Instructions for the Bendix Air Disc Brake Pad and Rotor Gauge Tool ® Be sure to follow the General Safety Guidelines on pages one and two of this document for vehicle preparation. read pad wear here (either side) indicator Line indicator Line rotor measurement ROTOR sLIDING jAW READ the rOTOR THICKNESS HERE temporary rotor measurement locks FIGURE 1 - pad and rotor wear gauge tool GEnERAl sAFETY GUIDElInEs WARnInG! PlEAsE READ AnD FOllOW ThEsE InsTRUcTIOns TO AVOID PERsOnAl InJURY OR DEATh: When working on or around a vehicle, the following guidelines should be observed AT All TIMEs: ▲ Park the vehicle on a level surface, apply the parking brakes and always block the wheels. Always wear personal protection equipment. ▲ stop the engine and remove the ignition key when working under or around the vehicle. When working 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 moving, rotating, leaking, heated or electrically-charged components. ▲ Do not attempt to install, remove, disassemble or assemble a component until you have read, and thoroughly understand, the recommended procedures. 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 systems, make certain to drain the air pressure from all reservoirs before beginning AnY work on the vehicle. If the vehicle is equipped with a Bendix® AD-Is® air dryer system, a Bendix® DRM™ dryer reservoir module, or a Bendix® AD-9si® air dryer, be sure to drain the purge reservoir. ▲ F o l l o w i n g t h e v e h i c l e m a n u f a c t u r e r ’s recommended procedures, deactivate the electrical system in a manner that safely removes all electrical power from the vehicle. ▲ never exceed manufacturer’s recommended pressures. ▲ never connect or disconnect a hose or line containing pressure; it may whip and/or cause hazardous airborne dust and dirt particles. Wear eye protection. slowly open connections with care, and verify that no pressure is present. never remove a component or plug unless you are certain all system pressure has been depleted. ▲ Use only genuine Bendix ® brand replacement parts, components and kits. Replacement hardware, tubing, hose, ﬁttings, wiring, etc. must be of equivalent size, type and strength as original equipment and be designed speciﬁcally for such applications and systems. ▲ components with stripped threads or damaged parts should be replaced rather than repaired. Do not attempt repairs requiring machining or welding unless speciﬁcally stated and approved by the vehicle and component manufacturer. ▲ Prior to returning the vehicle to service, make certain all components and systems are restored to their proper operating condition. ▲ For vehicles with Automatic Traction control (ATc), the ATc function must be disabled (ATc indicator lamp should be On) prior to performing any vehicle maintenance where one or more wheels on a drive axle are lifted off the ground and moving. ▲ The power MUsT be temporarily disconnected from the radar sensor whenever any tests UsInG A DYnAMOMETER are conducted on a vehicle equipped with a Bendix® Wingman® system. ▲ You should consult the vehicle manufacturer's operating and service manuals, and any related literature, in conjunction with the Guidelines above. 1 WARnInG: not all wheels and valve stems are compatible with Bendix® Air Disc Brakes. Use only wheels and valve stems approved by the vehicle manufacturer to avoid the risk of valve stem shear and other compatibility issues. WARnInG: AVOID cREATInG DUsT. POssIBlE cAncER AnD lUnG DIsEAsE hAZARD. While Bendix spicer Foundation Brake llc does not offer asbestos brake linings, the long-term affects of some non-asbestos ﬁbers have not been determined. current Occupational safety and health Administration (OshA) Regulations cover exposure levels to some components of non-asbestos linings, but not all. The following precautions must be used when handling these materials. ▲ Avoid creating dust. compressed air or dry brushing must never be used for cleaning brake assemblies or the work area. ▲ Bendix recommends that workers doing brake work must take steps to minimize exposure to airborne brake lining particles. Proper procedures to reduce exposure include working in a well-ventilated area, segregation of areas where brake work is done, use of local ﬁltered ventilation systems or use of enclosed cells with ﬁltered vacuums. Respirators approved by the Mine safety and health Administration (MshA) or national Institute for Occupational safety and health (nIOsh) should be worn at all times during brake servicing. ▲ Workers must wash before eating, drinking or smoking; shower after working, and should not wear work clothes home. Work clothes should be vacuumed and laundered separately without shaking. ▲ OshA Regulations regarding testing, disposal of waste and methods of reducing exposure for asbestos are set forth in 29 code of Federal Regulations §1910.001. These Regulations provide valuable information which can be utilized to reduce exposure to airborne particles. ▲ Material safety Data sheets on this product, as required by OshA, are available from Bendix. call 1-800-247-2725 and speak to the Tech Team or e-mail email@example.com. 2 Vehicle Applications This pad and rotor gauge tool can only be used for Bendix® ADB22X Air Disc Brakes. Rotor Measurement See Figure 1. Slide the rotor measurement jaws until the rotor is held between them. Read the rotor thickness by the indicator against the gauge. (Use the temporary locks to hold the measurement, until the pad measurement is complete.) The gauge shows between 50 mm and 30 mm. New rotors will show 45 mm, and the replacement point is 37 mm. Pad Wear Measurement See Figure 2. FIGURE 2 - Insert the Pad and wear gauge Slide the long arm of the tool into the carrier-caliper assembly through one of the channels shown in Figure 2 and rest the end of the tool against the back of the brake pad. pad wear gauge slides to contact the machined surface FIGURE 3 - slide the Pad gauge against the machined surface of the brake See Figure 3. Slide the (smaller) sliding guide until it rests against the machined surface of the air brake housing. Read the remaining pad material measurement. The full range from 100% to zero is displayed. The two indicators to show the (a) wheels-off recommended inspection point, and (b) the Commercial Vehicle Safety Alliance (CVSA) Out-Of-Service limit. Always replace pads as an axle set. S-1640 © 2015 Bendix Spicer Foundation Brake LLC. 05/15. All Rights Reserved.
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