PREVOST X3-45 COMMUTER User Manual

SECTION 05: COOLING SYSTEM
DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual First release Oct 2020
29
Torque all brackets to specified torque.
TORQUE: 9 lb-ft (12 Nm)
NOTE
Reinstallation of the cooling components as a
complete assembly is recommended.
- Install fan shroud on the cooling pack frame
then install complete assembly to vehicle
structure.
24. Lay the cooling pack horizontally at working
height (use large workbench or sawhorses)
exterior face pointing up.
25. Install fan shroud in position over the cooling
pack (make sure the lower hinge is correctly
assembled with plastic bushing in place)
(Figure 40).
FIGURE 40: FAN SHROUD POSITIONING
26. Loosely install the hinges.
27. Lock the shroud in place using the two
latches.
28. Adjust the shroud in its final position (release
tension on the latches as required).
• There should be no gaps between the hinge
pivot point and the plastic bushing (upper &
lower hinges Figure 41).
FIGURE 41: SHROUD HINGES INSTALLATION
• The bottom of the shroud should fit flat
(parallel) against the shroud lower support
(Figure 42).
FIGURE 42: FAN SHROUD PARALLEL TO SUPPORT
29. Tighten hinges and hold down bolts.
TORQUE: 68 lb-in (8 Nm)
30. Put back the cooling assembly in its vertical
position on a small lift table.
31. Reinstall the upper CAC and radiator pipe
sections (including bracket and hardware
Figure 43).
FIGURE 43: RADIATOR & CAC UPPER PIPES

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