PLATE AS 4839859 - Caterpillar

Dosing Control Cabinet
Illustration 1 g03541367
Diesel Exhaust Fluid (DEF) dosing control cabinet (1) Engine harness (2) Main DEF tank harness (3) CEM harness (4) Power to cabinet (5) DEF to injector (6) Air to injector (7) Air supply to cabinet (9) DEF return to main tank (10) DEF supply from main tankDosing Control Cabinet Interior Components
Illustration 2 g03540080
Control Cabinet interior (1) Connector A-C9 (J1) (2) Connector A-C1 (J2) (3) SCR system ECM (4) Cabinet air temperature sensor (5) Power converter (6) Local CAN resistor (7) DEF pump heater (8) Global CAN resistor (9) Refer to illustration 3
Illustration 3 g03541146
Detail view front of control cabinet (1) DEF tank heater breaker (2) Pump breaker (3) Terminal block (AC power) (4) Terminal block (AC power) (5) Terminal block (ground) (6) DEF pressure sensor (7) Air assist pressure sensor (8) DEF main tank return valve (solenoid) (9) DEF main tank return valve (pneumatic) (10) DEF manifold heater (11) DEF manifold (12) DEF manifold temperature sensor (13) Air pressure regulator (14) Air assist valve (solenoid) (15) Relay for DEF manifold heater (16) Connector for CEM (A-C3) (17) Connector for engine (A-C2) (18) Connector for tank (A-C13) (19) Relay for electrical supply side of heated DEF line (20) Relay for electrical return side of heated DEF lineClean Emissions Module (CEM) for the Progress Rail
Illustration 4 g03507672
Top side view (1) Pressure measurement location (after DOC) (2) Pressure measurement location (before DOC) (3) Temperature measurement location (Outlet #2) (4) NOx measurement location (Outlet #2) (5) Temperature measurement location (Intake #2) (6) NOx measurement location (Intake) (7) Temperature measurement location (Intake #1) (8) Pressure measurement location (after DOC) (9) Pressure measurement location (before DOC) (10) Temperature measurement location (Outlet #1) (11) NOx measurement location (Outlet #1) (12) Intake #1 NOx sensor assembly (13) Outlet #2 NOx sensor assembly (14) Outlet #1 NOx sensor assembly (15) Sensor assembly for temperatures and differential pressure (16) Sensor assembly for temperatures and differential pressure