DEUTZ Instruction Manual - F2L912 - F2L912W - 12th Edition

Oct 28, 2026

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Instruction manual for DEUTZ F2L912 and F2L912W diesel engines, covering preparation before putting a new engine into service, recommendations to maintain peak operating efficiency, and guidance on contacting DEUTZ dealers and authorized repair shops for troubleshooting and genuine spare parts ordering. Includes overview of engine cut-away components and lube oil circuit, plus references to sections for specification data, fuel, starting, stopping, winter operation, air-venting the fuel system, maintenance schedules, and causes/remedies for troubles.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages40

Reading Time1 h 41 min

AccessFree to download

Specification Data

Operation of Engine

Fuel

Motor Oil

Starting

Stopping

Hints for Winter Operation

Air-venting the Fuel System

Maintenance Schedule

Notes on Maintenance Schedule

Workshop Maintenance

Preservation of Engine

Troubles-Causes and Remedies

For the Specialist

Tightening Screwed Joints

Hints for installing the Engine

Fuel Piping

INSTRUCTION MANUAL F2L912F2L912W2971566 UF 0155-99E Before putting the new engine into servlceplease read this booklet carefully our engine was given a bench test before leaving our works.Thisproved that all the component parts function correctly and the required poweroutput is attained.No doubt you wish to keep your engine at peak operatingeficiency at all times,just as we are equally anxious that it should be yourconstant,dependable and trusty aid.To make this possible you should complyprecisely with all the operating and maintenance instructions,and then youwill always find it a pleasure to use your DEUTZ engine However,should you experience troubles,please contact your DEUTZ dealer,who will gladly be of assistance in remedying any defects.Remember thatonly at the repair shops displaying the DEUTZ sign will you find properlytrained mechanics provided with all the essential special-purpose tools andequipment.And only there willyou be able to obtain genuine spare parts bear-ing.the DEUTZ quality symbol. This symbol alone ersures that you will be getting the best,the genuine spareparts which alone carry our fullguarantee. Therefore always insist on ■ GenuineDEUTZ Spares When ordering these spares please quote the references contained in theParts List supplied with your engine. We trust that your DEUTZ engine will do you a power of good at your work-whatever it may be. Klöckner-Humboldt-Deutz AG PageCut-away view of Engine2Lube Oil Circuit3Issuing Department MMLV1 | Specification Data | 5 | | --- | --- | | Operation of Engine | 6 | | Fuel | 6 | | Motor Oil | 6 | | F2L 912 | | | Starting | 8 | | Stopping | 9 | | F2L912W | | | Starting | 10 | | Stopping | 12 | | Hints for Winter Operation | 12 | | Air-venting the Fuel System | 15 | | Maintenance Schedule | 16 | | Notes on Maintenance Schedule | 20 | | Workshop Maintenance | 27 | | Preservation of Engine | 28 | | Troubles-Causes and Remedies | 29 | | For the Specialist | | | Tightening Screwed Joints | 33 | | Hints for installing the Engine | 34 | | Fuel Piping | 36 | | Summary Instructions see back cover | | | ASJ
Editing Department | | | Printed in Germany (West) | | --- | 200003.75 pg 12th Edition Figure 1 1 Inlet valve 2 Cylinder head (llght metal) 3 Cooling blower 4 Plston(light melal) 5 Connecting rod (forged)with replaceableflnish-bored shells 6 Finned cyllnder(grey cast Iron,separately removable) 7 Generator 8 V-bell driving generator and cooling blower 9 V-belt pulley 10 Lube oll pump 10 12 Cut-away view of Engine F2L 912/W 11 Front cover 12 Safety valve in fube oll filler 13 Lube oil fltter wlth cartridge 14 Crankshaft (lorged steel) 15 Crankease(cast Iron) 16 Flywheel with rlng gear 17 Camshaft 18 Tappet 19 Pushrod 20 Cyllnder head cover 21 Rocker arm Figure 2 1 Oll sump 2 Intake plpe 3 Lube oll pump 4 Dellvery line 5 OIl filter with cartrldge(In maln flow) 6 Oil port to 3rd crankahaft bearlng 7 Oil port to oll cooler 8 Oll cooler(dependlng on version) 9 Oll port to 2nd crankshat bearing,to valve operatlng gear and for pislon coollng10 Oil port to 1st crankshaft bearing 11 Meln bearlng 12 Blg-end bearlng 6 -3 20 Lube Oil Circuit F2L 912/W 14 Camshaft bearing 13 Spray nozzle for plston coollng 15 Oll gallery to tappels 16 Tappet(wIth groove for impulse lubrlcatlonof rocker arms) 17 Pushrod (hollow,for oll flow to rocker arms) 18 Rocker arm bearlng 19 Pushrod cover tube(for oll return from cylinderhead to crankcase) 20 OI1 pressure gauge 21 OIl drain plug of lube oll flter body 22 Maln oll draln plug Note This Instruction Manual applies both to engine F2L912(with direct injection)and engine F2L912W(with two-stage combustion system). The difference of the two systems and their operationis dealt with in the sections „Specification Data",„Star

FAQs

What should be done before putting a new DEUTZ engine into service?

Read the instruction booklet carefully before putting the engine into service. The manual emphasizes correct compliance with operating and maintenance instructions.

What is the difference between F2L912 and F2L912W?

F2L912 uses direct injection, aimed at high power output with minimal space needs. F2L912W uses a two-stage combustion system to minimize nuisance caused by exhaust gases.

Where should repairs and genuine spare parts be obtained?

Repairs should be handled by repair shops displaying the DEUTZ sign, where properly trained mechanics and essential special-purpose tools are available. Genuine spare parts are identified by the DEUTZ quality symbol.

Oct 28, 2026

Upload by Grenda