assem...

Страница 200: ...aust andTurbocharger System 9 612 0 006 7160 05 04 Assembly turbocharger lubrication piping Assembly exhaust elbow Tighten nuts according to the specification Retighten the nuts after the 1st operatio...

Страница 201: ...urbocharger System 15 7 9 612 0 006 7160 05 04 Tighten the bolts according to the specification Assembly return pipe spacer Apply the specified torque Assembly intake elbow on intake manifold Apply th...

Страница 202: ...15 8 Intake Exhaust andTurbocharger System 9 612 0 006 7160 05 04 Assembly air temperature sensor Apply the specified torque...

Страница 203: ...Failure Diagnosis 16 1 9 612 0 006 7160 05 04 Failures Diagnosis Introduction 16 2 SymptomTable 16 3 Symptoms 16 3 Probable CausesTable 16 5 Probable Causes 16 5...

Страница 204: ...resented some typical problems which the engine may present their probable causes and possible corrections for these problems Attention Study in full detail the problem before trying any action First...

Страница 205: ...44 53 Excessive fuel consumption 09 14 15 17 18 21 22 23 25 26 27 29 57 60 Black smoke 09 14 15 17 18 21 22 23 25 26 27 29 53 54 57 60 White bluish smoke 04 14 15 17 19 21 22 23 25 26 27 28 29 39 40 4...

Страница 206: ...igh lubricant oil consumption 04 12 13 15 25 27 28 39 49 54 55 58 59 60 66 Water mixed to lubricating oil 10 19 50 Water mixed to lubricating oil 50 Irregular idle speed 07 08 09 10 16 17 29 59 Engine...

Страница 207: ...Clean fuel filters or change elements 09 Restriction in the air intake system Free the intake system or clean air filter element dry type 10 Air in fuel system Bleed the system 11 Leakages through se...

Страница 208: ...nge 28 Valves stems and guides worn Change 29 Failure in electronic fuel injection system Perform Diagnosis on the system according to the Diagnosis Manual of the engine 30 Damaged or worn bearings Ch...

Страница 209: ...7 Radiator blocked outside or inside Clean 48 Defective water pump Change 49 Carter breathe blocked Clean 50 Oil cooler leakage Correct 51 Lack of water in the cooling system Complete level 52 Oil pum...

Страница 210: ...er unit out of position Correct 4 cylinders engines 62 Defective damper Change 63 Liner protrusion below specification Correct leakage through liner collar 64 Thermostat bad seating Change 65 Lack or...

Страница 211: ...04 GUIDE PIN FOR EXHAUST AND INTAKE MANIFOLD 9 407 0 690 027 4 9 407 0 690 030 4 GUIDE PIN FOR CYLINDER HEAD AND BEARINGS DEVICE TO MEASURE PISTON POSITION AND HEIGHT TO LINER 9 610 0 690 025 4 DEVICE...

Страница 212: ...7160 05 04 ADAPTORS FOR ENGINE STAND 9 610 0 690 011 6 DEVICE TO DISASSEMBLY AND ASSEMBLY VALVE SPRINGS 9 407 0 690 044 6 CONNECTOR FOR CYLINDER COMPRESSION TEST 9 612 0 690 003 4 9 610 0 690 014 6 DE...

Страница 213: ...612 0 006 7160 05 04 9 610 0 690 019 6 DEVICE TO ASSEMBLY VALVE SEAL DEVICE TO DISASSEMBLY CYLINDER LINER 9 610 0 690 017 6 9 610 0 690 015 4 DEVICE TO ASSEMBLY FRONT SEAL 9 610 0 690 020 6 DEVICE TO...

Страница 214: ...05 04 9 612 0 690 002 4 HEXAGONAL ARTICULATED DEVICE FOR EXHAUST MANIFOLD DEVICE TO LOCK ENGINE FLYWHEEL DEVICE TO ASSEMBLY CYLINDER LINERS 9 610 0 690 026 4 9 610 0 690 024 6 DISPOSITIVO PARA APERTAR...

Страница 215: ...ASC Comunica o T cnica www asccomunicacao com br Produzido por...

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