BENDIX BW2047 User's Manual
Contents
1. gius ine Bendix OFTHE CURVE GENUINE BENDIX NO CUTTING CORNERS Face it Ih todays economy everyone wants to lower costs The question is are you willing to compromise safety and performance to save a few bucks Are you willing to risk downtime by buying knockoffs When you buy Genuine Bendix new and remanufactured parts you know youre getting the most dependable braking and control systems made Youre getting the valve systems specd the vast majority of OE brake engineers If they choose Bendix why in the world wouldn t you Remember they specd Bendix as part of a braking system If you use a B knockoff you could throw the whole system off spec a And besides Genuine Bendix parts actually save you money 3 when you factor in the high cost of extra maintenance downtime and the shorter product life of knockoffs But Geniune Bendix parts not only save you money they save your sanity by giving you peace of mind As the industry leader we don t meet standards we set them We provide powerful warranties and we stand behind them And we have a dedicated service team and an extensive network in place ready to respond to your needs whenever and wherever you lt need us When you buy knockoffs you don t know what youre getting And you cant be sure your brakes will perform when you need them 5o unless you enjoy being stranded on the side of the road we suggest you take a minute to learn more ab2. a few bucks One day a customer brought his truck in because the brakes werent feeling right After an inspection Dan determined the problem was a worn out relay valve Dan usually buys Genuine Bendix valves but a parts dealer friend of his had been bugging Dan to try knockoffs for a while Dan gave it a try And then the trouble started Dan installed the new knockoff relay valve but the brakes still would not operate According to Dan When you buy a new valve you assume the ports are clear and the valve will be in top condition That s because Dan was used to using Genuine Bendix valves Dan kept making adjustments and rechecking the lines Finally after an hour or so he discovered that the valves control port wasnt drilled all the way through I had to use a small screwdriver to punch out the blockage Not exactly precision engineering huh Dan s next move was directly to a different parts dealer to get a Genuine Bendix valve It went in easily and worked the first time Dan said But all is not well that ends well Dan and his customer both lost over hours And Dan knows that if he hadn t been so thorough in his inspection of the knockoff he might have sent his customer back on the road with only 20 percent of his braking capability scary thought for Dan his customer and everyone else on the highway Dan sums it up this way From now on Genuine Bendix are the only valves I ll use ONE KNOC
3. KOFF VALVE CAN KNOCK YOUR WHOLE BRAKE SYSTEM OFF SPEC Your brakes are a system not a set of individual parts And that system has been carefully designed by OE engineer In fact your service brake control valves foot valves relay valves and quick release valves have all been designed to work together to deliver balanced even air pressure to your brakes If you replace one valve with a knockoff that doesn t work right the whole system can go out of spec This isnt a theoretical engineering problem it can be a real world problem By putting your system out of spec you actually risk braking performance and stopping ability Here s what can happen the mismatched valve can cause uneven air pressure to your brakes which increases brake lining temperatures In fact as little as a 2 psi differential in brake threshold pressure can result in 200 F increase in the brake lining temperature in city driving and possibly higher in hilly terrain The increased temperature can cause a lining to wear twice as fast as another 5 linings And a higher temperature can lead to brake fade which can put you in danger of not being able to stop when you need to And that s a problem for you and everyone else on the road All because you tried to save a few bucks on a valve If you want more evidence of the dangers of mismatching service brake control valves call 1 800 1 800 247 2725 following the syste
4. m prompts press option 2 then option Well be happy to send you a technical paper on the subject Stay on the road not stuck on the side of it When you buy Genuine Bendix new and remanufactured parts you know youre getting the most dependable braking and control systems made With Bendix valves you know you are getting a premium product and premium performance because Bendix valves are built to meet the highest engineering standards FOR MORE INFORMATION ON OUR COMPLETE L CALL YOUR BENDIX ACCOUNT CALL US DIRECT 1 800 AIR BRAKE 800 247 2725 OR ROF PRODUCTS TS SIT WWW BENDIX C Bendix Commercial Vehicle Systems LLC 901 Cleveland Street Elyria Ohio 44038 BW2047 2002 Bendix Commercial Vehicle Systems LLC a member of the Knorr Bremse group Printed i 0802 10M
5. out Genuine Bendix parts You ll quickly realize that if you want to cut corners brakes aren t the place to do it 4 TAKE CLOSER THE GENUINE BENDIX E 6 VALVE COMPONENT THE KNOCKOFF E 6 VALVE COMPONENT At 2 000 000 durability cycles equal to roughly At only 450 000 durability cycles one million highway miles excessive uneven surface wear good valve alignment still maintained severe scoring on the sealing surface uniform wear pattern Result High air leakage Possible vehicle sidelined even contact of sealing area for seal durability THE GENUINE BENDIX E 6 RELAY PISTON THE KNOCKOFF E 6 RELAY PISTON At 2 000 000 durability cycles At only 450 000 durability cycles still meets all original OE specifications premature broken and cracked parts heavy surface abrasion the piston bore Result Unpredictable primary pressure delivery Significant leakage and system imbalance Poor vehicle brake performance THE GENUINE BENDIX QUICK RELEASE VALVE THE KNOCKOFF QUICK RELEASE VALVE At 2 000 000 durability cycles At only 450 000 durability cycles near new condition torn diaphragm valve functioning per specification leaked supply air to atmosphere Result High air leakage Possible vehicle sidelined Poor vehicle brake performance THE STORY OF THE CHEAPER VALVE AND THE LOST DAY This is the true story of how Dan the owner of a brake service shop in L A learned the high cost of saving
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