Converter Dolly Air Diagram
Air is delivered to the air dryer where water and a small amount of oil is removed.
Converter dolly air diagram. The dolly port control line valve is plumbed to the relay emergency valve or abs ecu to control the service brakes. You may also need. Converter dolly for nearly 30 years wabash national has been manufacturing high performance converter dollies for north america s leading less than truckload fleets. Service reservoir spring brake reservoir tr 5 pe 4 converter dolly brakes system schematic brake light power ignition power typical converter dolly.
Phone 602 253 1007 page 74 fax 800 222 2334 air system piping diagrams 121 trailer air systems tri axle trailer abs exempt 2 tanks 3 valves. Boost relay valve 12. Some changes in air line plumbing may be required. For each system the air pressurizes the reservoir and the.
Air brake handbook section page no. Usually a driver is quick to report this condition. The boost relay valve fitted to the front air reservoir of the dolly converter is a westinghouse r8 p relay valve. Tractor parking trailer charging parking and emergency systems tractor trailer parking and emergency systems 31 park control valves 31 dash control valves 32 tractor protection valves 33 trailer spring brake valves 34 35 section 5.
Convertor dolly brakes trailer converter dolly brakes 36 37. Sealco 110580 control line valve for multi axle trailers. Air spring suspensions loose u bolts in an air spring suspension can cause a new trailer to roll and sway. Extremely durable and corrosion resistant our dollies provide proven performance to withstand the most abusive operations.
The air compressor is the source of energy for the air brake system. Converter dolly 47 fundamentals of brakes 48 fundamentals of compressed air 52 air brake system balance 55 air brake system maintenance 57. United states 888 725 9355. One great portfolio with over 1 000 new and remanufactured components.
The mechanic should make doubly sure that trailer suspension fasteners including u bolts are properly tightened. Compressors components 409 dryers cartridges 420 exhaust brake 8 hoses fittings 466 reservoirs 12 valves 1231 product comparison. The dolly converter service relay valve functions in response to control air delivered from the boost relay valve located on the front air reservoir of the dolly converter. It is driven by the vehicle engine either by belt or drive gear and on.
Excessive play in an air spring suspension s front pivot. Air system piping diagrams converter dolly air systems single axle dolly charging system single axle dolly non charging system.