INSTALLATION
MANUAL
© Scania CV AB 2018, Sweden
01:07 Issue 17 en-GB 2
Changes from the previous issue............................................................................ 3
SCR and reductant..................................................................................................3
Vibration limits ................................................................................................... 3
System overview – Stage V .....................................................................................4
System overview of mechanics ........................................................................... 4
System overview of electrics............................................................................... 5
Exhaust pipe ........................................................................................................ 6
Components – Stage V ............................................................................................9
Particulate filter unit............................................................................................ 9
Differential pressure sensor............................................................................... 12
SCR unit ............................................................................................................ 14
Exhaust gas temperature sensor ........................................................................ 18
NOx sensor........................................................................................................ 18
System overview – Stage IV/Tier 4f and Stage III B/Tier 4i .............................20
System overview of mechanics ......................................................................... 20
System overview of electrics............................................................................. 21
Exhaust pipe ...................................................................................................... 22
Components – Stage IV/Tier 4f and Stage III B/Tier 4i ....................................25
Oxidation catalytic converter ............................................................................ 25
Evaporator ......................................................................................................... 26
Hydrolysis catalytic converter........................................................................... 29
SCR catalytic converter..................................................................................... 31
Exhaust gas temperature sensor ........................................................................ 32
NOx sensor........................................................................................................ 32
Reductant tank ......................................................................................................35
Tank volumes .................................................................................................... 36
Dimensions........................................................................................................ 37
Position ............................................................................................................. 39
Mounting........................................................................................................... 41
Connecting the reductant tank .......................................................................... 44
Ventilation ........................................................................................................ 48
Available lengths of reductant hoses ................................................................ 49
Coolant connections on the engine................................................................... 50
Warnings and torque reduction for Stage V ...................................................... 51
Reaction at low reductant level......................................................................... 52
Reaction to faults in the exhaust gas aftertreatment system. ............................ 53
Regeneration of the particulate filter ................................................................ 54
Warnings and torque reduction for Stage IIIB/IV/Tier 4i/Tier 4f................... 55
Reaction at low reductant level......................................................................... 55
Reaction to fault in SCR system....................................................................... 56
Periodic hydrocarbon evaporation for Stage IV/V/Tier 4f engines ................. 57
Engines without exhaust brake ......................................................................... 58
Engines with exhaust brake .............................................................................. 58
Important data ...................................................................................................... 59
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