BENDIX BW2263 User's Manual
Contents
1. Bendix AF 3 In Line Filter DELIVERY SCREEN SPRING SD 08 2401 1 4 NPT 1 4 NPT DELIVERY SUPPLY DIRECTIONAL ARROW INDICATES AIR FLOW FIGURE 1 AF 3 IN LINE FILTER SECTIONAL AND EXTERIOR VIEW DESCRIPTION GENERAL The AF 3 in line filter assembly is designed to prevent foreign material from entering the control port of the Trailer ABS modulator or spring brake relay The filter body is made of steel with an internal screen elementof stainless steel held in place by aspring The filteris capable of removing particles 0 012 inches in size or larger The filter has a 1 4 NPT female supply port and a 1 4 NPT male delivery port Note Ifthe filter is installed in the reversed direction its filtering capability will be reduced WARNING PLEASE READ AND FOLLOW THESE INSTRUCTIONS TO AVOID PER SONAL INJURY OR DEATH When working on or around a vehicle the following general precautions should be observed at all times 1 Park the vehicle on a level surface apply the park ing brakes and always block the wheels Always wear Safety glasses 2 Stop the engine and remove ignition key when working under or around the vehicle When work ing in the engine compartment the engine should be shut off and the ignition key should be removed Where circumstances require that the engine be in operation EXTREME CAUTION should be used to prevent personal injury resulting from contact with moving2. All rights reserved 5 2004 Printed in U S A
3. rotating leaking heated or electri cally charged components Do not attempt to install remove disassemble or assemble a component until you have read and thoroughly understand the recommended proce dures Use only the proper tools and observe all precautions pertaining to use of those tools If the work is being performed on the vehicle s air brake system or any auxiliary pressurized air sys tems make certain to drain the air pressure from all reservoirs before beginning ANY work on the vehicle If the vehicle is equipped with an AD IS air dryer system or a dryer reservoir module be sure to drain the purge reservoir 5 Following the vehicle manufacturer s recom mended procedures deactivate the electrical sys tem in a manner that safely removes all electrical power from the vehicle 6 Never exceed manufacturer s recommended pres sures 7 Never connect or disconnect a hose or line con taining pressure it may whip Never remove a com ponent or plug unless you are certain all system pressure has been depleted 8 Use only genuine Bendix replacement parts com ponents and kits Replacement hardware tubing hose fittings etc must be of equivalent size type and strength as original equipment and be de signed specifically for such applications and sys tems 9 Components with stripped threads or damaged parts should be replaced rather than repaired Do not attempt repairs requiring machining or weld ing u
4. he tractor build system pressure and make a light brake application Caution Pressurized debris can cause bodily injury be sure the area around the trailer is vacated before performing this operation CONTROL PORT Figure 2 Trailer Antilock Modulator 4 Apply thread sealant do not use Teflon tape to the male threads of the control line and the AF 3 in line filter 5 Install the filter in the control port of the ABS modulator or spring brake relay valve Torque the filter body in place to approximately 10 pound feet 6 Connect the control line to the supply port of the AF 3 in line filter OPERATIONAL AND LEAKAGE TESTS Apply the brakes and hold 20 psi pressure to the line Apply a soap solution to the threads to check for leakage Aone inch bubble in 5 seconds is permitted Repair any excessive leaks Perform the Service Check before placing the vehicle in service SERVICE CHECK Apply and release air pressure to the control line containing the filter The AF 3 in line filter should allow delivery and exhausting of the pressure without any noticeable delay in service brake response Adelay can be identified by making a service brake application and viewing the actuator push rods Adelay may indicate foreign material is presentin the control line preventing the proper flow of air If a delay is found clean or replace the AF 3 in line filter BW2263 2004 Bendix Commercial Vehicle Systems LLC
5. nless specifically stated and approved by the vehicle and component manufacturer 10 Prior to returning the vehicle to service make certain all components and systems are restored to their proper operating condition PREVENTIVE MAINTENANCE Because no two vehicles operate under identical conditions maintenance intervals will vary Experience is a valuable guide in determining the best maintenance interval for a vehicle As a recommended minimum every 12 months 100 000 miles or 3 600 operating hours perform the Operational and Leakage Tests noted below Inspect the filter for unrestricted airflow and blockage from debris collection Remove the filter assembly and clean as needed Ifthe unit cannot be cleaned of debris replace the filter There are no serviceable parts within the assembly SERVICING AND CLEANING 1 Identify the control line to the trailer ABS modulator or spring brake relay valve Disconnectthe controlline and remove the filter from the control port 2 With the AF 3 in line filter removed apply shop air to the delivery port of the filter to clean the debris from the filter screen NOTE Disassembly reassembly of the AF 3 in line filter is not recommended If an assembly does not meet the Operational and Leakage Tests it should be replaced with a new AF 3 in line filter 3 Cleanthe contaminants from the control line by applying shop air to the control line at the gladhand If the trailer is connected to t
Download Pdf Manuals
Related Search