155423-0300 ZEXEL 9 421 610 256 BOSCH STOP PIN 9421610256 1554230300 5157292700

26Feb2020
U-93
A-70
D-86
O-82
Parts stock action only
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 471-6029 DEF INJECTOR AND MOUNTING GROUPS FROM DEALER PARTS STOCK
108I 7750 PI70799
Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.
When submitting claim for Parts Stock Action, Use the appropriate 99Z as the s/n, the appropriate Service Letter Program Number as the Part number in the Part Causing Failure field, "7751" as the Group Number, "56" as the Description Code.
The information supplied in this service letter may not be valid after the termination date of this program.Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.
TERMINATION DATE
31May2020
PROBLEM
A defined batch of existing 471-6029 DEF Injector and Mounting Groups can fail under certain conditions.
ACTION REQUIRED
Inspect all 471-6029 DEF Injector and Mounting Groups in dealer parts stock.
Open the packaging and visually inspect the DEF injector.
If the DEF injector's upper body molding mark is an A or B, then the DEF injector is acceptable to use. Repackage the DEF injector and mark the packaging as inspected per this program and place the part back into dealer parts stock.
If the DEF injector's upper body molding mark is a 1 or 2, then remove the part from dealer parts stock. Refer to the Parts Disposition.
Image 1 shows the molding marks and location.
Image1
SERVICE CLAIM ALLOWANCES
Submit one claim for all parts removed from dealer parts stock.
PARTS DISPOSITION
NACD:
Hold all 471-6029 DEF Injector and Mounting Groups removed from dealer parts stock for a Parts Return Request (PRR). A Parts Return Request (PRR) will be issued to you through the Send-It-Back process after the claim is submitted. Make sure to list the service letter program number on the packing slip and include the closed work order paperwork. Handle all other parts in accordance with your Warranty Bulletin on warranty parts handling.
If a Parts Return Request (PRR) is not issued to you after 30 days through the Send-It-Back process, handle the parts in accordance with your warranty bulletin on warranty parts handling.
EAME, LACD, and APD:
Hold all 471-6029 DEF Injector and Mounting Groups removed from dealer parts stock for 30 days for a possible Parts Return Request (PRR). Make sure to list the service letter program number on the packing slip and include the closed work order paperwork. Handle all other parts in accordance with your Warranty Bulletin on warranty parts handling.
If a Parts Return Request (PRR) is not issued to you after 30 days through the Send-It-Back process, handle the parts in accordance with your warranty bulletin on warranty parts handling.