MTU 12 V 4000 G21R Operating Instructions Manual Download Page 97

Page: 97 / 117

7.16.4 Charge-air coolant – Filling

Preconditions

☑ Engine is stopped and starting disabled.
☑ MTU Fluids and Lubricants Specifications (A001061/..) are available.

Special tools, Material, Spare parts

Designation / Use

Part No.

Qty.

Charge-air coolant

WARNING

Coolant is hot and under pressure.

Risk of injury and scalding!

• Let the engine cool down.

• Wear protective clothing, gloves, and goggles / safety mask.

CAUTION

Cold coolant in hot engine can cause thermal stress.

Formation of cracks in components!

• Fill / top up coolant only into cold engine.

Preparatory steps

Turn breather valve of coolant expansion

tank counterclockwise until the first stop

and allow pressure to escape.

Continue to turn breather valve counter‐

clockwise and remove.

116 | Task Description | MS150064/01E 2011-11

TIM-ID: 0000000962 - 002

Summary of Contents for 12 V 4000 G21R

Page 1: ...Operating Instructions Diesel engine 12 V 4000 G21R 12 V 4000 G41R MS150064 01E...

Page 2: ...ted A and those of the right side B as per DIN ISO 1204 The cylinders of each bank are numbered consecutively starting with No 1 at the driving end of the engine Other components are numbered in the s...

Page 3: ...el line high pressure 14 Inspection port cover 15 Cylinder head 16 Fuel line low pressure 17 Lube oil filter 18 Fuel pump high pres sure 19 Gear train 20 Running gear 21 Coolant system 22 Lube oil sys...

Page 4: ...ntake air temperature C 25 25 25 Charge air coolant temperature C 55 55 55 Barometric pressure mbar 1000 1000 1000 Site altitude above sea level m 100 100 100 POWER RELATED DATA power ratings are net...

Page 5: ...R EXHAUST GAS Number of cylinders 12 12 12 Charge air pressure before cylinder BL R bar ABS 2 4 2 8 2 8 COOLING SYSTEM HT circuit Number of cylinders 12 12 12 Coolant temperature at engine outlet to c...

Page 6: ...oil pressure before engine shutdown L bar 4 0 4 0 4 0 FUEL SYSTEM Number of cylinders 12 12 12 Fuel pressure at supply connection to engine min when engine is starting L bar 0 1 0 1 0 1 Fuel pressure...

Page 7: ...k mark max standard oil system Option max operating inclinations L liter 200 200 200 WEIGHTS MAIN DIMENSIONS Number of cylinders 12 12 12 Engine weight dry basic engine con figuration acc to scope of...

Page 8: ...mperature C 55 55 Barometric pressure mbar 1000 1000 Site altitude above sea level m 100 100 POWER RELATED DATA power ratings are net brake power as per ISO 3046 Number of cylinders 12 12 Engine rated...

Page 9: ...tlet to cooling equipment A C 95 95 Coolant temperature after engine alarm R C 97 97 Coolant temperature after engine shutdown L C 99 99 Coolant antifreeze content max L 50 50 Pressure loss in externa...

Page 10: ...perature min R C 32 32 Firing speed from R rpm 80 80 Firing speed to R rpm 120 120 CAPACITIES Number of cylinders 12 12 Engine coolant capacity without cooling equipment R liter 160 160 Charge air coo...

Page 11: ...pressure level Lp 1m distance ISO 6798 3dB A tolerance R dB A 117 117 Engine surface noise with attenuated intake noise filter BL free field sound pressure level Lp 1m distance ISO 6798 2dB A tol era...

Page 12: ...oolant temperature C 55 Barometric pressure mbar 1000 Site altitude above sea level m 100 POWER RELATED DATA power ratings are net brake power as per ISO 3046 Number of cylinders 12 Engine rated speed...

Page 13: ...Coolant temperature after engine shutdown L C 99 Coolant antifreeze content max L 50 Pressure loss in external raw water system max L bar 0 7 COOLING SYSTEM LT circuit Number of cylinders 12 Coolant t...

Page 14: ...l at initial filling standard oil system Op tion max operating inclinations R liter 260 Oil pan capacity at dipstick mark min standard oil system Option max operating inclinations L liter 160 Oil pan...

Page 15: ...3 4 Final compression pressure Final compression pressure Final compression pressure at 120 rpm 24 bar to 28 bar 34 Technical Data MS150064 01E 2011 11 TIM ID 0000002820 001...

Page 16: ...g order 8V A1 B4 A4 A2 B3 A3 B2 B1 12V A1 B2 A5 B4 A3 B1 A6 B5 A2 B3 A4 B6 16 V A1 A7 B4 B6 A4 B8 A2 A8 B3 B5 A3 A5 B2 A6 B1 B7 20 V A1 B5 A8 B7 A5 B2 A7 B10 A2 B3 A10 B6 A3 B4 A6 B9 A4 B1 A9 B8 MS150...

Page 17: ...Length A Width B Height C 8 V 4000 Gxy approx 1940 mm approx 1550 mm approx 1760 mm 12 V 4000 Gxy approx 2410 mm approx 1550 mm approx 1760 mm 16 V 4000 Gxy approx 2880 mm approx 1550 mm approx 1760 m...

Page 18: ...0 Fuel prefilter pressure gauge Align adjustable pointer with position of pressure indicator Page 86 Fuel system Vent Page 83 Cooling system If engine is out of service for more than one year change e...

Page 19: ...98 Cooling system Check engine coolant level Page 105 Check charge air coolant level Page 113 Cooling system Preheat coolant with preheating unit Fuel prefilter Drain Page 87 Monitoring equipment Carr...

Page 20: ...the engine Item Task Switchgear cabinet control panel etc depending on manufacturer If coolant temperature is 40 C with preheating equipment or 5 C without preheating equipment Press start button Aut...

Page 21: ...abinet Actuate switch button for ECU override input Control cabinet Automatic starting procedure is performed any safety functions and alarms leading to engine shutdown are disregarded Tachometer indi...

Page 22: ...operation is not required Check for abnormal running noises and vibrations HP pump Check relief bore Page 76 Fuel prefilter Check if suction side pressure indicated at the fuel prefilter pressure gau...

Page 23: ...breaker Item Task Engine After opening the generator breaker if provided allow to cool down off load for approx 5 minutes Preparing the pump drive diesel mechanical diesel electric Item Task Engine Al...

Page 24: ...from LOP Item Task EMERGENCY STOP but ton Press Engine is stopped by switching off power supply to ECU Signalization e g by horn flashing lamp is released After emergency stop from LOP Item Task Switc...

Page 25: ...e engine Engine remains ready for operation After stopping the engine Item Action Engine generator pump control Select operating mode e g MANUAL AUTOMATIC OPERATION 44 Operation MS150064 01E 2011 11 T...

Page 26: ...he engine room is not heated the coolant is not maintained at a suitable temperature the antifreeze concentration is insufficient for the engine room tempera ture antifreeze concentration is 50 and en...

Page 27: ...sensors with compressed air Plant Cleaning 1 Carry out plant cleaning only in areas where an appropriate oil separator is provided environmental pro tection 2 Prior to putting the cleaning unit into...

Page 28: ...ain water and contaminants from fuel prefilter if fitted Page 41 W0508 Check reading on differential pressure gauge of fuel prefilter if fitted Page 41 W0534 Carry out test run minimum duration until...

Page 29: ...anu facturer s documentation Engine Governor Plug in connections are loose Check plug connections Page 127 Engine Running gear blocked engine cannot be barred manually Contact Service Engine turns but...

Page 30: ...ponent Probable cause Task Engine coolant Incorrect coolant concentration Check MTU test kit Intercooler Contaminated Contact Service Engine room Air intake temperature too high Check fans and air sup...

Page 31: ...charg er cylinder head pis ton rings cylinder lin er Defective Contact Service Exhaust gas white Component Probable cause Task Engine Not at operating temperature Run engine to reach operating temper...

Page 32: ...ordance with the following table is not successful contact Service to have the sensors actuators checked and if re quired replaced Fault code Alarm text Meaning Task 005 L1 T CHARGE AIR Charge air tem...

Page 33: ...e too low 1st limit value 1 Check fuel lines for leaks repair de fective lines 2 Clean fuel prefilter Page 85 3 Flush fuel prefilter Page 88 4 Replace filter element of fuel prefilter Page 90 5 Replac...

Page 34: ...om external coolant level monitoring Depending on the corresponding meas uring point which is read via CAN bus 078 LIM INTER COOLER LEV Alarm from external charge air coolant level monitoring Dependin...

Page 35: ...1 Check sum error of accumu lated fuel consumption data in EDM redundant data record 1 If fault occurs repeatedly Contact Serv ice 103 INVALID FUEL CONS 2 Check sum error of accumu lated fuel consumpt...

Page 36: ...fective 1 Disconnect connectors X2 and X3 from engine governor If alarm does not disappear Contact Service 2 Check wiring pressure sensors 3 Contact Service 139 L1 TE BUFFER TEST Internal electronic f...

Page 37: ...ect design da ta download in EEPROMs Contact Service 185 CAN LESS MAIL BOXES Error during CAN initialization Contact Service 186 CAN1 BUS OFF Severe fault on Default CAN bus automatic change over to R...

Page 38: ...245 SD POWER SUPPLY Sensor defect engine gover nor operating voltage Contact Service 246 SD T ELEC TRONIC Sensor defect temperature in engine governor Contact Service 250 SD CAN SPEED DEMAND Sensor de...

Page 39: ...ce 308 TIMING CYLIN DER A8 Injection timing fault cylinder A8 If fault occurs repeatedly Contact Serv ice 309 TIMING CYLIN DER A9 Injection timing fault cylinder A9 If fault occurs repeatedly Contact...

Page 40: ...ty wiring to solenoid valve cylinder A6 Misfiring 1 Check wiring 2 Contact Service 327 WIRING CYLIN DER A7 Faulty wiring to solenoid valve cylinder A7 Misfiring 1 Check wiring 2 Contact Service 328 WI...

Page 41: ...lve cylinder B10 Misfiring 1 Check wiring 2 Contact Service 341 OPEN_LOAD CYL A1 Disconnection in wiring to sol enoid valve cylinder A1 Misfiring 1 Check wiring 2 Contact Service 342 OPEN_LOAD CYL A2...

Page 42: ...ylinder B4 Misfiring 1 Check wiring 2 Contact Service 355 OPEN_LOAD CYL B5 Disconnection in wiring to sol enoid valve cylinder B5 Misfiring 1 Check wiring 2 Contact Service 356 OPEN_LOAD CYL B6 Discon...

Page 43: ...gine shutdown 1 Check wiring 2 Try to re start the engine Page 39 3 Contact Service 381 TRAN OUT1 PLANT DEF Binary transistor output plant 1 defective Contact Service 382 TRAN OUT2 PLANT DEF Binary tr...

Page 44: ...y Danger to life Before barring the engine ensure that nobody is in the danger zone Engine Barring manually 1 Remove guard plate 2 Engage barring device 2 with ring gear 3 and install on flywheel hous...

Page 45: ...engine Engine Barring with starting system 1 Disengage the bayonet coupling 4 of con nector X4 with connector pliers 2 and withdraw connector 3 from engine gover nor 2 Bar engine in unloaded conditio...

Page 46: ...nobody is in the danger zone WARNING Engine noise above 85 dB A Risk of damage to hearing Wear ear protectors Engine Test run 1 Start engine Page 39 2 Perform test run not below 1 3 load and at least...

Page 47: ...s First signs of marks left by lower cooling bores Running pattern seems darker No action required Dark areas with even or varying degrees of discoloration Beginning and end of the discoloration are n...

Page 48: ...Final steps 1 Install injector Page 78 2 Install cylinder head cover Page 75 MS150064 01E 2011 11 Task Description 67 TIM ID 0000000015 009...

Page 49: ...moothened areas appear brighter and more brilliant than the surrounding running surface Findings not critical Bright area Bright areas are on the running surface and show local removal of the honing p...

Page 50: ...ion starting in TDC ring 1 have to be replaced Seizure marks scuff ing Irregular circumference lengths and depths Can be caused either by the pis ton skirt or the piston crown Material deposits on the...

Page 51: ...tion residues which are harmful to health Risk of injury and poisoning Wear protective clothing gloves and goggles safety mask Avoid contact with skin Do not inhale oil vapor Replacing oil separator 1...

Page 52: ...hragm 3 on housing 1 5 Install new seal 2 and spring 5 together with cover 4 6 Use torque wrench to tighten the screws of cover 4 to the specified torque Name Size Type Lubricant Value Standard Screw...

Page 53: ...are parts Designation Use Part No Qty Engine oil Valve gear Lubrication 1 Remove cylinder head covers Page 75 2 Fill oil chambers of valve bridges with oil 3 Fill oil chambers of rocker arms and adjus...

Page 54: ...e Part No Qty Feeler gauge Y20010128 1 Torque wrench 60 320 Nm F30047446 1 Allen key F30002817 1 Socket wrench 24 mm F30039526 1 Engine oil Preparatory steps 1 Remove cylinder head cover Page 75 2 Ins...

Page 55: ...tween valve bridge and rocker arm 5 If the deviation from the set value exceeds 0 1 mm adjust valve clearance Adjusting valve clearance 1 Release locknut 1 2 Insert feeler gauge between valve bridge a...

Page 56: ...r head cover 1 Clean cylinder head covers prior to removal if they are heavily soiled 2 Remove screws 3 Remove cylinder head cover with gasket from cylinder head Installing cylinder head cover 1 Clean...

Page 57: ...s Checking HP pump relief bore 1 Check relief bore for oil and fuel discharge by visual inspection 2 If relief bore is contaminated stop the en gine disable engine start and clean relief bore 3 Note t...

Page 58: ...tor Replacement Special tools Material Spare parts Designation Use Part No Qty Injector Spare Parts Catalog Replacing injector u Remove injector and install new injector Page 78 MS150064 01E 2011 11 T...

Page 59: ...40477 1 Grease Kluthe Hakuform 30 10 emulsifier X00058060 1 Engine oil WARNING Fuels are combustible Risk of fire and explosion Avoid open flames electrical sparks and ignition sources Do not smoke C...

Page 60: ...e side is completed 1 Undo cable terminal screws arrow on in jector and remove cable terminals 2 Remove screw 2 and take off hold down clamp 1 3 Remove high pressure fuel line 5 4 Install installation...

Page 61: ...th assembly paste 3 Fit new O rings on injector and coat with grease 4 Fit new sealing ring on injector with grease ensuring correct installation position of seal ing ring 5 Clean sealing surface on c...

Page 62: ...nch to the specified initial tightening torque Name Size Type Lubricant Value Standard Screw M12 Preload torque Engine oil 5 Nm to 10 Nm 13 Fit O rings 4 and 6 on high pressure fuel line 5 and coat wi...

Page 63: ...que wrench Name Size Type Lubricant Value Standard Union nut Tightening torque 120 Nm 10 Nm 18 Twist cable several times 19 Insert cable terminals arrows underneath screws on injector and tighten scre...

Page 64: ...n sources Do not smoke Venting LP fuel system 1 Loosen flushing return line of HP pump at connection 1 2 Unlock fuel priming pump 2 screw out handle 3 Operate the fuel priming pump 2 with the handle u...

Page 65: ...fire and explosion Avoid open flames electrical sparks and ignition sources Do not smoke Replacing fuel filter 1 Remove easy change filter using filter wrench 2 Clean sealing surface on filter head 3...

Page 66: ...ff fuel supply 2 Remove nuts from filter head 3 Take off filter housing and drain fuel into appropriate container 4 Remove filter element securing nut and re move filter element by pulling it downward...

Page 67: ...n installing the new filter element align adjustable pointer 2 with pressure indicat ing pointer 3 of pressure gauge 1 2 Check differential pressure Checking differential pressure of fuel prefilter 1...

Page 68: ...drained I Left filter cut in II Right filter cut in 2 Open threaded vent plug 5 of filter to be drained 3 Unlock drain valve 6 by pressing toggle and open it 4 Drain water and contaminants from filter...

Page 69: ...life Take special care when working on a running engine WARNING Fuels are combustible Risk of fire and explosion Avoid open flames electrical sparks and ignition sources Do not smoke WARNING Engine no...

Page 70: ...ve 6 Fuel prefilter Topping up with fuel 1 Stop engine Page 42 and disable engine start 2 Remove screws for cover and take off cover 2 3 Fill filter housing with clean fuel 4 Place new gasket in cover...

Page 71: ...Diesel fuel Filter element Spare Parts Catalog Gasket Spare Parts Catalog WARNING Fuels are combustible Risk of fire and explosion Avoid open flames electrical sparks and ignition sources Do not smok...

Page 72: ...2 7 Remove spring housing 4 and filter ele ment 3 8 Insert new filter element 3 and spring housing 4 9 Fill filter housing with clean fuel 10 Place new gasket in cover 2 11 Fit cover with gasket and s...

Page 73: ...tors Intercooler Check drain for coolant leakage and obstruction 1 Verify that air emerges from condensate drain bore s on left and right engine sides at driving end when engine is running If no air e...

Page 74: ...aterial Spare parts Designation Use Part No Qty Air filter Spare Parts Catalog Air filter Replacement 1 Remove air filter and install new one Page 94 2 Reset signal ring of service indicator Page 95 M...

Page 75: ...stallation 1 Release clamp 2 2 Remove air filter 3 and clamp 2 from flange of intake housing 1 3 Verify that there are no objects in the flange of the intake housing 1 and clean it 4 Place new air fil...

Page 76: ...isabled Checking signal ring position 1 If the signal ring is completely visible in the control window 2 replace air filter Page 93 2 After installation of new filter press reset button 1 Result Engag...

Page 77: ...he engine make sure that nobody is in the danger zone WARNING Engine noise above 85 dB A Risk of damage to hearing Wear ear protectors Air starter Manual operation 1 Operate pushbutton for manual star...

Page 78: ...itions Engine is stopped and starting disabled Checking starter condition 1 Check securing screws of starter for secure seating and tighten if required 2 Check wiring Page 125 MS150064 01E 2011 11 Tas...

Page 79: ...or heat exchanger back to the oil pan 3 The oil level must reach mark 1 or exceed mark 1 by up to 2 cm 4 Top up with oil to mark 1 as necessary Page 99 5 Insert oil dipstick into guide tube up to the...

Page 80: ...t drain plug s on oil pan 1 Provide a suitable container in which to collect the engine oil 2 Remove drain plug s and drain engine oil 3 Install drain plug s with new sealing ring Oil change with semi...

Page 81: ...ne oil 100 Nm 10 Nm Filling with new engine oil 1 Open cap on filler neck 2 Pour in engine oil at filler neck up to max mark on oil dipstick 3 Close cap on filler neck 4 Check engine oil level Page 98...

Page 82: ...ar protective clothing gloves and goggles safety mask Avoid contact with skin Do not inhale oil vapor WARNING Engine noise above 85 dB A Risk of damage to hearing Wear ear protectors Engine oil sample...

Page 83: ...ive clothing gloves and goggles safety mask Avoid contact with skin Do not inhale oil vapor Replacing engine oil filter 1 Remove oil filter using filter wrench 2 Clean sealing surface on connecting pi...

Page 84: ...mulsifier X00029933 1 Filter sleeve Spare Parts Catalog Sealing ring Spare Parts Catalog Sealing ring Spare Parts Catalog WARNING Hot oil Oil can contain combustion residues which are harmful to healt...

Page 85: ...12 onto rotor lower sec tion 13 13 Insert new filter sleeve 9 with stiffener plate 10 into rotor cap 8 ensuring that smooth surface of filter sleeve 9 faces ro tor cap 8 14 Check sealing ring 11 repl...

Page 86: ...clockwise to the first stop and allow pressure to escape 2 Continue to turn breather valve counterclockwise and remove 3 Check coolant level coolant must be visible at the lower edge of the cast in ey...

Page 87: ...ecial tools Material Spare parts Designation Use Part No Qty Engine coolant Changing engine coolant 1 Drain engine coolant Page 107 2 Fill with engine coolant Page 108 106 Task Description MS150064 01...

Page 88: ...rn breather valve of filler neck on coolant expansion tank counterclockwise to first stop and allow pressure to escape 2 Continue to turn breather valve counter clockwise and remove 3 Draw off separat...

Page 89: ...scalding Let the engine cool down Wear protective clothing gloves and goggles safety mask CAUTION Cold coolant in hot engine can cause thermal stress Formation of cracks in components Fill top up cool...

Page 90: ...er valve and close it 9 Start engine Page 39 10 After 10 seconds of running the engine without load shut down the engine Page 42 11 Turn breather valve of coolant expansion tank counterclockwise until...

Page 91: ...counterclockwise until the first stop and allow pressure to escape 9 Turn breather valve counterclockwise and remove 10 Check coolant level Page 105 and top up with coolant through the filler neck if...

Page 92: ...relief bore on engine coolant pump 1 Checking relief bore for oil and coolant dis charge 2 Stop engine Page 42 and disable en gine start observe general safety instruc tions for maintenance and repair...

Page 93: ...n Wear protective clothing gloves and goggles safety mask WARNING Engine noise above 85 dB A Risk of damage to hearing Wear ear protectors Coolant sample extraction and analysis 1 With the engine runn...

Page 94: ...n tank counterclockwise to the first stop and allow pressure to escape 2 Continue to turn breather valve counter clockwise and remove 3 Check coolant level coolant must be visible at marking plate 4 T...

Page 95: ...tools Material Spare parts Designation Use Part No Qty Charge air coolant Charge air coolant Change 1 Drain charge air coolant Page 115 2 Fill with charge air coolant Page 116 114 Task Description MS...

Page 96: ...valve of coolant expansion tank counterclockwise until the first stop and allow pressure to escape 3 Continue to turn breather valve counter clockwise and remove 4 Draw off precipitated corrosion inhi...

Page 97: ...and scalding Let the engine cool down Wear protective clothing gloves and goggles safety mask CAUTION Cold coolant in hot engine can cause thermal stress Formation of cracks in components Fill top up...

Page 98: ...eather valve and clean sealing faces if required 8 Install and close breather valve 9 Start engine Page 39 10 After the engine has run at unloaded condi tion for 10 seconds stop engine Page 42 11 Turn...

Page 99: ...stop engine Page 42 8 Turn breather valve of coolant expansion tank counterclockwise until the first stop and allow pressure to escape 9 Turn breather valve counterclockwise and remove 10 Check coolan...

Page 100: ...thing gloves and goggles safety mask WARNING Engine noise above 85 dB A Risk of damage to hearing Wear ear protectors Charge air coolant Sample extraction and analysis 1 With the engine running open d...

Page 101: ...ge air coolant pump Relief bore check 1 Check relief bore for oil and coolant dis charge 2 Stop engine Page 42 and disable en gine start observe general safety instruc tions for maintenance and repair...

Page 102: ...ed Guard is removed Drive belt Condition check Item Findings Action Drive belt A Singular cracks None Drive belt Belt is oily shows signs of over heating Replace Page 124 Drive belt B Cracks on entire...

Page 103: ...conditions Engine is stopped and starting disabled Adjusting belt tension 1 Loosen locknut 2 and screws 1 2 Tension drive belt with tensioning nut 3 and check belt tension Page 123 3 Tighten locknut 2...

Page 104: ...ng drive belt tension 1 Fit measuring head 2 on belt tension tester 3 and hit drive belt 1 with a suitable tool 2 Hold belt tension tester over belt drive until the measured value is displayed For spe...

Page 105: ...ain since pretension by the drive belt is no longer provided Therefore engine operation without drive belt connection is not allowed Battery charging generator drive Drive belt replacement 1 Remove gu...

Page 106: ...nnot swing freely 3 Check that cable ties are firm tighten loose cable ties 4 Replace faulty cable ties 5 Visually inspect the following electrical line components for damage connector housings contac...

Page 107: ...surface of connectors 1 connector sockets and shrink formed com ponents 2 using a cloth moistened with isopropyl alcohol 3 Check legibility of cable labels Clean or re place illegible labels Cleaning...

Page 108: ...lug connections 1 Use connector pliers 3 to make certain that all plug connections on engine control unit are securely seated 2 Tighten loose bayonet union nuts 2 with connector pliers 3 by turning th...

Page 109: ...des CKT Circuit CLS Coolant Level Sensor Monitors coolant level CPS Coolant Pressure Sensor Monitors coolant pressure CTS Coolant Temperature Sensor Monitors coolant temperature DDEC Detroit Diesel El...

Page 110: ...ll na tional standardization institutes KGS Kraftgegenseite Engine free end in accordance with DIN ISO 1204 KS Kraftseite Engine driving end in accordance with DIN ISO 1204 LED Light Emitting Diode LO...

Page 111: ...alarm TBS Turbocharger Boost Sensor Monitors charge air pressure TCI Turbo Compressor Inlet TCO Turbo Compressor Outlet TD Transmitter Deviation Alarm Deviation in transmitter values TPS Throttle Posi...

Page 112: ...during operation for preventive maintenance corrective work in case of malfunction or changed operating conditions or for spare parts supply Your contact at Headquarters Service support mtu online co...

Page 113: ...1 7 20 1 Engine control unit and connectors Cleaning Page 126 Qty Used in 1 7 20 2 Engine control unit plug connections Check Page 127 Feeler gauge Part No Y20010128 Qty Used in 1 7 4 2 Valve clearanc...

Page 114: ...eather Oil separator replacement diaphragm check and replace ment Page 70 Ratchet adapter Part No F30027341 Qty Used in 1 7 13 2 Engine oil Change Page 99 Ratchet adapter Part No F30027339 Qty Used in...

Page 115: ...rench 40 200 Nm Part No F30027337 Qty Used in 1 7 13 2 Engine oil Change Page 99 Torque wrench 6 50 Nm Part No F30027336 Qty Used in 1 7 3 1 Crankcase breather Oil separator replacement diaphragm chec...

Page 116: ...moval installation 10 Cylinder head cover Removal and installation 75 Cylinder liner Endoscopic examination 66 Instructions and comments on endoscopic and visual examination 68 D Drive belt Condition...

Page 117: ...service periods 3 months 37 Putting the engine into operation after scheduled out of service period 38 S Safety instructions 20 Service partners 131 Start engine in manual mode testing mode 39 Starter...

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