John Deere 400 6076 Diesel Engine Component Technical Manual PDF (EN)

Series 400 6076 Diesel Engines Serial Number (500000- ) D C T C T M 4 2 2 4 M A R 9 5 COMPONENT TECHNICAL MANUAL рЙкбЙл=QMM=SMTS=абЙлЙд=bеЦбеЙл=рЙкб~д kмгДЙк=ERMMMMMJ=F `qjQO=EOQj^oVRF=====bеЦдблЬ Deere Power Systems Group CTM42 (24MAR95) LITHO IN U.S.A. ENGLISH

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Introduction FOREWORD This manual is written for an experienced technician. Essential tools required in performing certain service work are identified in this manual and are recommended for use. necessary instructions to repair the component. Operation and tests sections help you identify the majority of routine failures quickly. Information is organized in groups for the various components requiring service instruction. At the beginning of each group are summary listings of all applicable essential tools, service equipment and tools, other materials needed to do the job, service parts kits, specifications, wear tolerances, and torque values. Live with safety:

Read the safety messages in the introduction of this manual and the cautions presented throughout the text of the manual. N This is the safety-alert symbol. When you see this symbol on the machine or in this manual, be alert to the potential for personal injury. Use this component technical manual in conjunction with the machine technical manual. An application listing in the introduction identifies product-model/component type-model relationship. See the machine technical manual for information on component removal and installation, and gaining access to the components. Component Technical Manuals are concise service guides for specific components.

Component technical manuals are written as stand-alone manuals covering multiple machine applications. Fundamental service information is available from other sources covering basic theory of operation, fundamentals of troubleshooting, general maintenance, and basic type of failures and their causes. This manual is divided in two parts: repair and operation and tests. Repair sections contain CTM42 (24MAR95) 6076 Diesel Engines—S.N. (500000— ) DX,CTMIFC -19-22MAY92 160101 PN=3

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Dealer Presentation Sheet JOHN DEERE DEALERS IMPORTANT: The changes listed below make your current CTM obsolete. Discard CTM42, dated 02 NOV 92. Please copy this page and route through your service department. • Recommendation against disassembly of the engine oil pump added to Group 20. • Instructions for installation of structural front frame/oil sump on engines used in 8000 series tractors added to Group 20. • Engine application charts updated to include the latest product models. See ENGINE APPLICATION CHART in Group 01. • Information and specifications for fan drive assembly with press-fit fan spacer added to Group 25. • Engine coolant information revised.

See ENGINE COOLANT RECOMMENDATIONS in Group 02. • Torque specifications for turbocharger oil inlet line added to Group 30. • Recommendation to use ONLY JDG23 Lifting Sling and Deere provided lifting straps for lifting engines. Also recommend the use of SAE Grade 8 or higher grade cap screws and Loctite 242 when installing engine lifting straps added to Group 03. • Information to help identify A-Series and P-Series fuel injection pumps and fuel supply pumps added to Group 35. • Instructions for disassembly and assembly of the fuel check valve deleted from Group 35. The check valve has been replaced by a non-serviceable assembly.

• New “TORQUE-TO-YIELD” instructions for tightening cylinder head cap screws marked “SPECIAL” added to Group 05. • Valve lift specifications revised in Group 05 and Group 16. • In Group 100 — Engine Tune-Up and Break-In, the paragraph titled ALTITUDE COMPENSATION GUIDELINE changed to EFFECTS OF TEMPERATURE AND ALTITUDE ON ENGINE PERFORMANCE. • Piston ring end gap specifications for new pistons have been added to Group 10. • In Group 105, the recommended temperatures and engine speeds for checking engine oil pressure revised. The procedure to pressure test the cooling system and radiator cap also revised.

• A revised (longer) JDG681A Tap for cleaning deeper tapped cylinder head cap screw holes in block added to Group 10. • Use of JDG796 Alignment Tool for installing crankshaft rear oil seal housing added to Group 15. • Dynamic timing procedure using TIME TRAC ® timing kit to accurately check and adjust (rotary) injection pump-to-engine timing added to Group 115. • Detailed instructions for inspection of the vibration damper and the crankshaft dowel pin added to Group 15. • Instructions and specifications for check and adjustment of the fuel shut-off solenoid added to Group 115.

• Timing gear cover and rear oil seal housing replacement procedures for 6076HRW33, 34, and 35 Engines (equipped with structural front frame/oil sump), with engine installed in vehicle added to Group 15. • Instructions for changing 6076 generator set engines with mechanical governor from rated speed of 1800 RPM (60 Hz) to 1500 RPM (50 Hz) added to Group 115. • Camshaft lobe lift specifications and valve lift specifications revised in Group 16. TIME TRAC ® is a registered trademark of Stanadyne Automotive Corp. RG,CTM42,DPS -19-21MAR95 CTM42 (24MAR95) 6076 Diesel Engines—S.N. (500000— ) 160101 PN=4

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ABOUT THIS MANUAL This component technical manual covers the recommended repair procedure for 6076, 7.6 L (466 cu. in.) diesel engines produced in Waterloo, Iowa beginning with Engine Serial No. (500000— ). Direction of engine crankshaft rotation in this manual is referenced facing the flywheel looking toward the fan. Front of engine is fan drive end. Some components of this engine may be serviced without removing the engine from the machine. Refer to the specific machine technical manuals for information on components that can be serviced without removing the engine from the machine and for engine removal and installation procedures.

Before beginning repair of an engine, clean the engine and mount on a repair stand. (See Group 03 - Engine Mounting.) Read each module completely before performing any service. RG,CTM42,G0,1 -19-14FEB95 CTM42 (24MAR95) 6076 Diesel Engines—S.N. (500000— ) 160101 PN=5

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