TRANSFER CATERPILLAR 8S8959 - Caterpillar

ACTION REQUIRED
Replace previous 477-7395 Software or earlier with the new 483-1841 Software or latest available on SIS Web. The new software addresses the problem identified with the controller possibly over dosing.
Refer to the attached Rework Procedure.
OWNER NOTIFICATION
Owners in the following countries will receive the attached Owner Notification:
US
Canada
SERVICE CLAIM ALLOWANCES
Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
100% 100% 0% 0% 0% 0%
This is a 2.0-hour job
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.
EXAMPLE COPY OF OWNER NOTIFICATION
XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999
PRIORITY - PRODUCT IMPROVEMENT PROGAM FOR UPDATING SOFTWARE ON CERTAIN RETROFIT SELECTIVE CATALYTIC REDUCTION SYSTEMS
MODELS INVOLVED - Retrofit Selective Catalytic Reduction Systems.
Dear Cat Product Owner:
Existing software needs to be replaced on the products listed above. The existing software
can become unreliable. The SCR system controller may over dose if the SCR system is powered continuously for 40 days. A power cycle is then required to reset the system. New software has been created to fix this issue. You will not be charged for the service performed.
Contact your local Cat dealer immediately to schedule this service. The dealer will advise you of the time required to complete this service.
If you are no longer the owner of this product(s), please contact your local Cat dealer so that our records can be updated. Please refer the dealer to their Service Letter dated (---This date will be filled out when the letter is issued) when scheduling this service.
We regret the inconvenience this may cause you, but urge you to have this service performed as soon as possible to prevent unscheduled downtime.
Caterpillar Inc. Please refer the dealer to their Service Letter dated 03Aug2015 when scheduling this service.
We regret the inconvenience this may cause you, but urge you to have this service performed as soon as possible to prevent unscheduled downtime.
Caterpillar Inc.
Identification #(s)
Attached to 03Aug2015 Service Letter
Rework Procedure
1. If installing the new software on a system that was previously commissioned, have the completed commissioning report available. Refer to Special Instruction, REHS9221, "Cat Retrofit Selective Catalyst Reduction System Commissioning Report" to capture additional information and settings.
2. Confirm that the latest version of the software service tool is on the computer that will be used to load the software. The latest version of the service tool can be downloaded from the Caterpillar Emissions Solution website (https://dealer.cat.com/StationaryEngineSolutions).
3. Download the 483-1841 Software (known as 10.2.4) from SIS web. Make sure that the software is loaded in the "app image" list on the Software Service Tool.
4. Follow the software installation procedures in Systems Operation / Testing and Adjusting, UENR4332, "Selective Catalytic Reduction Retrofit Aftertreatment".
5. Before completing the attached Rework Procedure, review the safety actions in the engine Operation and Maintenance Manual. If the engine is installed in a machine, read and understand the machinery operators manual for safety information and safe working practices before starting this Rework Procedure.
Web browsers and versions can affect the display output. If the web browser is not displaying data and/or value, update the