SECTION 04: EXHAUST AND AFTERTREATMENT SYSTEM
PA1593
5
7. To make sure components are reinstalled in
the same position, mark position of DOC,
DPF and V-band clamps in relation with one
another before taking apart;
CAUTION
FRAGILE - HANDLE WITH CARE
Use extreme care when handling DPF
cartridge as it could be damaged or destroyed
by dropping or sudden impact.
Clean remanufactured DPF cartridge will be
available on an exchange basis. For this
reason, it is very important to maintain the
cartridge in perfect condition. Damaged
cartridge may not be refunded.
8. Also replace V-band clamps and gaskets
when replacing DPF filtration module;
NOTE
When replacing the DPF cartridge, refer to the
specifications on the DPF attached tag for
proper replacement DPF selection.
FIGURE 4: TAKING DOC AND DPF APART
9. Always put DOC and DPF filtration module
back together again in a vertical position to
facilitate gaskets positioning;
For proper DPF assembly installation, inlet
and outlet alignment is important. When
reassembling the DPF, a straight edge must
be used to align inlet and outlet.
10. Torque V-band clamps to 20 lbf-ft;
CAUTION
Always torque clamps by hand.
11. With a rubber mallet, hit clamps forcefully
around circumference to make sure gasket
is fully seated;
12. Support Diesel Oxidation Catalyst (DOC)
and Diesel Particulate Filter (DPF) assembly
during reinstallation;
13. Reconnect pressure, NOx and temperature
sensors;
14. Fasten straps holding DOC and DPF
assembly;
15. Put insulating blanket back.
3. CATALYTIC CONVERTER
In the first instance, the catalytic converter of the
Selective Catalytic Reduction (SCR) does not
need any maintenance. Unless an accident or
damage occurs in the vicinity of the engine
compartment; the catalytic converter will not
have to be replaced.
However if the catalytic converter must be
replaced, use one of the two following
procedures:
3.1 REMOVAL
Procedure # 1
Radiator must be removed in order to lower the
catalytic converter for replacement.
To Next Page
Loading...
