Draining Diesel Exhaust Fluid Tank - MacDon M1170NT5 Operator's Manual

3. Place a container under plug (A). The fuel tank holds
518 liters (137 gallons) total.
4. Loosen plug (A), and drain the tank.
5. Add some clean fuel to tank to flush out any remaining
contaminants.
NOTE:
Do NOT refill the fuel tank if you need to work on the
system. Refill the tank when work is completed. For
instructions, refer to Filling Fuel Tank, page

5.15.3 Draining Diesel Exhaust Fluid Tank

The diesel exhaust fluid (DEF) tank must be drained when the DEF is contaminated or if storing the windrower for a period
greater than 6 months.
DANGER
To prevent bodily injury or death from the unexpected startup of the machine, always stop the engine and remove the
key from the ignition before leaving the operator's seat for any reason.
1. Shut down the engine, and remove the key from the ignition.
2. Place a drain pan under DEF tank (B). The drain pan should
be large enough to hold 49 liters (13 U.S. gallons).
IMPORTANT:
Spilled DEF must be contained and absorbed by non-
combustible absorbent material like sand and then
shovelled into a suitable container for disposal. If spilled on
tank or any surface of the vehicle, rinse thoroughly with
water as DEF is corrosive.
CAUTION
Avoid contact with eyes. In case of contact, rinse immediately
with water for 15 minutes.
3. Remove drain plug (A) from under tank (B) and drain the
DEF tank.
4. Add some distilled water to tank (B) to flush out remaining
contaminants.
5. Drain the distilled water that was used to clean the tank.
6. Reinstall drain plug (A) into tank (B).
7. Refill the DEF tank. For instructions, refer to
NOTE:
Do NOT refill the tank if storing it for 6 months or longer.
215922
MAINTENANCE AND SERVICING
116.
Figure 5.166: Drain Plug
Figure 5.167: View from beneath Tank
Filling Diesel Exhaust Fluid Tank, page
337
A
A
246.
B
Revision A