MAINTENANCE
Page 95
7. Secure the DPF bracket to the chassis frame
bracket and tighten all fasteners to
specification.
87
Figure 87 — Supporting DPF with Transmission Jack
8. Remove the transmission jack from under
the assembly.
9. Install the pressure differential sensor tube
that connects to the outlet module and
tighten fitting to specification.
A high-temperature anti-seizing compound
should always be applied to the threads of the
sensors, plugs and fittings in the exhaust system
to avoid component seizure or corrosion.
10. Install the lines and sensors connecting the
various modules to each other. Refer to
torque specifications for the V-band clamp
screws, lines and sensors in the
SPECIFICATIONS section of this manual.
88
Figure 88 — DPF Connections
11. Install the fairing (if equipped), braces and
steps that were removed to permit access.
12. Using Premium Tech Tool (PTT), ensure all
soot trigger levels are reset back to zero.
VERTICAL BACK-OF-CAB UNIT
The components reach high temperatures
during use. Ensure that the unit has cooled to
the touch before handling. Failure to heed this
warning may result in severe personal injury.
Removal
1. Remove the heat shield, stack, harness
clamps, tie straps and V-band clamp at the
exhaust elbow.
2. Disconnect all harness connectors.
3. Using a suitable lifting device, support the
assembly. Remove the band clamps and
mounting bracket from the stanchion.
89
Figure 89 — Supporting DPF Assembly
4. Remove the assembly from the chassis and
place it in the VBOC DPF support stand,
85111327, or equivalent.
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