3-4L43C, 3-4M43, 3-4M43Z
Maintenance
HATZ
81
Manual
Procedure
Step
Activity
1
Undo the cap nut (3) of the differential pressure line. Carefully
pull off the differential pressure line, take care with the sealing
dome (9).
2
Loosen the V-band clamp (5) of the discharge funnel, remove
the discharge funnel (4) from the diesel particulate filter.
3
Loosen the V-band clamp (7) of the diesel particulate filter.
4
Loosen the retaining foot clamp (6) and remove the diesel par-
ticulate filter (1).
5
Remove the cord packings (8) from the diesel particulate filter.
6
Fit new cord packings on the new/conditioned diesel particu-
late filter.
7
Reinstall the diesel particulate filter, discharge funnel and dif-
ferential pressure line in reverse order.
NOTE:
The installation direction of the diesel particulate filter is deter-
mined by the design.
Only tighten the retaining foot clamp fully at the end.
8.2.17 Check the fuel evaporator (vaporizer) and clean if necessary.
Safety notes
DANGER
Danger of explosion due to fuel mist.
There is a danger of explosion from the fuel-air mixture.
▪
Do not clean the fuel evaporator in the vicinity of open
flames and hot surfaces.
▪
Do not smoke when cleaning the fuel evaporator.
CAUTION
Danger of burns.
During the regeneration process, the diesel particulate filter and
the exhaust system become very hot. There is a danger of burns
when working on a hot exhaust system.
▪
Let the diesel particulate filter and exhaust system cool
down.
▪
Wear safety gloves.
