PREVOST X3-45 COMMUTER User Manual

SECTION 01 : ENGINE
18
DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual Section 01 revised Jan 2021
• Continuous With Vehicle Lowered
Lower the vehicle enough to access all
components.
 Engine Compartment R.H. side
1. Disconnect cables from chassis grounds.
2. Inside the engine compartment, disconnect
starter, alternators and heater cables. Also
disconnect AFSS cable.
3. Disconnect from engine, connector C397
and vehicle interface harness connector
located above EECU connectors. Also
disconnect DPF cable.
4. Disconnect power steering pump hoses.
5. Close engine fuel supply shut-off valve on
fuel filter. Disconnect the fuel line located
above fuel filters and connected to the inlet
port.
6. Disconnect fuel return line from bulkhead
fixed on the engine cylinder head end.
7. Loosen nut ‘’A’’.
8. Loosen nut ‘’B’’ then use screw ‘’C’’ to
remove tension in belts. Remove belt.
FIGURE 13: BELT REMOVING
9. Remove the A/C compressor clutch assembly
(item A in Figure 14), refer to MI18-37 at the
end of section 22 Heating and air conditioning
for the procedure How to remove and install
the A/C compressor clutch assembly.
FIGURE 14: CLUTCH ASSEMBLY REMOVAL
10. Remove both nuts
‘’B’’.
11. Remove the
compressor mounting bolts (4) then move the
compressor out. Do not unplug connectors,
hoses or pipes.
FIGURE 15: COMPRESSOR MOUNTING BOLTS
12. At the back of the air
cleaner, disconnect the engine-air intake duct

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