PREVOST X3-45 2016 - Page 59

SECTION 04: EXHAUST AND AFTERTREATMENT SYSTEM
PA1593
1
CONTENTS
1. EXHAUST AFTERTREATMENT SYSTEM OVERVIEW ...................................................................... 2
1.1 MAINTENANCE.............................................................................................................................. 2
1.2 FLEXIBLE COUPLING INSTALLATION ......................................................................................... 3
2. DIESEL PARTICULATE FILTER (DPF) ............................................................................................... 3
2.1 DIESEL PARTICULATE FILTER ASSEMBLY REMOVAL ............................................................. 4
3. CATALYTIC CONVERTER ................................................................................................................... 5
3.1 REMOVAL ...................................................................................................................................... 5
3.2 ASSEMBLING CATALYTIC CONVERTER .................................................................................... 7
4. DIFFUSER ASSEMBLY ........................................................................................................................ 8
4.1 DIFFUSER ADJUSTMENT ............................................................................................................. 8
4.2 MAINTENANCE.............................................................................................................................. 9
5. DIESEL EXHAUST FLUID (DEF) TANK AND INJECTION SYSTEM ................................................. 9
5.1 DIESEL EXHAUST FLUID ............................................................................................................ 10
5.2 DEF TANK CLEANING ................................................................................................................. 10
5.3 PUMP ASSEMBLY FILTER ELEMENT REPLACEMENT ............................................................ 11
6. AFTERTREATMENT FUEL INJECTOR ............................................................................................. 12
6.1 REPLACEMENT ........................................................................................................................... 12
7. TORQUE SPECIFICATIONS .............................................................................................................. 14
ILLUSTRATIONS
FIGURE 1: EXHAUST SYSTEM ............................................................................................................................. 2
FIGURE 2: FLEXIBLE COUPLING ......................................................................................................................... 3
FIGURE 3: DIESEL OXIDATION CATALYST (DOC) & DIESEL PARTICULATE FILTER (DPF) ASSEMBLY ........................... 4
FIGURE 4: TAKING DOC AND DPF APART ............................................................................................................. 5
FIGURE 5: CATALYTIC CONVERTER .................................................................................................................... 6
FIGURE 6: DIFFUSER ASSEMBLY ........................................................................................................................ 8
FIGURE 7: DIFFUSER POSITION ADJUSTMENT ...................................................................................................... 9
FIGURE 8: DEF TANK AND PUMP LOCATION ......................................................................................................... 9
FIGURE 12: AFTERTREATMENT FUEL INJECTOR ................................................................................................ 12
FIGURE 13: FUEL LINE FITTING ........................................................................................................................ 13