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SUBJECT
DATE
GHG14 DEF Pump Pressure Relief Valve
May 2012
Additions, Revisions, or Updates
Publication Number / Title
Platform
Section Title
Change
Removal of the Diesel Exhaust Fluid Pump
Pressure Relief Valve
DDC-SVC-MAN-0083
DD Platform
New sections
Installation of the Diesel Exhaust Fluid Pump
Pressure Relief Valve
All information subject to change without notice.
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Copyright © 2012 DETROIT DIESEL CORPORATION
3
2 Removal of the Diesel Exhaust Fluid Pump Pressure Relief Valve
2
Removal of the Diesel Exhaust Fluid Pump Pressure Relief Valve
Removal as follows:
1. The outer area of the Diesel Exhaust Fluid (DEF) pump module must be free of dirt and any contaminants before removing
the valve.
2. Remove the plug screw (3) from the DEF pump module (1).
3. Use a ¼ in fine thread bolt (UNF) (2) to remove the pressure relief valve (4).
4. Thread the ¼ bolt into the rear of the pressure relief valve and pull to remove.
4
All information subject to change without notice.
Copyright © 2012 DETROIT DIESEL CORPORATION
5 11-12
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3
Installation of the Diesel Exhaust Fluid Pump Pressure Relief Valve
Install as follows:
1. Press the new pressure relief valve into the DEF pump.
2. Install the plug screw, torque to 5 N·m (44 lb·in.).
All information subject to change without notice.
5 11-12
Copyright © 2012 DETROIT DIESEL CORPORATION
5
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