PREVOST X3-45 COMMUTER User Manual

SECTION 03 : FUEL SYSTEM
DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual First release Oct 2020
9
CAUTION
Fuel in the old filter must absolutely not be
poured into the new filter. This kind of
contaminated fuel can damage the unit
injectors.
6. Prime the fuel system by pumping the hand
priming pump on the fuel filter housing until
resistance is felt indicating that the system is
full of fuel.
7. Start the engine and carry out a
fuel-tightness check. Let the engine run for
about 5 minutes to remove air pockets from
the fuel system.
2.4 FUEL PUMP REMOVAL AND
INSTALLATION
The pump is located underneath the air
compressor and is accessible through the engine
compartment R.H. access door.
To remove the pump, proceed as follows:
• Clean around the fuel pump and fuel lines.
Position a container to catch any fuel that
might drain from the pump or lines.
• Remove the fuel pump.
NOTE
Only unfasten the bolts marked with arrows.
FIGURE 9: FUEL PUMP REMOVAL
CAUTION
Ensure to clean around the head of the bolts.
Debris will prevent the tool from fitting properly
and cause damage to the fasteners.
• Check that the adapter and fuel pump drive
axle are not damaged.
• Install the fuel pump. Torque-tighten bolts to
specification.
TORQUE: 6-7 lb-ft (8-9 Nm)
FIGURE 10: FUEL PUMP DRIVE AXLE
NOTE
Use a new sealing ring. Check that the fuel
pump drive axle sits correctl
y in the power
steering pump.
• Using the hand primer on the fuel filter
housing, prime the fuel system.
• Start the engine and let run for 5 minutes.
Make sure that there are no leaks.

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