PREVOST X3-45 COMMUTER, Maintenance Manual

Page: 65 / 549

SECTION 04: EXHAUST AND AFTERTREATMENT SYSTEM
DOB 2490-2789 | X3-45 Commuter PA1605 Maintenance Manual (Final Version – Rev.2 April 2016)
1
CONTENTS
1. EXHAUST AND 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 .............................................................................................................................. 6
3.1 R
EMOVAL
.......................................................................................................................................................... 6
3.2
ASSEMBLING CATALYTIC CONVERTER
....................................................................................................................... 7
4. DIFFUSER ASSEMBLY .................................................................................................................................. 9
4.1
DIFFUSER ADJUSTMENT
........................................................................................................................................ 9
4.2 MAINTENANCE .............................................................................................................................................. 9
5. DIESEL EXHAUST FLUID (DEF) TANK AND INJECTION SYSTEM ...................................................................... 10
5.1
DIESEL EXHAUST FLUID
....................................................................................................................................... 10
5.2
DEF TANK CLEANING
.......................................................................................................................................... 11
5.3 PUMP ASSEMBLY FILTER ELEMENT REPLACEMENT ..................................................................................... 11
6. AFTERTREATMENT FUEL INJECTOR ............................................................................................................. 12
6.1
REPLACEMENT
.................................................................................................................................................. 12
7. TORQUE SPECIFICATIONS ........................................................................................................................... 14
8. SECTION CHANGE LOG ............................................................................................................................... 17
ILLUSTRATIONS
FIGURE 1: EXHAUST SYSTEM ................................................................................................................... 2
FIGURE 2: FLEXIBLE COUPLING ............................................................................................................... 3
FIGURE 3: DIESEL OXIDATION CATALYST (DOC) & DIESEL PARTICULATE FILTER (DPF) ............... 4
FIGURE 4: TAKING DOC AND DPF APART ............................................................................................... 5
FIGURE 5: CATALYTIC CONVERTER ........................................................................................................ 6
FIGURE 6: DIFFUSER ASSEMBLY ............................................................................................................. 9
FIGURE 7: DIFFUSER POSITION ADJUSTMENT ...................................................................................... 9
FIGURE 8: DEF TANK AND PUMP LOCATION ........................................................................................ 10
FIGURE 9: AFTERTREATMENT FUEL INJECTOR .................................................................................. 13
FIGURE 10: FUEL LINE FITTING .............................................................................................................. 13
FIGURE 11: TORQUE SPECIFICATIONS ................................................................................................. 14
FIGURE 12: TORQUE SPECIFICATIONS ................................................................................................. 14
FIGURE 13: TORQUE SPECIFICATIONS ................................................................................................. 15
FIGURE 14: TORQUE SPECIFICATIONS ................................................................................................. 15
FIGURE 15: TORQUE SPECIFICATIONS ................................................................................................. 16
FIGURE 16: TORQUE SPECIFICATIONS ................................................................................................. 16