Moxy MT 31 - Chapter 1 Index

SHOP MANUAL MT26-31 - 06.2005
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
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