SHOP MANUAL
Engine
Ch 1 page 2
Chapter 1
Engine
Index
Engine identification .............................................................................. 7
Removal of engine assembly .............................................................. 11
Lifting the engine .........................................................................................................................17
XPI Fuel system DA30/40 .................................................................... 18
Route of the fuel on 9 and 13 litre engines .................................................................................19
Fuel filter and water separation ................................................................................................... 20
Overflow valve ............................................................................................................................. 21
Fuel system components ............................................................................................................22
Schematic diagram of the fuel system: .......................................................................................22
Important information about the fuel ..........................................................................................23
Exhaust system XPI ............................................................................. 24
Introduction System overview .....................................................................................................24
Control system for exhaust gas aftertreatment ...........................................................................25
Control unit EEC3 .......................................................................................................................33
System overview for mechanics .................................................................................................. 34
System overview for electrics ......................................................................................................35
Ad blue filter change ...................................................................................................................36
Reductant doser ..........................................................................................................................37
Reductant pump, function ...........................................................................................................39
Start-up instruction for new SCR Pump ......................................................................................40
Fuel system Tier2 (PDE) ..................................................................... 42
Schematic diagram of the fuel system Tier2 ...............................................................................42
Overflow valve ............................................................................................................................. 42
General .......................................................................................................................................43
FUEL ........................................................................................................................................... 43
Temperature dependency of the Fuel .........................................................................................44
Fuel filter .....................................................................................................................................45
Changing the fuel filter ................................................................................................................45
Water separating prefilter XPI ....................................................................................................46
changing the water separating fuel filter .....................................................................................46
Bleeding the fuel system ............................................................................................................. 47
Feed pump ..................................................................................................................................49
Diagnostic prosedure .......................................................................... 50
Use of diagnostic kit, Tier 2 ........................................................................................................50
Connection point Can pc VCU + Testman .................................................................................. 50
Can bus overview .......................................................................................................................50
Connection point SDP3 Scania dagnostic ..................................................................................51
Renewing the control unit ............................................................................................................52
Removing the ECU wiring Tier2 ................................................................................................53
Cylinder head - PDE System Tier2 ..................................................... 57
Cylinder head, parts view. PDE Tier2 .........................................................................................57
Special tools ................................................................................................................................58
Valve mechanism ........................................................................................................................59
Dismantling ................................................................................................................................64
Renewing the valve stem seal .....................................................................................................64
Replacement of valve seats ........................................................................................................65
Machining the valve seats insert .................................................................................................66
Renewing the valve guides ........................................................................................................68
Renewing PDE unit injector sleeves ...........................................................................................69
Assembly ....................................................................................................................................70
Fitting ..........................................................................................................................................70
Common rail Injectors Tier4/XPI ......................................................... 71
Cylinder head - XPI system Tier4 ........................................................ 72
Cylinder head, parts view. XPI system Tier4 ............................................................................... 72
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