SECTION 04 : EXHAUST AND AFTERTREATMENT
DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual Section 04 revised March 2021
• Secure DPF
appropriate tie-down type strap.
• Loosen V-
band clamp holding DOP to
DPF.
• Lower and pull back to remove DPF from
bus.
6. Unfasten clamps holding DOC and DPF
assembly;
7. Carefully lower DOC and DPF assembly;
8. 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 filtration 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.
9. Also replace V-band clamps and gaskets
when replacing DPF filtration cartridge;
When replacing the DPF cartridge, refer to the
specifications on the DPF attached tag for
proper replacement DPF selection.