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Contents

3

Preface

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Instructions

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Engine type classification

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Safety regulations

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Fault table

11 

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General notes on engine overhaul

14 

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Illustrations of E 2842 LE 302 / E 2842 LE 312 engine

15 

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Engine lubrication schedule

16 

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Cooling system schedule

18 

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Engine management schedule

20 

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Ignition system

Replacing the spark plugs

21 

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Ignition control unit

22 

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Checking and setting the ignition point

23 

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Cooling system

Draining and filling coolant

25 

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Lubrication

Changing the oil filter

27 

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Removing and installing the oil cooler

28 

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Removing and installing the oil pump, servicing

29 

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Oil injection nozzle

33 

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Flywheel / Crankshaft seal

Removing and fitting vibration damper, replacing front crankshaft gasket

35 

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Removing and installing the flywheel, replacing the starter motor toothed wheel

39 

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Removing and installing the crankshaft gasket on flywheel side

41 

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Replacing the bearing race

42 

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Crankshaft gaskets

43 

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Intake / exhaust system

Removing and installing the intake pipes

44 

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Removing and installing the exhaust pipe

45 

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Turbocharger, troubleshooting

47 

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Checking charging pressure

49 

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Removing and installing the turbocharger

50 

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Removing and installing the charge mixture cooler

54 

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Dismantling the charge mixture cooler

55 

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Cylinder head

Removing and installing the cylinder head

56 

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Setting the valve clearance

61 

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Dismantling and assembling the rocker arm mechanism

62 

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Removing and installing valves

63 

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Check compression

66 

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Valve timing

Removing and installing the gear case

67 

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Removing and installing the camshaft, replacing camshaft bearings

69 

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Checking the valve timing

72 

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Summary of Contents for E 2942 LE 302

Page 1: ......

Page 2: ...icular if they are used between parts with different rates of linear expansion under heat e g aluminium and cast iron and leaks may then occur Example The cap of the front crankshaft seal If a sealing...

Page 3: ...kshaft gasket 35 Removing and installing the flywheel replacing the starter motor toothed wheel 39 Removing and installing the crankshaft gasket on flywheel side 41 Replacing the bearing race 42 Crank...

Page 4: ...nts Removing and installing the starter motor 87 Setting impulse sensor 88 Service Data 89 Engine 90 Specifications 90 Crankcase 91 Cylinder liner 91 Crankshaft 92 Flywheel and starter motor toothed w...

Page 5: ...312 as an example E The E at the start of the type designation stands for natural gas German Erdgas 28 The numbers 28 indicate that this is a power unit with 128 mm bore 4 The 4 means 142 mm stroke 2...

Page 6: ...may only be started and operated by authorised personnel D When the engine is running do not get too close to the rotating parts Wear close fitting clothing D Do not touch hot engine with bare hands R...

Page 7: ...he earth cable of the battery and reconnect this last to prevent short circuits D Follow the manufacturer s instructions for handling batteries Caution Accumulator acid is toxic and caustic Battery ga...

Page 8: ...nts fluids and fuel approved by MAN gas engine oil antifreeze and corrosion protec tion agents Pay attention to cleanliness D Do not fill engine oil beyond the max notch on the dipstick Do not exceed...

Page 9: ...d handling used engine oil does not represent a health hazard Precautionary measures to protect your health D Avoid prolonged or repeated skin contact with used engine oil D Protect your skin by means...

Page 10: ...irefighting equipment must be on hand D Do not store combustible material in the engine room Conduct in the case of gas leaks D Close the shutoff valve of the gas supply D Switch off the main switch o...

Page 11: ...to pin point the probable causes and investigate and eliminate these successively on the basis of the table and your own experience This helps to reduce repairs to the required scale and to counteract...

Page 12: ...x Ignition cable defective x x x Ignition coil defective o o x x x x Ignition point incorrectly set x Throttle valve does not open actuating rod jammed setting unit de energized or defec tive x x Thro...

Page 13: ...0 Engine does not reach its nominal speed 11 Engine does not reach its nominal power 12 Fuel consumption too high 13 Oil consumption too high 14 Engine too loud mechanical noise 15 Heavy blue smoke fo...

Page 14: ...values have not changed significantly in relation to the values measured on commissioning the engine D Charging pressure D Exhaust temperature D Coolant and lubricant temperature D Oil pressure and oi...

Page 15: ...Illustrations of E 2842 LE 302 E 2842 LE 312 engine 15 Illustrations of engine E 2842 LE 302 E 2842 LE 312...

Page 16: ...4 6 7 8 9 10 5 1 Rocker arm lubrication 6 Oil overpressure valve 2 Piston bolt lubrication 7 Oil cooler 3 Spray nozzles for piston cooling 8 Bypass valve 4 Camshaft bearing lubrication 9 Oil filter 5...

Page 17: ...cation oil lines to the exhaust turbochargers 5 Oil pump with oil pressure relief valve 2 Oil return from exhaust turbochargers 6 Bore holes for conrod bearing lubrication 3 Oil line to crankshaft 7 O...

Page 18: ...BUY NOW Then Instant Download the Complete Manual Thank you very much Have questions Please write to me aservicemanuapdf yahoo com...

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