PREVOST H3-41 Maintenance Manual page 455

SECTION 12: BRAKE AND AIR SYSTEM
25. SPECIFICATIONS
Air Compressor
Make .........................................................................................................................................Meritor Wabco
Model .................................................................................................................................................... SS636
Capacity (at 1250 rpm) .............................................................................................37.4 cfm (1,059 m /min.)
3
Air Dryer
Make .........................................................................................................................................Meritor Wabco
Model ......................................................................................................................................... System Saver
Cut in pressure ..................................................................................................................................... 122 psi
Cut-out pressure................................................................................................................................... 140 psi
Flip-Flop Control Valve
Make ..................................................................................................................................................... Bendix
Model ...................................................................................................................................................... TW-1
Type ..................................................................................................................................................... On-Off
Emergency/Parking Brake Control Valve
Make ..................................................................................................................................................... Bendix
Model ....................................................................................................................................................... PP-1
Automatic release pressure .................................................................................... 60 psi (414 kPa) nominal
Dual Brake Application Valve
Make ..................................................................................................................................................... Bendix
Model ..................................................................................................................................................... E-10P
Spring Brake Valve
Make ..................................................................................................................................................... Bendix
Model ....................................................................................................................................................... SR-1
Pressure Protection Valve
Make ..................................................................................................................................................... Bendix
Model ....................................................................................................................................................... PR-4
Nominal closing pressure ...................................................................................................... 70 psi (482 kPa)
Prevost number ................................................................................................................................... 641137
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
Type ................................................................................................................................... With manual drain
Front Axle Brake Chambers
Make .......................................................................................................................................... Knorr-Bremse
Type .................................................................................................................................................... 24-inch
PA1621 Maintenance Manual All Series | Revised June 2020 51