SECTION 04: EXHAUST AND AFTERTREATMENT SYSTEM
4
DOB 2490-2789 | X3-45 Commuter PA1605 Maintenance Manual (Final Version – Rev.2 April 2016)
FIGURE 3: DIESEL OXIDATION CATALYST (DOC) &
DIESEL PARTICULATE FILTER (DPF) ASSEMBLY
04016
WARNING
HOT EXHAUST
During stationary regeneration, exhaust gases
temperature may get very hot at the diffuser
outlet. Do not direct diffuser at combustible
materials. Before initiating stationary
regeneration, make sure that the diffuser
outlet is clear of objects and that no one is
working near the diffuser outlet. Stationary
regenerations must be undertaken outdoors
only.
Never
initiate regeneration when exhaust gas
collection system is in place.
WARNING
TOXICITY
Do not initiate a stationary regeneration in a
closed area like a garage.
Stationary
regeneration must be undertaken outdoors
only.
2.1
DIESEL PARTICULATE FILTER
ASSEMBLY REMOVAL
To remove the DPF, proceed as follows:
CAUTION
External and internal temperatures remain hot
long after engine has been shut down. Allow
the Exhaust Aftertreatment System to cool
before handling. Wear protective clothing and
glove while servicing.
1. First, open the engine compartment doors;
2. Put insulating blanket aside;
3. Disconnect pressure, temperature and NOx
sensors;
4. Support Diesel Oxidation Catalyst (DOC)
and Diesel Particulate Filter (DPF)
assembly;
CAUTION
HEAVY DEVICE
A suitable lifting or holding device is required.
Properly support and attach lifting equipment
to prevent the DOC and DPF assembly from
falling when servicing.
NOTE
PREVOST # 35606 SUPPORT TOOL USE
& INSTALLATION
Install tool to a suitable engine crane.
Position crane and support tool under
DPF assembly.
