Diesel Particulate Filter Assembly Removal - PREVOST H3-41 Maintenance Manual

SECTION 04 : EXHAUST AND AFTERTREATMENT
FIGURE 3: DIESEL OXIDATION CATALYST (DOC) & DIESEL PARTICULATE FILTER (DPF) ASSEMBLY
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
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
regeneration must be undertaken outdoors
only.
PA1615 Maintenance Manual All Series | Section 04 revised September 2016
10
initiating stationary
garage. Stationary
3.1 DIESEL PARTICULATE
ASSEMBLY REMOVAL
To remove the DPF, proceed as follows:
CAUTION
External and internal temperatures remain hot
long after engine has been shutdown. Allow
the Exhaust Aftertreatment System to cool
before handling. Wear protective clothing and
glove while servicing.
1. First, Access the engine compartment
2. Put insulating blanket aside;
3. Disconnect pressure, NOx and temperature
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.
04016
FILTER