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western star truck body manualsUnzip the file, then view the.dxf Drawings with your CAD software. See Section 06D for more details on 2D and 3D CAD format availability. Western Star Trucks Sales, Inc. So Western Star began to work independently.In Canada, which produces 100 percent of the output, 93 percent of all staff productionDue to such highOverload for what? Could you give info about it please.Any information on this please.Can you help? Well done! I'm currently looking for manuals for a 1985 International 1954. I'd greatly appreciate it if you can find one, please post. Thanks!I have found the problem disconnection of P2 pump propotional valve but am not sure how to repair it. I just wanted to know how do i test the valve Alarm showed hydraulic distributor error.Does someone know what could possibly be wrong?What P248 and P253 means?Are they reported on one of the manuals (and which?) or could someone provide those values directly? Thanks,Also check malfunction indicator lamp failure is signaling.Has a green PCL warning light. Need explanationThe fault code mid136 sid7 fmi 14.The truck is changing gears at 20rpm and above. Abs light on and it's sending a break failure signal. We have changed the brake ecu and the modulation valve. We have tried and tried different ecu and modulation valve. Thanks for your adviseCan any one advise on what can be the problem.Turbo senser changed, inter cooler pipe is okay.The operating time of each of the solenoid valves or the service of the APM or any item that is about the APM.Kod je MID:130 SID:52 FMI:10It just idles.All lights working perfectly, any ideas how to fix this?Thanks IainIf so how much individually and for all three? ThanksSo would you find out the manual to give or sale for us please.Adaptalift in NSW, Australia however they will not reply to any of my emails. Can you help?But we can't find the operation and maintenance manual. So would you send me the operation andWhat function it is?Regards, BarryI have an Iveco Trakker 500 2017.http://www.ventnortowncouncil.org.uk/userfiles/dir-615-manual-repeater.xml
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Two falut codes appear on the display screen: EDC 03619 06 EDC 0377A 07 Please reply ASAP.Thank youDo you have this available? ThanksCan any one tell me what that is?I bypass the charger and all works fine ???When checking, it indicate a fault code of 931. Any ideas please?What is part is itWhere is the flasher located. Where does the blinker wiring go through the firewall?How can I get an operators and safety manual.Error: app-01Please explance thisShowing yellow engine light and code is 3697.can you help me please thanksI changed oil and filters now it doesn’t move except erratically at full RPM ThanksError code L 202For more info Call me 0031610524876. Instructions and procedures are those recommended by Western Star Trucks or the component manufacturer. Maintenance schedules and additional service information are included in the Western Star Maintenance Manual. IMPORTANT: Descriptions and specifications in this manual were in effect at the time of printing. Western Star Trucks reserves the right to discontinue models, and to change specifications or design at any time without notice and without incurring obligation. Descriptions and specifications contained in this publication provide no warranty, expressed or implied, and are subject to revision and editions without notice. Refer to www.Daimler-TrucksNorthAmerica.com and www.WesternStarTrucks.com for more information, or contact Daimler Trucks North America LLC at the address below. Environmental Concerns and Recommendations Whenever you see instructions in this manual to discard materials, you should attempt to reclaim and recycle them. To preserve our environment, follow appropriate environmental rules and regulations when disposing of materials. NOTICE: Parts Replacement Considerations Do not replace suspension, axle, or steering parts (such as springs, wheels, hubs, and steering gears) with used parts.http://www.transgusto.ch/userfiles/dir-615-router-user-manual.xml No part of this publication, in whole or in part, may be translated, reproduced, stored in a retrieval system, or transmitted in any form by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of Daimler Trucks North America LLC. Daimler Trucks North America LLC is a Daimler company. Maintenance Manual Maintenance manuals contain routine maintenance procedures and intervals for vehicle components and systems. They have information such as lubrication procedures and tables, fluid replacement procedures, fluid capacities, specifications, procedures for adjustments and for checking the tightness of fasteners. Maintenance manuals do not contain detailed repair or service information. Each manual contains a chapter that covers pretrip and post-trip inspections, and daily, weekly, and monthly maintenance of vehicle components. Service Bulletins Service bulletins provide the latest service tips, field repairs, product improvements, and related information. The service bulletins manual is available only to dealers. When doing service work on a vehicle system or part, check for a valid service bulletin for the latest information on the subject. IMPORTANT: Before using a particular service bulletin, check the current service bulletin validity list to be sure the bulletin is valid. Parts Technical Bulletins Parts technical bulletins provide information on parts. These bulletins contain lists of parts and BOMs needed to do replacement and upgrade procedures. In addition, the Service Solutions feature provides diagnostic assistance with Symptoms Search, by connecting to a large knowledge base gathered from technicians and service personnel. Results for both documents and service solutions can be narrowed by initially entering vehicle identification data. EZWiring can also be accessed from within PartsPro. Recall Campaigns Recall campaigns cover situations that involve service work or replacement of parts in connection with a recall notice. These campaigns pertain to matters of vehicle safety. All recall campaigns are distributed to dealers; customers receive notices that apply to their vehicles. Field Service Campaigns Field service campaigns are concerned with non-safety-related service work or replacement of parts. All field service campaigns are distributed to dealers; customers receive notices that apply to their vehicles. Particulates trapped in the DPF are almost completely vaporized in a process called regeneration. The EPA07 aftertreatment system (ATS), introduced to meet the requirements of the EPA07 emission control regulations, includes all the piping and equipment between the turbocharger outlet and the tip of the exhaust pipe. It resembles the exhaust system on earlier vehicles, but includes an aftertreatment device (ATD) instead of a muffler (see Fig. 1), and other equipment. An electronic control module (ECM) controls the operation of the ATS. Soot trapped in the DPF cannot be vaporized, but it is burned to ash and held in the DPF. When the ash buildup is heavy enough to begin clogging the DPF, it must be removed from the vehicle and physically cleaned in special processes specified by the engine manufacturers. Exhaust Outlet Marmon Fitting 11. DPF Outlet Pressure Sensor 12. DPF Substrate Tubes Fig. 1, ATD Components (typical) Engine manufacturers use different methods and equipment to reduce emissions from their engines, but an ATD is used on all of them. All ATDs are chassis-mounted, but they can be mounted either horizontally or vertically. All ATS exhaust piping is stainless steel. Inside the ATD, the exhaust passes first through the diesel oxydation catalyst (DOC) where it is chemically treated, then through the diesel particulate filter Western Star Workshop Manual, Supplement 14, May 2010 gives it longer life.http://mostviertel.com/images/communication-system-lab-manual-free-download.pdf Only low-ash oil should be used in EPA07 engines. There are two types of active regeneration; at-speed and parked. NOTE: Western Star documentation deals only with removal and installation of the ATD and other parts of the ATS. The exact conditions to trigger regeneration vary, according to the engine manufacturer’s design. Generally, it can begin only when the vehicle is travelling at least 7.5 mph, and active regeneration stops when the vehicle slows to 5 mph or below. IMPORTANT: The ATS is part of an interrelated engine and emissions management system, controlled by the ECM. The parked regeneration sequence varies with vehicle configuration, but it must be exactly followed or regeneration cannot happen. Follow the exact sequence from the engine manufacturer’s literature. In Mercedes-Benz, Detroit Diesel, and Cummins engines, there is a diesel oxidation catalyst (DOC) inside the intake side of the ATD. The DOC chemically treats the exhaust, to reduce gas emissions before the exhaust reaches the DPF. At the rear of the ATD, the DPF honeycomb tubes are closed at alternate ends, forcing the exhaust to move through its walls where it traps the soot. IMPORTANT: The ATS is an integrated system, and every component must be operating in place for the ATS to work correctly. There are two modes of regeneration; passive and active. This happens during normal vehicle operation, and exhaust gas temperature is no higher than normal. Under load and at highway speeds, passive regeneration may be all that is necessary to keep the DPF clear. But operating under light loads or at low speeds does not generate enough heat in the ATD for passive regen, and particulate matter builds up in the DPF. As particulate matter builds up in the DPF, it blocks exhaust gas from passing through the honeycomb tube walls. Pressure sensors on the intake and exhaust sides of the DPF sense the increase in back pressure, and signal the ECM. The ECM also keeps track of other measurements such as engine hours and mileage, to calculate when active regeneration is necessary. During active regen, extra fuel is injected into the ATD to raise its interior temperature very high and turn the trapped soot to harmless ash. The basic procedures apply to all aftertreatment devices (ATDs). For service and repair beyond removal and installation, refer to the engine manufacturer’s service literature. NOTE: For specific instructions on servicing any components of the aftertreatment system (ATS) including the ATD, consult the engine manufacturer’s service literature. NOTE: It may be necessary to raise the vehicle, or remove heat shields or body panels, to service the ATD. CAUTION The ATD assembly weighs from 125 to 150 pounds (57 to 68 kg) and must be protected from impact or sharp jolts. Dropping the ATD, or subjecting it to jarring impact can crack the diesel particulate filter (DPF) inside, which is built on a ceramic substrate. If that happens, the DPF is ruined and must be replaced. A secure support is necessary to remove and install the ATD safely. The ATD must be held securely to protect it from falling, or hitting hard against something else. The horizontal ATD lifting device (TLZ00785) is designed to handle a horizontal ATD. Vertical ATDs require a shop hoist secured to the lifting ears on top. The ATD is designed so that its exterior operating temperature is comparable to that of a standard muffler, but during active regeneration, its interior (see Fig. 1) and the outlet become hot enough to melt or ignite many common materials. DANGER Aftertreatment Device (ATD) internal temperatures can remain hot enough to cause personal injury, or ignite combustible materials, for hours after the engine is shut down. NOTE: Never attempt to start the vehicle with the ATD removed or with the ATD sensors disconnected, unless the engine manufacturer’s documentation allows it for a diagnostic procedure. 2. Disconnect the connections at the sensor box (see Fig. 1) and the diesel oxidation catalyst (DOC) inlet temperature sensor. 3. Mark the Marmon fitting joints and mounting bracket orientation to the ATD, so that the ATD can be installed exactly as it was removed. See Fig. 2. NOTE: There are guide pins (see Fig. 3) to position the ATD during vehicle manufacture, but they are designed to break off if they are stressed, to avoid damage to the expensive ATD. If the guide pins are gone, the locating marks serve the same purpose. 4. If the ATD is horizontally mounted, move the ATD handling device into place against it, so that it is in position to support the ATD securely and the ATD can not roll, tip, or fall. If the ATD is vertically mounted, attach a shop crane or similar device to the lifting ears and take up the slack, so that the lifting device is beginning to support the weight of the ATD. 5. The exhaust pipe may require support, such as a rope sling, to support it during ATD removal. If such support is required, install it now. CAUTION Be careful not to stress or twist the bellows as the ATD is manipulated. The bellows is not designed to support weight or withstand undue stress and can easily be damaged, requiring expensive replacement. 6. Remove the clamps from the Marmon fittings at the inlet and outlet of the ATD. DPF Ceramic Substrate Fig. 1, Typical ATD 7. Remove the two mounting bands that hold the ATD to its frame brackets, so that the ATD is held by the ATD handling device. 8. Move the ATD handling device slightly, so that the ATD positioning pin (see Fig. 4) clears its hole in the mounting bracket. Carefully remove the ATD from the vehicle. NOTE: ATD component service procedures, such as cleaning the DPF or servicing the sensors, are documented in the engine manufacturer’s service literature. Installation 1. Use the ATD handling device to move the ATD into position, so the inlet and exhaust align with the inlet and exhaust piping. If the vehicle is equipped with side fairings, remove the parts from the rear of the vehicle. Check the bellows for damage. If the bellows is damaged or leaking, replace it. Minor dents are not a problem, as long as there are no leaks. 8. Place the assembly on a work bench. Loosen and spread the seal clamps on the ends of the bellows. Pry the ends of the bellows off the exhaust pipes, being careful not to damage the exhaust pipe ends. If it is not possible to remove the bellows this way, proceed as follows: Replacement 1. Open the hood. 2. Open the tool box under the passenger-side door, and remove the cover. WARNING 3. Remove the right quarter fender and mud flap. For instructions, see Group 88. Always wear a face shield and other appropriate protection when using a cutting wheel. The cut edges of the bellows are extremely sharp, and can cause serious injury.Be careful not to cut the exhaust pipes. IMPORTANT: Take the following measurements before installing the bellows. The main section of the ATD inlet pipe is larger diameter than the turbo outlet pipe. Make sure you measure at the end of the pipe, where it inserts into the bellows. The two measurements should be identical. If they are not, loosen the U-clamp nuts that hold the ATD inlet pipe to the frame-rail support bracket, and move the pipe up or down as needed. CAUTION The ends of the ATD inlet pipe and the turbo outlet pipe must be in exact vertical and horizontal alignment before installing the new bellows. If they are not aligned the bellows will be twisted, and will fail after a short time. 11. Attach the turbo outlet pipe to the turbocharger, then to the bellows support bracket. Tighten the clamps enough to hold the pipe in place. 12. Attach the ATD inlet pipe to the ATD and the frame-rail support bracket. Tighten the clamps enough to hold the pipes in place. 13. Using a ruler or tape measure, measure the vertical distance between the end of the ATD inlet pipe and the frame rail. See Fig. 2. Do the same for the end of the turbo outlet pipe. The two measurements must be the same. If the measurements are different, loosen the U-clamp nuts on the frame-rail support bracket, and raise or lower the ATD inlet pipe as needed. Make sure you remove all burrs from the cut ends of the pipes. IMPORTANT: If they were loosened, do not tighten the ATD mounting straps until the U-clamp nuts on the frame-rail support bracket are tightened to their final torque. To do otherwise will affect the alignment of the exhaust pipes. 16. When the horizontal and vertical alignment is the same for both exhaust pipes and the distances between the pipe ends is correct, tighten the U-clamp nuts on the frame-rail support bracket that holds the ATD inlet pipe in place. See Subject 100 for torque values. 17. Tighten the V-clamp that holds the inlet pipe to the ATD; see Subject 100 for torque values. 18. If applicable, tighten the mounting straps on the ATD, then remove the jack. 19. Remove the turbo outlet pipe from the turbocharger. 20. Remove any dirt or soot from the outer surface of the exhaust pipe ends to ease the installation of the new bellows. Install the new bellows on the ATD inlet pipe, with the clamp nuts on top and facing outboard (Fig. 2). 22. Insert the end of the turbo outlet pipe into the bellows, then connect the pipe to the turbocharger and to the new bellows support bracket. See Subject 100 for torque values. 23. Tighten the bellows seal clamps; see Subject 100 for torque values. 24. Close the hood. 25. Start the engine and check for leaks. Shut down the engine, and tighten any clamps as needed. To meet the EPA10 requirements, Daimler Trucks North America is using technology known as Selective Catalytic Reduction (SCR) in the exhaust aftertreatment system (ATS). The SCR process requires the introduction of diesel exhaust fluid (DEF) into the exhaust stream. DEF is colorless, non-toxic, and biodegradable. IMPORTANT: The ATS is part of an integrated engine and emissions management system, controlled by the aftertreatment control module (ACM). Follow the engine manufacturer’s procedures, and use the correct equipment when diagnosing or working on any part of the ATS. The ATS is always chassis-mounted, but there are several different installation options available to fit any needed vehicle configuration. ATS exhaust piping is stainless steel. The EPA10 aftertreatment system (ATS) includes all the piping and equipment between the turbocharger outlet and the tip of the exhaust pipe. It includes an aftertreatment device (ATD), an SCR catalyst, a DEF tank, tank header unit, pump, metering unit, DEF, aftertreatment control module (ACM), coolant, and air lines that run between each component. See Fig. 1 for system components and function. Monitoring and operation of the ATS is controlled by an electronic control module (ACM). EPA10 engines require ultralow sulphur diesel (ULSD) fuel, for low emissions and long life of the diesel particulate filter (DPF), a honeycomb soot filter inside the ATD. Inside the ATD, the exhaust first passes through the diesel oxidation catalyst (DOC) where combustion gasses are chemically broken down to water and carbon dioxide, then through the DPF, where solid particles are trapped. The soot is reduced to ash during regeneration, and the ash is collected in the DPF until the DPF is full, at which time the DPF must be removed and cleaned. The DPF needs to be removed and cleaned of ash at specific cleaning intervals. For DPF maintenance and repair information, see the specific engine manufacturer’s service literature. Western Star Workshop Manual, Supplement 14, May 2010 If the exhaust temperature is high enough, the trapped soot is reduced to ash in a process called passive regen, which occurs as the vehicle is driven normally. Passive regen, however, cannot always keep the DPF clean, so the ATD must also periodically undergo active regen. During active regen, extra fuel is injected into the exhaust stream to superheat and reduce the soot trapped in the DPF to ash. Active regen happens only when the vehicle is moving above a certain speed, as determined by the engine manufacturer. Both active and passive regen happen automatically, without driver input. When operating conditions do not allow for active or passive regen, the vehicle may require a driver-activated parked regen which takes 20 to 60 minutes, depending on ambient conditions. After exhaust gases leave the ATD, a controlled quantity of diesel exhaust fluid (DEF) is injected into the exhaust stream. In the presence of heat, DEF is converted to ammonia gas, which reacts with NOx in the SCR chamber to yield nitrogen and water vapor, which exit through the tailpipe. EPA10 compliant DTNA vehicles are equipped with an additional tank to carry the DEF necessary for the SCR process. The DEF tank will require filling a minimum of every second diesel refuel, dependant on the DEF tank capacity. DEF consumption will vary depending on ambient conditions and vehicle application. IMPORTANT: All EPA10 compliant DTNA vehicles require the use of ULSD fuel with a maximum sulfur content of 15 parts per million (PPM). In addition, DTNA vehicles require the use of CJ-4 engine oils with less than 1 ash. See the specific engine manufacturer’s literature for additional information. NOTE: Freightliner documentation deals only with removal and installation of the components of the ATS. Discard the clamp and gasket. 4 9 3 2 6. On DD13 engines only, remove the turbochargeroutlet-pipe support bracket clamp, if equipped. Save the clamp for reuse. 7. On DD13 engines only, remove the ATD-inletpipe support bracket clamp, if equipped. Discard the clamp and gasket. f490368 6. 7. 8. 9. Compression Gasket Conical Gasket Bellows Turbocharger Outlet Pipe 8. On DD13 engines only, if needed to make clearance, remove the ATD-inlet-pipe support bracket form the frame rail. 9. Remove the bellows and ATD inlet pipe as an assembly. 10. On the workbench, replace the bellows as follows. 10.1 Remove the bellows-to-ATD inlet-pipe slipjoint clamp and gaskets. Discard the clamp and gaskets. 10.2 Slide the new slip-joint clamp, then the two new gaskets onto the ATD inlet pipe in the order shown in Fig. 1. 10.3 Slide the new bellows onto the ATD inlet pipe. 10.4 Position the slip-joint clamp over the gaskets. Do not tighten at this time. Fig. 1, Exhaust Bellows Installation (typical, DD15 shown) NOTE: Always use new exhaust pipe clamps and gaskets when installing exhaust system components. 1. Shut down the engine and chock the tires. WARNING Aftertreatment Device (ATD) internal temperatures can remain hot enough to cause personal injury, or ignite combustible materials, for hours after the engine is shut down. Western Star Workshop Manual, Supplement 14, May 2010 11. Position the bellows and ATD inlet pipe assembly on the vehicle. 12. Slide the ATD inlet pipe in or out of the bellows to align it with the ATD inlet. 13. Install the new spherical clamp and gasket at the ATD inlet. Do not tighten at this time. 14. Install the new spherical clamp and gasket at the bellows-to-turbocharger outlet-pipe connection. On DD13 engines only, install the new spherical clamp and gasket at the turbocharger-outlet-pipe to turbocharger connection. Do not tighten at this time. 16. On DD13 engines only, if removed, install the ATD-inlet-pipe support bracket on the frame rail. 17. On DD13 engines only, install the turbochargeroutlet-pipe support bracket clamp. Do not tighten at this time. 18. On DD13 engines only, install ATD-inlet-pipe support bracket clamp. Do not tighten at this time. 19. Using a straight edge, align the bellows, the ATD inlet pipe, and the turbocharger outlet pipe. Check from at least two positions about 90 degrees apart. If the brackets must be removed for any reason, mark their exact location with spray paint or with some other method before removing the brackets. Improper alignment of the ATD during installation can lead to unnecessary component failure. Warranty does not cover parts that are damaged due to improper installation. 1. Shut down the engine, set the parking brakes, and chock the tires. Western Star Workshop Manual, Supplement 14, May 2010 6. Remove the cover from the DEF metering unit. Disconnect the DEF supply and return lines, and the control wiring connectors, from the metering unit. See Fig. 3. 7. Disconnect the wiring harness from the sensor box. NOTE: Exhaust piping downstream from the ATD will vary depending on vehicle configuration. 8. Disconnect the exhaust pipe from the SCR catalyst outlet pipe as needed. 9. Position the ATD jack, with the one-box understep attachment, under the ATD and strap the ATD to the jack. Figure 4 shows the jack and attachment. 10. Remove the four nuts and bolts that attach the ATD to the upper mounting brackets. See Fig. 5. 11. On the forward ATD mounting bracket, remove the four bolts that fasten the ATD to the frame rail mounting bracket. Leave the mounting bracket attached to the frame rail. See Fig. 6. 12. On the rear ATD mounting bracket remove the three bolts that fasten the ATD mounting bracket to the frame rail. See Fig. 7. 13. Move the ATD away from the frame rail a few inches, then lower it to the floor. Installation NOTICE Be careful not to bump the probe on the back side of the ATD when positioning the ATD on the frame rail. NOTICE Follow the tightening sequence shown in Fig. 8 for the following steps. Removing the DDC 2V2 ATD and SCR catalyst as a unit is the quickest, and easiest, way to remove it from the vehicle. The ATD or the SCR catalyst can be removed separately. When removing the components separately, mark all parts to assist in proper assembly. Daimler Trucks North America LLC does not recommend disassembling the ATD on the vehicle. Remove the component following the instructions below, and then disassemble it on a workbench following the instructions in the engine manufacturer’s service literature. 9. Remove the metering unit mounting plate with the metering unit attached. ATD and SCR Catalyst Removal and Installation Removal 10. Loosen the lower fasteners on the diagonal support brace. Disconnect the diagonal support brace from the lifting bracket that attaches to the vertical stanchion and swing it out of the way. Secure it as needed. 11. Disconnect the exhaust pipe at the intake to the ATD. Support it as needed so there is no stress on the bellows. 12. Position the overhead lifting device over the vertical stanchion and connect the hooks at the lifting points. Apply enough pressure to the lift points to prevent the unit from dropping when loosened. 13. Remove the four mounting fasteners that attach the vertical stanchion to the frame rail. 14. Lower the unit away from the vehicle. Installation 1. Using the overhead lifting device, position the unit at the frame rail, and install the mounting fasteners. Refer to Fig. 1 for the following procedure. 5. Connect the wiring connectors to the metering unit. 1. Shut down the engine and chock the tries. 6. Connect the air lines to the metering unit. 2. Allow the ATS time to cool. 7. Connect the DEF lines to the metering unit. 3. Remove the heat shield. 8. Using a new seal, connect the exhaust pipe to the ATD. See Fig. 2 for proper installation. Western Star Workshop Manual, Supplement 14, May 2010 9. Install the exhaust stack. Start the engine and check for leaks. Tighten any connections as needed. Remove the metering unit mounting plate with the metering unit attached. 3 4 11. Loosen the lower fasteners on the diagonal support brace. Disconnect the diagonal support brace from the vertical stanchion, and swing it out of the way. Secure it as needed. 12. Remove the intake and outlet clamps from the ATD. Support the turbo outlet pipe as needed so there is no stress on the bellows. 13. Position the overhead lifting device over the ATD and connect the hooks at the lifting points. Apply enough pressure to the lift points to prevent the unit from dropping when loosened. Mark every component’s position prior to disassembling it on the truck. Installation 1. Using the overhead lifting device, position the ATD on the vertical stanchion, and secure it in position with the mounting clamps. Do not tighten the straps at this time. 2. Align the connection with the SCR catalyst, and using a new seal, install the clamp. See Fig. 2 for proper installation. Install the jam nuts. Outlet Clamp 12. Metering Unit and Mounting Plate 13. Exhaust Stack 14. Sensor Box Fig. 3, 2V2 ATD Installation 11. Connect the air lines to the metering unit. 13. Install the heat shield. 12. Connect the DEF lines to the metering unit. 14. Start the engine and check for leaks. Tighten any connections as needed. Removal 1. Shut down the engine and chock the tries. 2. Allow the ATS time to cool. 3. Remove the heat shield. 4. Remove the exhaust stack from the SCR catalyst. 5. Remove the SCR catalyst inlet clamp. 6. Disconnect the two temperature sensors and the NOx sensor. 7. Disconnect the DEF nozzle. 8. Position the overhead lifting device over the SCR catalyst and connect the hooks at the lifting points. Apply enough pressure to the lift points to prevent the unit from dropping when loosened. 9. Remove the clamping strap nuts. 10. Lift the SCR catalyst away from the vehicle. Installation 1. Using the overhead lifting device, position the SCR catalyst on the vertical stanchion, and secure it in position with the mounting clamps. Do not tighten the straps at this time. 2. Align the connection with the ATD, and using a new seal, install the clamp. See Fig. 2 for proper installation. NOTICE Alignment is essential.