MacDon M1240, Operator'S Manual

Page: 307 / 488

MAINTENANCE AND SERVICING
5.11.2 DEF Supply Module Filter
The supply module fi lter is designed to prevent debris that may be suspended in the diesel exhaust fl uid (DEF)
from entering the dosing system. Permanent damage to and premature failure of the DEF supply module can
result from
fl uid debris.
Checking the Supply Module Filter
1. Locate the aftertreatment diesel exhaust fl uid (DEF)
supply module (A) on the inside of the right platform
by the engine oil dipstick.
Figure 5.95: DEF Supply Module
2. Inspect the area around the seal and vent of the
aftertreatment DEF supply module fi lter cap (A) for
signs of leakage.
3. DEF fl uid leaves a white deposit when dry. If there is
evidence of leaking, remove the supply module fi lter,
clean and inspect before replacing. For instructions,
refer to
Cleaning and Inspecting the Supply Module
Filter, page 297 .
Figure 5.96: DEF Supply Module Filter Cap
Removing the Supply Module Filter
WARNING
Batteries can emit explosive gases. To reduce the possibility of personal injury, always ventilate the
compartment before servicing the batteries. To reduce the possibility of arcing, remove the negative (-)
battery cable
fi rst and attach the negative (-) battery cable last.
WARNING
Diesel Exhaust Fluid (DEF) contains urea. Do NOT get the substance in your eyes. In case of contact,
immediately
fl ush eyes with water for a minimum of 15 minutes. Do NOT swallow. In the event the DEF is
ingested, contact physician immediately.
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