PREVOST X3-45 COMMUTER User Manual

SECTION 05: COOLING SYSTEM
DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual First release Oct 2020
33
NOTE
T
o ease installation and ensure that the
bushings will not
move during reinstallation,
use masking tape to hold the inner bushings
to the lower support.
14. Install CAC on the vehicle and secure to the
lower support using both lower hex bolts,
washers and remaining plastic insulating
bushings.
TORQUE: 9 lb-ft (12 Nm)
WARNING
To prevent galvanic cor
rosion, the CAC is
electrically insulated from the support by the
use of plastic insulating bushings.
When reinstalling brackets, make sure the
plastic insulating bushings (two per bracket) &
washers (one per bracket) are present and in
good condition (replace as necessary).
After installation, check for proper insulation
(lack of conductivity) between support and
CAC body with a suitable ohmmeter or
continuity tester (buzzer).
15. Reinstall both (upper and lower) front frame
sections (Figure 52).
TORQUE: 9 lb-ft (12 Nm)
16. Secure upper support to the vehicle
structure.
FIGURE 52: CAC FRAME SECTIONS
17. Double check for lack of continuity between
CAC body and vehicle structure (see note at
the beginning of paragraph 11.4 for
reference).
18. Reconnect upper CAC pipe and tighten hose
clamps at both ends.
19. Reconnect lower CAC pipe.
20. Proceed to the fan shroud reinstallation
(refer to paragraph 11.3 earlier in this
section).
21. Set engine stop button to the ON position
(depressed) and start the vehicle.
22. Check for CAC leakage at the pipe
connections.

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