BENDIX TCH-007-006 User's Manual
Contents
1. mandrel and is constructed using wrapped layers of fabric for reinforcement Type B is a non mandrel built hose constructed using braided plies of synthetic core for reinforcement Historically hose was made over a mandrel until the mid 1960s when the non mandrel method came into existence At that time the industry elected to separate the two manufacturing processes into A and B the B being the new hose Since its introduction type B has proved to be equal in performance and life to type A and has become the predominant hose Manufacturing processes are naturally more efficient on non mandrel hose that results in improved cost effectiveness Considering the facts that the two hose types are identical in performance and use the same fittings conversion from A to B should not present any problems Changeover List From Type A to Type B Air Brake Hose OVERALL LENGTH IN DIMENSIONS LENGTH DIMENSION PC NO 285496 600 277546 3 8 LD 600 235998 161 600 289376 7n6 iD 600 HOSE ASSEMBLY CRIMP TYPE FIXED amp SWIVEL F 3 8 LD 8 LD I 8 LD LD TTINGS D D2. Technical Bulletin Bulletin No PRO 07 06 Effective Date 1 1 95 Cancels N A Page 1 of 3 Subject Type B Air Brake Hose Standardization and Obsolescence of Type A Air Brake Hose AlliedSignal Truck Brake Systems Co is standardizing on type B air brake hose Consequently effective January 1 1995 all type A hose and hose assemblies will no longer be available This change will be made for all diameters of bulk hose and hose assemblies For your reference technical information on both hose types and a changeover list from currently available type A to type B are attached If you have any questions please contact your account manager or customer service representative Technical Comparison Between Type A and Type B Brake Hose A and B are AlliedSignal Truck Brake Systems Co designations SAE J 1402 no longer classifies air brake hose according to types A B etc Both A and B hose are flexible oil resistant synthetic rubber covered and cloth reinforced They are both suitable for use in vehicle air systems within a temperature range of 40 F to 212 F Typical applications include air lines from chassis to axle tractor to trailer trailer to trailer or any other location requiring hose flexibility and durability Both types meet all requirements of DOT FMVSS 106 They have the same basic dimensions and accept the same fittings The fundamental difference between types A and B is that A is built over a solid
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