Draining Diesel Exhaust Fluid Tank - MacDon M2170 Operator's Manual

4. Fill the tank with approved DEF. For specifications, refer to the inside back cover.
IMPORTANT:
DEF is corrosive. Spilled DEF must be contained and absorbed by non-combustible absorbent material like sand, and
then shovelled into a suitable container for disposal. If DEF is spilled on any surface of the vehicle, rinse that surface
thoroughly with water.
IMPORTANT:
If the windrower temperature is below 0°C (32°F), do NOT fill the DEF tank more than 75% full. When freezing, the DEF
fluid will expand by approximately 7%. For storage information, refer to
5. Replace filler cap (A) and turn it clockwise until tight.

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 the DEF is
spilled on the 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.
262170
MAINTENANCE AND SERVICING
Figure 5.16: DEF Tank
Figure 5.17: DEF Tank – View from beneath Tank
369
5.1.1 Storing Lubricants and Fluids, page
A
353.
B
Revision A