PREVOST X3-45 COMMUTER User Manual

SECTION 12: BRAKE AND AIR SYSTEM
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DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual Section 12 revised Jan 2021
Antilock Modulator
Make .............................................................................................................................................. Bendix
Model ........................................................................................................................................... M-32QR
Pressure Protection Valve
Make .............................................................................................................................................. Bendix
Model ................................................................................................................................................ PR-4
Nominal closing pressure ................................................................................................ 70 psi (482 kPa)
Prevost number ............................................................................................................................. 641137
Pressure Reducing Valve
Make .............................................................................................................................................. Bendix
Model ................................................................................................................................................ RV-3
Inversion Valve
Make .............................................................................................................................................. Bendix
Model ....................................................................................................................................... TR-2, TR-3
Inline Quick Release Valve
Make .............................................................................................................................................. Bendix
Model ................................................................................................................................................ QR-L
Shuttle-Type Double Check Valve
Make .............................................................................................................................................. Bendix
Model ................................................................................................................................................ DC-4
Air Pressure Regulator
Make .............................................................................................................................................Norgren
Adjustable output range ................................................................................ 0-80/85 psi (0-552/586 kPa)
Air Filter Element
Make .............................................................................................................................................Norgren
Front Axle Brake Chambers
Make ................................................................................................................................... Knorr-Bremse
Type .............................................................................................................................................. 24-inch
Drive Axle Brake Chambers
Make ................................................................................................................................... Knorr-Bremse
Type ..........................................................................................24-inch as service -24-inch as emergency
Tag Axle Brake Chambers
Make ................................................................................................................................... Knorr-Bremse
Type .............................................................................................................................................. 16-inch
Brake Lining (All Axles)
Make ................................................................................................................................... Knorr-Bremse

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