freightliner 108SD 2021 - Page 169

02/01/2011 f490449
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1. ATD
2. Mixer Tube
3. DEF Injector
4. NOx Sensor
5. SCR Outlet Temperature
Sensor
6. SCR Inlet Temperature Sensor
7. SCR Catalyst
8. DOC Inlet Temperature Sensor
9. DPF Inlet Temperature Sensor
10. DPF Inlet Pressure Sensor
11. DPF Outlet Temperature
Sensor
12. DPF Outlet Pressure Sensor
Fig. 4, Cummins Switchback Understep ATS (with Sensor Locations)
Exhaust49
108SD and 114SD Maintenance Manual, December 201549/6