© Copyright Mahindra and Mahindra Ltd. 052016
11-33
If the DEF warning lamp turns on due to dosing malfunction, see
your authorised M&M dealer to have this repaired. Failure to
repair the system may cause the engine start restriction.
11.19 Recommendations on DEF
DEF conforming to ISO 22241-1 is commercially available in
containers of various capacities. Also an individual DEF container
may have specific design of filler neck. They may need filler pipe for
filling DEF in vehicle. While using DEF refill container, instructions of
its manufacturer must be followed.
It is unlawful to tamper with or remove any component of the
after treatment system. It is also unlawful to use a DEF that
does not meet the specification provided or to operate the
vehicle without DEF
• Diesel exhaust fluid (DEF) must comply with ISO 22241-1
standard. There is no acceptable substitute. Failure to use
the correct DEF may cause engine damage and/or void the
warranty.
• Never attempt to create Diesel Exhaust Fluid (DEF) by mixing
agricultural grade urea with water. Agricultural grade urea
does not meet the necessary specifications required and the
after treatment system may be damaged.
• Total DEF quantity inside the DEF Tank should never be more
than 16.0 liter. Overfilling may result in system/component
failure.
• To avoid system/component failures resulting out of
impurities present in DEF, only fresh DEF should be filled.
• DEF quality and purity can be ensured only if it is stored and
contained properly. Hence ensure that instructions given by
DEF manufacturer/supplier have been met, before using
DEF in the system.
• Do not add additives to DEF and do not dilute with water.
Otherwise, the exhaust gas after treatment system could be
damaged.
• While refilling DEF inside tank, be careful not to allow any
foreign particles, liquids, wiping paper/clothing fibers or lint
to get inside the system. These may clog or damage the
system.
• Before using containers, funnels, etc. that will be used to
dispense, handle or store DEF, make sure to wash them
thoroughly and dry to remove any contaminants and then
rinse with distilled water.
• Do not use tap water to rinse components that will be used
to deliver DEF. Tap water will contaminate the DEF. If distilled
STARTING AND DRIVING THE VEHICLE
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