Drain and Flush Diesel Exhaust Fluid (DEF) Tank

1. CAUTION:

   
   N102635-UN-01MAR13

   A - Drain Plug

   Avoid contact with eyes. In case of contact, immediately flush eyes with large amounts of water for a minimum of 15 minutes. Reference the Materials Safety Data Sheet (MSDS) for additional information.

   IMPORTANT: If DEF is spilled or contacts any surface other than the storage tank, immediately clean the surface with clear water. DEF is corrosive to painted and unpainted metallic surfaces and can distort some plastic and rubber components.

   Spilled DEF, if left to dry or if only wiped away with a cloth, will leave a white residue. Aside from cosmetic issues, an improperly cleaned DEF spill may interfere with diagnosis of Selective Catalytic Reduction (SCR) system leakage problems.

   NOTE: DEF should be crystal clear with a light ammonia smell. If DEF appears cloudy, has a colored tint or has a profound ammonia smell, it is likely not within specification. DEF in this condition should not be used.

   DEF tank capacity is 29.5 L (7.8 gal.).

   Remove drain plug (A), catch DEF in a suitable container.

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2. Rinse tank using NEW DEF.

3. Reinstall drain plug.

4. Fill tank.

5. Test DEF concentration. (See Testing Diesel Exhaust Fluid (DEF) in Fuels, Lubricants and Coolants section of this manual.)

6. Repeat procedure until DEF concentration is within specification.

   Item	Measurement	Specification
   Diesel Exhaust Fluid	Concentration	31.8—33.2 %

7. Replace DEF dosing filter. (See Replace Diesel Exhaust Fluid (DEF) Dosing Filter—4500 Hours or Three Years in Lubrication and Maintenance section.)

IMPORTANT: If system fails to operate properly after flushing contact your John Deere dealer for further service.