Service Manual

ISB, ISBe and QSB (Common Rail [...] Aftertreatment Diesel Exhaust Fluid Dosing Unit
Section 11 - Exhaust System - Group 11 Page 11-41
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Preparatory Steps
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 first and attach the negative (-)
battery cable last.
• Disconnect the batteries. Refer to the original
equipment manufacturer (OEM) service manual.
Remove
WARNING
DEF contains urea. Do not get the substance in your
eyes. In case of contact, immediately flush eyes with
large amounts of water for a minimum of 15 minutes.
Do not swallow. In the event the DEF is ingested,
contact a physician immediately. Reference the
materials safety data sheet (MSDS) for additional
information.
Disconnect the DEF pipework from the aftertreatment
nozzle and drain any excess DEF into a suitable
container. The fitting is a quick release fitting. To release,
press both sides of the fitting.
Connect the aftertreatment nozzle line to the air flow
meter, Part Number 5296510.