PREVOST X3-45 COMMUTER User Manual

Mi14-01E Page 13 / 38 Rev: Oct 2021
Engine compartment emergency air-fill valve
An additional emergency fill valves is available to supplement the air system when air pressure is low and
the engine cannot be operated. This valve is located in the engine compartment (Figure 23) and supplies
air for all systems (brakes, suspension and accessories).
Figure 23: ENGINE COMPARTMENT EMERGENCY AIR-FILL VALVE
2.1.2 Mechanical release of the emergency/parking brake
The emergency/parking brake can be released
mechanically if for some reasons it cannot be released
pneumatically.
1. Turn the release bolt (26) with the help of an open-
ended spanner 24 mm A/F in an anti-clockwise
direction (torque max. 45 Nm) until the brake is
released.
Do not use an impact wrench
Figure 24: TURN THE RELEASE BOLT (26)

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