PREVOST X3-45 COMMUTER User Manual

SECTION 03 : FUEL SYSTEM
8
DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual First release Oct 2020
2.3 SECONDARY FUEL FILTER
A secondary fuel filter is installed on the engine.
This filter consists of a spin-on filter cartridge.
2.3.1 Secondary Fuel Filter Replacement
CAUTION
Secondary fuel filters on GHG17
engines
Do not install pre-GHG17 fuel filters on GHG17+
engines (including this vehicle OBD20 engine).
Although the thread pitch is the same, these
filters do not fit and may cause serious issues
with the fuel system.
Refer to Impact for the appropriate fuel filters
part numbers.
ALUMINUM PARTICLES ON THE FILTER RESTRICTOR
(FUEL FILTER HOUSING)
ALUMINUM PARTICLES FOUND ON A PRE-GHG17
FILTER CAUSED BY GRINDING OF THE TOP OF THE
FILTER INTO THE FILTER RESTRICTOR
Difference between secondary fuel filter end
caps
PRE-
GHG17 END CAP
DESIGN
GHG17 END CAP DESIGN
WITH DEEP GROOVE
1. Stop engine, close the fuel supply line shut-
off valve. Place an appropriate container
under the fuel filter housing.
2. Clean around sealing area on fuel filter and
housing.
3.
Unscrew and remove
the secondary fuel filter
from the fuel filter
housing.
4. On the new filter, apply clean engine oil to
the inner & outer seals. Do not install
pre-GHG17 fuel filters on GHG17 engines.
FIGURE 8: SECONDARY FUEL FILTER
5. Screw the new fuel filter in place. Rotate
clockwise until the seal contacts the base.
Then rotate clockwise another 1/2 - 3/4 turn.

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