214733
331
Revision A
5.12.2
DEF Supply Module Filter
The supply module filter is designed to prevent debris that may be suspended in the diesel exhaust fluid (DEF) from
entering the dosing system. Permanent damage to
–
and premature failure of
–
the DEF supply module can result from
fluid debris.
Checking the Dosing Unit Filter
1015730
A
Figure 5.117: DEF Dosing Unit
1.
Locate the aftertreatment diesel exhaust fluid (DEF) supply
module (A) on the inside of the right platform by the engine
oil dipstick.
1015731
A
Figure 5.118: DEF Dosing Unit Filter Cap
2.
Inspect the area around the seal and vent of the
aftertreatment DEF dosing unit filter cap (A) for signs of
leakage.
3.
DEF fluid leaves a white deposit when dry. If there is
evidence of leaking, remove the supply module filter, clean
and inspect before replacing. For instructions, refer to
Cleaning and Inspecting the Supply Module Filter, page 334
.
Summary of Contents for M1170
Page 3: ...Declaration of Conformity 1026635 214733 Revision A ...
Page 4: ...1026636 214733 Revision A ...
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Page 287: ...214733 271 Revision A 5 5 5 Electrical System Module Layout MAINTENANCE AND SERVICING ...
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Page 289: ...MAINTENANCE AND SERVICING Module Locations 1024956 A B C D E F G H J 214733 273 Revision A ...
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