POWER TRAIN TMS700E SERVICE MANUAL
7-18 Published 01-29-2015, Control # 512-01
AFTERTREATMENT DIESEL EXHAUST
FLUID (DEF)
DEF Tank
Description
This engine uses a Selective Catalytic Reduction (SCR)
system. SCR is a technology that uses a urea based DEF
and a catalytic converter to significantly reduce oxides of
nitrogen (NOx) emissions.
The DEF tank incorporates a fluid level sending unit and a
heating element to keep the DEF from freezing.
Removal
1. Tag and disconnect the electrical connectors on the DEF
tank.
2. Tag and disconnect the fluid lines on the tank.
3. Remove the hardware holding the tank straps in place.
4. Remove the tank.
Installation
1. Place the DEF tank onto the location on the frame.
2. Place the tank straps around the tank and secure with
the hardware.
3. Connect the fluid lines as tagged during removal.
4. Connect the electrical connectors as tagged during
removal.
7932
6786
3
4
2
1
5
DEF Tank
1. DEF Tank
2. Electrical Connectors
3. DEF Fluid Connectors
4. Tank Strap Mounting Hardware
5. Tank Straps
Reference Only
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