PREVOST X3-45 COMMUTER User Manual

SECTION 04 : EXHAUST AND AFTERTREATMENT
DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual Section 04 revised March 2021
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residual fuel that might be in the line in a
suitable container.
CAUTION
Do not kink the line. Kinking the line may
result in leakage.
Remove the aftertreatment hydrocarbon injector
mounting fasteners. Remove the aftertreatment
hydrocarbon injector from the diffuser pipe
(which attaches to the turbocharger outlet).
Clean the sealing surface on the diffuser pipe
before mounting the aftertreatment hydrocarbon
injector.
FIGURE 21: AFTERTREATMENT HYDROCARBON
DOSER
Install the new aftertreatment hydrocarbon
injector and new gasket onto the diffuser pipe
(which attaches to the turbocharger outlet) and
tighten the fasteners.
TORQUE: 120-130 lb-in (14-15 Nm)
FIGURE 22
NOTE
The fasteners already include pre-applied
high-temperature anti-seize compound.
3. Connect the line to the aftertreatment
hydrocarbon injector. Tighten the line fitting.
TORQUE: 177-213 lb-in (20-24 Nm)
FIGURE 23
4. Install the P-clamp and fasteners to secure
the line to the mounting bracket on the
diffuser pipe.
5. Start the engine, build air to operating
pressure. Start the service regeneration
process. When fuel dosing starts, check for
leaks starting on the hot side of the engine.
Clear any diagnostic trouble codes, if
needed.
NOTE
If fault tracing was performed using Guided
Diagnostics, return to Guided Diagnostics for
repair verification.

PREVOST X3-45 COMMUTER Specifications

General

Engine	Volvo D13
Transmission	Allison B500
Fuel Type	Diesel
Length	45 ft (13.7 m)
Width	102 in (2.6 m)
Horsepower	500 hp
GVWR	54, 000 lbs
Height	141 in