Use a deep well socket and a breaker bar to loosen the spark plug. If the light is loose (quite loose) its bent down and the ard head needs to be replaced. Read and print pages, or copy the entire manual to your hard drive. Checked final drive and pivot shaft oil. Clean the ground probe inside the ARD combustion head by running a 305-2389 Plug Bore Brush through the hole in the ARD combustion head. If necessary, see your Caterpillar dealer for the part number of the socket. This ARD Head can fail over time, stopping the regeneration function of the CAT aftertreatment system, and plugging the DPF … Inspect the spark plug. The spark plug is threaded into the ARD combustion head. DPF is clean. Ask Your Own Heavy Equipment Question. We are working on a C-13 … warning: This product can expose you to chemicals including Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other … Check for spark in the spark indicator. Disconnect the ignition wire from the spark plug. Use a deep well socket and a breaker bar to loosen the spark plug. This was one of the first Caterpillar Aftertreatment strategies used to burn particulate matter (or soot) in the diesel particulate filter. It takes manual regen for about 5 minutes and comes down to idle. A restriction in a filter connector for the ARD combustion head can also set this code. Illustration 1 CRS NOZZLE CLEANING FLUID Cat Regeneration System Nozzle Cleaner for new Cat On- Local CAT dealer performed the following: Performed inspection. You just need to turn it off 3473 is a failure to ignite. Repair the wiring or replace the wiring. Install the spark plug indicator between the spark plug and the end of the spark plug wire. Complete … The have a device after the turbo which contains a fuel nozzle, spark plug and air supply. Upon arrival, this unit was serviced and checked over. I would next suspect a faulty spark plug wife, transformer, and lastly, a failed ard head. EPA07 engine regen are based on timer and miles. There should be a “click” when you push the boot onto either part. I cannot force a manual regen with ET. Checked final drive and pivot shaft oil. Troubleshoot the codes. 3703 is a code for the regen inhibit switch turned on. Combustion heads are aftertreatment regeneration devices; Attributes: Cat® parts are manufactured to precise specifications and are built for durability, reliability, productivity, less environmental impact, and reuse; SEE WARRANTY INFO. ARD combustion head (1) Flame detection temperature sensor (2) Electrical connection for the ARD nozzle heater (3) ARD pilot filter connector (4) ARD main filter connector (5) ARD combustion head (6) ARD spark plug (7) Coolant flow (8) Ground point (9) Combustion air inlet C. Use the “Aftertreatment #1 Ignition Transformer Primary Override” on Cat ET to turn ON the ARD ignition system. You either have a bad spark plug or bad ARD head. We are working on a C-13 … Morning Cat man, 2007 c13 cat, not able to do Manuel regen. Spark: Result: Spark is present in the indicator.Replace the spark plug. Changed ARD head spark plug. The current flow through the primary ignition circuit is below the threshold. Turn the key to the OFF position before servicing the ARD plug. 8 months ago. The Fuel Nozzle in the ARD Head is used to supply diesel fuel to the Aftertreatment System. The engine is equipped with a system that cleans the nozzles. Connect the spark indicator between ignition wire (5) and ground point (9). Click to expand... Cat is working on new motors right now they are testing them near my house with def but they painted them a weird red running as a pump motor putting lots of hours on them idk how they are doing though I haven't talked … It could be as simple as a fouled/worn spark plug for the ard head. Disconnect the ignition wire from the spark plug. This meas the ecm attempted to ignite a flame in the ARD housing and it failed. The new improved Aftertreatment Regeneration Device (ARD) combustion head assembly incorporates a high strength material in the electrode to withstand high temperatures. … ARD Combustion System. Changed all other filters on machine . 3251-0 Diesel Particulate Filter Differential Pressure (bank 1) : High - Most Severe (3). The first and most common is a failed spark plug. Try not to idle the truck as much as you can. It will do this 6 times in an attempt to start a flame to regen. After I hear from you. I will clean screens. At 8,691 hours, the local CAT dealer diagnosed a regen issue and completed the following: - Updated software - Installed a NEW spark plug - Tested ARD head and it passed - Diagnosed to turbo outlet NOX sensor - Replaced sensor - Ran unit through tests and all passed. B. Look for the following problems: 1. Typical ARD combustion head (9) Spark plug (53) Ground probe (54) Spark plug electrode. The current flow through the primary ignition circuit is above the threshold. Use a deep well socket and a breaker bar to loosen the spark plug. Cat Caterpillar C7 C7.1 C7.2 C9 C9.3 Engine Service Repair M Cat Caterpillar C7 C7.1 C7.2 C9 C9.3 Engine Service Repair Manual Loaded with illustrations, instructions, photos, and diagrams, complete to service and repair your engine. Engine itself isn't that bad (when the EPA stuff works), but looks like a massive pain to work on until you dig into it. I found a seller who can sell me the CAT ET program with a factory password and instruction to shut off the DTF for 2000$. The ARD ignition system must operate for 20 seconds in order for a diagnostic trouble code to become active. Remove the spark plug from the ARD combustion head. Note: Some of the following codes may not be applicable for certain applications. Not all connectors may be shown in the illustration above, refer to the electrical schematic. Proceed to Test Step 7. 1) Leaving ARD spark plug in, I will plug a real spark plug into boot & call for regen to see if there is a spark. Ensure that the wire for the heater is tied to the sensor wires within 152.4 mm (6 inch) of the combustion head. Use the ARD Ignition Transformer Primary Status override on Cat ET to turn on the ARD ignition system. Cat Man. If necessary, see your Caterpillar dealer for the part number of the socket. The engine is equipped with a system that cleans the nozzles. Cat Engine Expert. B. Regen light start flashing. Ill check the wire right now but … I have replaced the entire system ( ard head, spark plug, dpf sensor, and coil). The ARD ignition system has two circuits.
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