Engine Tier-3 710655- Ch 1 page 2 Chapter 1 Engine Index Removal of engine assembly................................................................. 5 Lifting the engine.........................................................................................................................11 Engine identification............................................................................ 12 Fuel system...........................................................................................
13 Schematic diagram of the fuel system.........................................................................................13 Overflow valve..............................................................................................................................13 General........................................................................................................................................14 FUEL............................................................................................................................................14 Fuel filter......................................................................................................................................15 Water separating prefilter.............................................................................................................15 Feed pump...................................................................................................................................17 Diagnostic prosedure...........................................................................
18 Use of diagnostic kit, machine.....................................................................................................18 Measurement...............................................................................................................................21 Ecom standard settings code......................................................................................................24 Engine control unit, ECU......................................................................
27 Wiring and cable duct..................................................................................................................28 Throttle position sensor...............................................................................................................28 Positions of sensors for ECU.......................................................................................................29 Diagnostic lamp and switch.........................................................................................................31 Fault codes..................................................................................................................................32 How to read fault codes from the ECU control unit......................................................................33 Flash codes tables.......................................................................................................................35 Overview of flash codes for coordinator.......................................................................................37 Renewing the control unit............................................................................................................39 Removing the ECU wiring...........................................................................................................40 Cylinder head........................................................................................
44 Special tools................................................................................................................................44 Cylinder head, parts view.............................................................................................................45 Valve mechanism.........................................................................................................................46 Dismantling .................................................................................................................................51 Renewing the valve stem seal.....................................................................................................51 Replacement of valve seats.........................................................................................................52 Machining the valve seats insert..................................................................................................53 Renewing the valve guides.........................................................................................................55 Renewing PDE unit injector sleeves............................................................................................56 Assembly ....................................................................................................................................57 Fitting...........................................................................................................................................57 PDE Injectors.........................................................................................
58 Fitting the PDE injector................................................................................................................58 Adjusting unit injectors.................................................................................................................62 Adjusting the valve clearance and unit injectors..........................................................................64 Checking, adjusting the PDE32 injector rocker arms (I)..............................................................65 Turbocharger.........................................................................................
67 General .......................................................................................................................................68 Special tools................................................................................................................................69 Measuring radial clearance and axial clearance .........................................................................70 Renewing the turbocharger.........................................................................................................72 Continuation next page SHOP MANUAL MT26-31 - 06.2005