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HOSE AS 2277815 - Caterpillar

2277815 HOSE AS Caterpillar parts HOSE
Alternative (cross code) number:
Caterpillar 2277815 HOSE AS

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This Program can only be administeredafter a failure occurs. The decision whether to apply the Program is madeby the dealer. When reporting the repair, use "PS50995" as the Part numberand "7755" as the Group Number. Use "96" as the Warranty Claim DescriptionCode and use "Z" as the SIMS Description Code. The information supplied in this serviceletter may not be valid after the termination date of this program. Donot perform the work outlined in this Service Letter after the terminationdate without first contacting your Caterpillar product analyst. This Revised Service Letter replacesthe June 30, 2005 (Revised July 2005) Service Letter. Changes have beenmade to the Affected Product.TERMINATION DATE
June 30, 2007PROBLEM
Certain date codes of the 248-2326 Bearings mayfail prematurely in the second reduction of the final drives of certain793, 793B, and 793C Off-Highway Trucks. The failures will exhibit microwelding,which will progress into spalling.The magnetic plugs in the final drives mayshow signs of metal generation or the final drive SOS results for ironlevels may be at 150 parts or above indicating that a failure is in theprocess of occurring and rework is required.AFFECTED PRODUCT
Model Identification Number
793 3SJ00001-Up
793B 1HL00001-Up
793C 4AR00001-Up
793C 4GZ00001-Up
793C ATY00001-Up
Quantity Part Number Description
Check magnetic plugs for signs of metal generation.Also review final drive SOS results for iron levels of 150 parts or above.If either indicates a failure remove the carrierand inspect the second reduction final drive bearings. It is only necessaryto remove the second reduction carrier.This program covers bearings with date codeswhere the first letter of the code is from A through N and the second letteris K or M as shown in the following chart.
AM BM CM DM EM FM GM HM JM KM MM NMIf bearings other than ones with these datecodes are found failing prematurely contact the DSN.Replace the existing 248-2326 Bearings withnew 190-1672 Bearings.Filter the oil using a kidney loop as needed.SERVICE CLAIM ALLOWANCES
Product/ Part smu/agewhichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts Labor Hrs Parts Labor Hrs Parts Labor Hrs
0-6000 Hours0-Up Months 100% 12 0 0 0 0
6001-12,000 Hours0-Up Months 33.3% 6 0 0 50% 6
This is a 12-hour job.
If there has been a previousrepair, part age will apply. Retain a copy of the previous repair invoicein the dealer's records for audit purposes, and specify repair date andmachine hours in the "Additional Comments" section of the warranty claim.PARTS DISPOSITION
Handle the parts in accordance with your WarrantyBulletin on warranty parts handling.

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