User manual BENDIX AD-9 AIR DRYER

[. . . ] Bendix® AD-9TM Air Dryer OUTER SHELL OUTER SHELL END COVER END COVER CONTROL PORT CHECK VALVE ASSEMBLY DELIVERY PORT DELIVERY PORT WIRING HARNESS CONNECTION SUPPLY PORT WIRING HARNESS CONNECTION CONTROL PORT SUPPLY PORT CHECK VALVE ASSEMBLY EXTENDED PURGE AD-9TM AIR DRYER STANDARD AD-9TM AIR DRYER FIGURE 1 - AD-9TM AIR DRYER MODELS DESCRIPTION The function of the AD-9TM air dryer is to collect and remove air system contaminants in solid, liquid and vapor form before they enter the brake system. It provides clean, dry air to the components of the brake system which increases the life of the system and reduces maintenance costs. Daily manual draining of the reservoirs is eliminated. The AD-9TM air dryer consists of a desiccant cartridge and a die cast aluminum end cover secured to a cylindrical steel outer shell with eight cap screws and nuts. [. . . ] Use of Standard or Extended Purge AD-9TM Air Dryer Use the following guidelines: Total Vehicle Reservoir Volume LOCATING AD-9TM AIR DRYER ON VEHICLE 1. The AD-9TM air dryer must be mounted vertically (purge exhaust toward road surface) outside the engine compartment in an area of air flow while the vehicle is in motion. The AD-9TM air dryer must not be exposed to direct wheel splash (located behind axle mud flap is acceptable). Locate the AD-9TM air dryer as close to the first (supply) reservoir as possible. Do not locate the AD-9TM air dryer near heat producing components such as the vehicle exhaust and make certain adequate clearance from moving components (e. g. drive shaft, suspension, pitman arm, etc. ) is provided. Locate the AD-9TM air dryer on vehicle so that a minimum of 11 inches (28 cm) clearance below the end cover is available to allow servicing. Alternatively, provide access to the bracket bolts so the unit may be removed for servicing. When choosing the mounting location for the AD-9TM air dryer, note the discharge line length requirements stated under the heading Connecting the Air Lines, elsewhere in this instruction sheet. Important Note: Under normal operating conditions, the maximum inlet air temperature for the AD-9TM air dryer is 160 degrees Fahrenheit. Requirement Less than 9, 000 cu. Standard AD-9TM Air Dryer 9, 000 - 12, 500 cu. Extended Purge AD-9TM Air Dryer Greater than 12, 500 cu. or Bendix Engineering VEHICLE PREPARATION 1. Park the vehicle on a level surface and prevent movement by means other than the brakes. (0 kPa). MOUNTING THE AD-9TM AIR DRYER 1. To install the lower mounting bracket on the AD-9TM air dryer, it will be necessary to remove and discard two of the end cover bolts and lock nuts. To determine which end cover bolts to utilize to attach the lower bracket, take into consideration the piping connections required to install the AD-9TM air dryer and use those that will best LOWER BRACKET SLEEVE NUT MOUNTING BRACKET STRAP MOUNTING BRACKET SADDLE 2-1/8" END COVER EXTRA LONG BRACKET CAP SCREW SPECIAL WASHER ge Ima nge Cha FIGURE 9 - LOWER BRACKET INSTALLATION 5/16" CAP SCREW FIGURE 10 - UPPER MOUNTING BRACKET AND STRAP 11 CONTROL (HIDDEN) GOVERNOR UNLOADER PORT SUPPLY DELIVERY COMPRESSOR CON SAFETY VALVE RESERVOIR #1 10 AMP - 12V 5 AMP - 24V FUSE SUP DEL TO RESERVOIR #2 14 GA WIRE TO IGNITION & GROUND FIGURE 11 - AD-9TM AIR DRYER CHARGE CYCLE position the unit for ease of installation. Locate the bracket such that it cradles the end cover as shown in Figure 9. Utilizing the two 2-3/8" long cap screws, lock nuts and special washers provided with the AD-9TM air dryer retrofit unit, attach the lower mounting bracket and torque to 270-385 in. Assemble the mounting strap and upper mounting bracket as illustrated in Figure 10, by utilizing the 5/16" cap screw (25) and sleeve nut (28). Place the upper bracket assembly onto the shell of the AD-9TM air dryer and orient it so that it bears entirely on the cylindrical surface and does not extend onto the domed top. The slot spacing between the upper and lower bracket should be a minimum of 5. 5 inches apart. [. . . ] of Spec'd Axles Column 2 Discharge Line I. D. Length Column 3 Recommended Air Dryer Cartridge Replacement1 Column 4 Recommended Reservoir Drain Schedule 2 Column 5 Acceptable Reservoir Oil Contents3 at Regular Drain Interval Vehicle Used for: Low Air Use Compressor with less than 15% duty cycle 1/2 in. Bendix® Tu-Flo® 550 air compressor 6 ft. Recommended Every Month Max of every 90 days e. g. Line haul single trailer w/o air suspension, air over hydraulic brakes. Compressor with up to 25% duty cycle 5 or less For oil carry-over control4 suggested upgrades: 5/8 in. [. . . ]