New Holland T4.75 Service Manual page 69

33. If it was necessary to remove the DPF support, pro-
ceed as follows:
1 – Mount the upper support (1) on the right-hand one
(2) with the three Allen screws.
2 – Mount the left-hand support (5) securing it to the
engine with the three lower screws.
3 – Mount the assembly of the supports (1) and (2) to
the engine with the four screws in position (3), respect-
ing the reference marks made when dismantling.
4 – Secure the support (5) to the support (1) with the
two upper screws with the two adjustment bushings.
5 – Mount the support (4) to the engine with the two
lower screws. Fasten the three left-hand screws to
the support (5) and with the two upper screws to the
support (1).
34. Refit the DPF filter assembly. Return the entire unit
into position. Fasten the four fixing screws of the as-
sembly to the cradle.
Observation:
If, after refitting the DPF filter, you find a slight mis-
alignment with the axis of the turbine, it is possible to
make a correction. On the two screws fixing the filter
to the cradle there are two threaded bushings (2) held
in position by a grub screw (1).
Loosen the grub screw with an Allen key. Tighten
or loosen the bushing by the amount necessary to
correct the misalignment. Retighten the grub screw.
Secure the support.
35. Tighten the clamp (4). Fix the filter to the bottom cra-
dle using the four screws (5). Reconnect all of the
sensors.
ATTENTION: The filter outlet union DPF (1) at its terminal (2) has a decoupler that responds to temperature variations
by changing length.
A small misalignment of the axis of the decoupler with respect to the axis of the turbine outlet (3) would produce
an adjustment that would no longer be lengthwise, in line with the direction of the tractor, but abnormal transversal
adjustment that would impair its durability.
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