Deutz 914 Technical Information

Operation Manual914

2© 2001© 35 215 0Cylinders are numbered consecutively,beginning at the flywheel.2.1 Model Engine Description2.1.4 Cylinder numbering2.1.5 Direct inj

2© 20011 Cooling fan2 V-Belts (fan)3 Optional attachment of hydraulic pumps4 V-belt washer5 Tension roller6 Oil pan7 Oil drain screw8 Oil filler neck9

2© 200116 Air-intake line17 Shielding plate18 Flywheel19 Oil drain screw20 Starter21 Exhaust turbocharger manifold2.2 Engine Illustrations Engine Desc

2© 20011 Cooling fan2 V-Belts (fan)3 Optional attachment of hydraulic pumps4 V-belt washer5 Tension roller6 Oil filler neck7 Fuel pump8 Fuel change fi

2© 200116 Date plate17 Flywheel18 Oil drain screw19 Starter20 Oil pan21 Air-intake manifold22 Crankcase ventilation2.2 Engine Illustrations Engine Des

2© 20011 Cooling fan2 V-Belts (fan)3 V-belt pulley on crankshaft4 Tension roller5 Oil filler neck6 Oil drain screw7 Fuel pump with fuel precleaning8 F

2© 200117 Intercooler18 Air-intake line19 Exhaust manifold line20 Date plate21 Flywheel22 Starter23 Oil drain screw24 Turbocharger25 Air-intake manifo

2© 20011 Cooling fan2 V-Belts (fan)3 V-belt pulley on crankshaft4 Tension roller5 Oil filler neck6 Oil drain screw7 Fuel pump with fuel precleaning8 F

2© 200117 Intercooler18 Flywheel19 Starter20 Oil drain screw21 Alternator22 Exhaust connection supports23 Exhaust manifold line24 Air-intake manifold

2© 20011 Oil pan2 Intake manifold3 Oil pump4 Oil pressure regulating valve5 Pressure oil line6 Short-circuit line or alternative7 Ribbed tube coil or

● Please read and observe the informationgiven in this Operation Manual. This willenable you to avoid accidents, preserve themanufacturer’s warranty a

2© 2001© 35 583 02.3 Lube Oil Circuit Schematic Engine Description1 Oil pan2 Intake line3 Oil pump4 Oil pressure regulating valve5 Pressure oil lin

2© 20011 Fuel tank2 Fuel line from tank to fuel pump3 Fuel pump4 Fuel change filter5 Injection pump6 Injection line7 Injection valve8 Fuel overflow pi

2© 20011 Pressure oil line from engine to exhaustthermostat2 Air line to exhaust thermostat3 Exhaust manifold line4 Exhaust thermostat5 Control line t

2© 20011 Pressure oil line from engine to exhaustthermostat2 Air line to exhaust thermostat3 Exhaust manifold line4 Exhaust thermostat5 Control line t

3© 2001Engine Operation3.1 Commissioning3.2 Starting3.3 Monitoring Operation3.4 Shutting off3.5 Operating Conditions

3© 2001© 35 201 0Engine Operation 3.1 CommissioningFill oil cup 1 of the oil bath air cleaner with oilup to the arrow.For oil grade and viscosity,

3© 20013.1 Commissioning Engine Operation● Position collecting tank below the injectionpump.● Unscrew ventilation valve 1 with screw-driver.● Move han

3© 2001● Checking battery and cable connectorssee 6.7.1● Transport hooksRemove if fitted (see 6.7.3)● Trial runAfter the engine has been prepared, let

3© 2001

3© 2001Engine Operation 3.2 Starting3.2.1 Electric StartingBefore starting, make sure thatnobody is standing in the imme-diate vicinity of the engine

Operation Manual9140312 0382 enEngine Serial NumberTechnical modifications required to improveour engines are reserved with regard to speci-fication d

3© 2001with cold start assistance/glowlampsFR 60 = 9,5 and 19 Volt● Insert key– Position 0 = no operating voltage● Turn key clockwise– Position 1 = op

3© 2001Engine Operation 3.3 Monitoring OperationOil Pressure Indicator Oil Pressure Gauge● The oil pressure pilot light comes on withoperating voltage

3© 2001● The engine temperature gauge pointershould remain in the green sector most ofthe time. It should rarely enter the yellow-green sector. If the

3© 2001If possible, do not suddenly switch off theengine when under full load.● Turn key counterclockwise (to position 0)and remove. The pilot lights

3© 20013.5.1 Winter Operation● Lube Oil Viscosity– Select the oil viscosity (SAE grade) ac-cording to the ambient temperature whenstarting the engine,

3© 2001● Air density decreases as altitude or ambienttemperature increase. As a result of this, theengine’s maximum output, the quality of theexhaust

4© 2001Operating Media4.1 Lube Oil4.2 Fuel

4© 2001Operating Media 4.1 Lube OilLube oils are differentiated according to theirperformance and quality class. In commonuse are specifications named

4© 20014.1 Lube Oil Operating MediaTurbocharged engines with increased out-put and engines with high capacity.For the following engines, or applicatio

4© 2001Use commercially available diesel fuel withless than 0.5 % sulphur content. If the sulphurcontent is higher, oil change intervals shouldbe redu

ForewordDear Customer,Air / liquid-cooled Deutz engines are designedfor a large number of applications. Conse-quently, a wide range of variants is off

5© 2001Routine Maintenance5.1 Maintenance Plan5.2 Maintenance Schedules5.3 Maintenance Work Completed

5© 2001Industrial enginesThe specified engine maintenance values arepermissible recommended maximums. De-pending on usage, reduced maintenance in-terv

5© 20015.1 Maintenance Schedule Routine MaintenanceAdditions and modificationsfor engines with EPA approvalThe specified engine maintenance values are

5© 2001Maintenance 5.2 Routine maintenance work planIntervals Maintenance Activity Plan executed by: Commentswith/after levels50 [OH] E 10 after oper

5© 20015.2 Maintenance Charts Routine MaintenanceThe maintenance charts shown on this pageare supplied as self-adhesive labels witheach engine. They s

5© 2001Routine Maintenance 5.3 Maintenance Work Completed–2505007501000125015001750200022502500275050-150*1253756258751125137516251875211523752625* fo

5© 2001 300032503500375040004250450047505000525055005750287531253375362538754125437546254875512553755625 Duly completed maintenance jobs can be r

5© 2001Routine Maintenance 5.3 Maintenance Work Completed 60006250650067507000725075007750800082508500875058756125637566256875712573757625787581258

5© 20015.3 Maintenance Work Completed Routine Maintenance

6Service and Maintenance6.1 Lubrication System6.2 Fuel System6.3 Cooling system6.4 Combustion Air Filter6.5 Belt Drives6.6 Adjustments6.7 Accessories6

Index1 General2 Engine Description2.1 Model2.1.1 Rating Plate2.1.2 Position of the Rating Plate2.1.3 Engine Serial Number2.1.4 Cylinder numbering2.1.5

6Vehicle engines6.1.1 Oil change intervals● The oil change intervals are dependent onthe engine application and the quality of thelube oil.● If the en

66.1 Lubrication System Service and Maintenance 26 023 0 26 022 0 25 729 0Be careful when draining hot oil - dangerof scalds! Do not let used oil r

6Service and Maintenance6.1 Lubrication System6.1.3 Replace Oil Filter● Clean any dirt from the filter carrier sealingsurface.● Lightly oil the rubber

66.1 Lubrication System Service and Maintenanceen6.1.4 Change bypass-oil filteruse● Remove oil drain screw 1 and let the oil runout.● Catch any escapi

6Service and Maintenance 6.2 Fuel System● Close the fuel shut-off valve.● Undo fuel filter cartridge with commercialtool and spin off.● Catch any esca

66.2 Fuel System Service and Maintenance● Close the fuel shut-off valve.● Screw out and remove filter cap 4.● Catch any escaping fuel.● Remove straine

6© 2001Service and Maintenance 6.3 Cooling System6.3.1 Cleaning Intervals● The amount of contamination in the coolingsystem depends on the engine appl

6© 2001● The amount of dirt in the air cleaner de-pends on the amount of dust in the air andthe size of the air cleaner used. If a highlevel of dust i

6© 2001Never fill collector bowl with oil. Replacecollector bowl if damaged.● Undo wing nut 1 and remove cover 2.● Remove collector bowl 3 from lower

6© 2001● Empty dust discharge valve 1 by pressingapart lips of discharge slot as indicated byarrows.● Clean discharge slot from time to time.● Remove

1DEUTZ Diesel Enginesare the product of many years of research anddevelopment. The resulting know-how, coupledwith stringent quality standards, guaran

6© 2001Read off the value where the indicatorarm 1 intersects scale 5 (arrow). Forsettings, see 9.1.- If necessary, retension belt and measureagain.Ch

6© 20016.5 Belt Drives Service and Maintenance● Loosen bolts 1, 2 and 3 slightly.● Press alternator 4 outwards in directionof arrow A until correct be

6© 2001● Unscrew hex screw 1.● Remove outer belt pulley half 2.● Replace V-belt if necessary.● In order to retension, remove one or moreinner washers

6© 2001● Undo hex nut 1, remove V-belt pulley half2, V-belt 3 and inner washer kit 7.● Remove inner washers 4, posterior V-belt3, inner washer kit 6 a

6© 2001● Remove the cylinder head cover.● Position crankshaft as per schematic, see6.6.1.1.● Before adjusting valve clearance, allowengine to cool dow

6© 20016.6.1.1 Schematic forValve Clearance Adjustments6.6 Adjustments Service and Maintenance● Crankshaft Position 2:Turn crankshaft one full revolut

6© 2001Service and Maintenance 6.7 Accessories6.7.1.2 Check Electrolyte Level 6.7.1.3 Check electrolytedensity● Keep battery clean and dry.● Undo dirt

6© 20016.7 Accessories Service and Maintenance* Measurement of electrolyte density in ° Bé(Baumé-scale) is out of date and rarelyused today.The gases

6© 2001Notes on the three-phase system:● Never disconnect the cables betweenbattery, alternator and regulator while theengine is running.● If, however

6© 20016.8. Engine Cleaning Service and Maintenance6.8.1 Engine cleaningUsing compressed air● Switch off the engine.● Remove engine covers and cooling

1

6© 2001Service and Maintenance 6.9 Additional Maintenance Work● Cylinder head cover 1● Air intake manifold 2● Connection sockets● Exhaust line 3● Engi

6© 20016.9 Additional Maintenance Work Service and MaintenanceTest step 2● Loosen screw 1.● Turn engine over with starter, key in switch-ing position

6© 2001

7© 2001Faults, Causes and Remedies7.1 Fault Table

7© 2001Faults, Causes and Remedies 7.1 Fault Table●●●●●●●●● ●●●●●●●●●● ●●●●● ●●●● ●●●●●● ●●●●●●Cause SectionNot declutched (where possible) Engine Ope

7© 2001●●●●●●●●● ●●●● ●●●●● ●●●●●● ●●●● ●●●● ●●●●●●●●● ●● ●●●7.1 Fault Table Faults, Causes and RemediesFaults MeasuresEngine does not start or is dif

7© 2001

8© 2001Engine Preservation8.1 Preservation

8© 2001If the engine is to remain idle for an extendedperiod of time, it is necessary to take protec-tive measures to prevent the formation ofcorrosio

9© 2001Technical Specification9.1 Engine Specifications and Settings9.2 Screw Tightening Torques9.3 Tools

2© 2001Engine Description2.1 Model2.2 Engine Illustrations2.3 Lube Oil Circuit Schematic2.4 Fuel System Plan2.5 Engine cooling

9© 2001Technical Specification 9.1 Engine Specifications and SettingsModelNumber of cylindersCylinder arrangementBore [mm]Stroke [mm]Total displacemen

9© 20019.1 Engine Specifications and Settings Technical SpecificationBF3L 914 BF4L 914 BF6L 914 BF6L 914 C34 6 6vertical in line1021323236 4314 6472 6

9© 2001Technical Specification 9.2 Torque Wrench SettingsInstallation Pretension Retension Total Comments[Nm] 1st position 2nd position 3rd position 4

9© 20019.3 Tools Technical SpecificationV-belt tension gaugeThe V-belt tension gauge can be obtainedunder order number 8115 from:WILBÄRPostfach 14 05

10ServiceKnowing it’s DEUTZDEUTZ has always stood for excellence in motorconstruction, pioneering many developments inthe industry. As an independent

Imprint:DEUTZ AGService-TechnikInstandhaltungstechnik MotorenDeutz-Mülheimer Straße 147-149D - 51057 KölnTelefon: 0221 - 822 - 0Fax: 0221 - 822 - 5358

2© 2001The engine serial number is stamped on thecrankcase (arrow) as well as the ratingplate.2.1.2 Position of the RatingPlate2.1.3 Engine Serial Num