BUSHING 0774033 - Caterpillar

August 8, 2002
U-194
A-138
O-159
Afterfailure only PRODUCT SUPPORT PROGRAMFOR REPLACING A BOOM THAT CRACKED AT THE TOP PLATE UNDER THE BRACKETS SUPPORTINGTHE STICK CYLINDER ON CERTAIN 365B L EXCAVATORS
6501 PS50536
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 "PS50536" 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.TERMINATION DATE
August 31, 2004PROBLEM
Booms cracked at the top plate under the bracketssupporting the stick cylinder on need to be replaced on certain 365B LExcavators. The 1474010 ME Boom (part of the 1502784 Boom Arrangement)may failed at the top plate under the brackets supporting the stick cylinderdue to weld quality problems.AFFECTED PRODUCT
Model Identification Number
365B L 9PZ229-240, 242-248, 250, 251, 253, 255-259,262, 264-266, 270-272, 277-282, 284, 285, 292, 297, 302, 312, 313, 319,320, 322, 323, 325, 328-330, 334-340, 347, 351, 353, 356, 357, 359, 360,366, 368, 400, 401, 403-405, 409-412, 414, 418-420, 438, 439, 442-445,447, 448, 453, 454, 459, 461, 463-465, 469, 472, 474-476, 478, 479, 482,487, 489, 490, 492, 495, 499, 507, 509, 510, 514, 5159TZ322, 343, 355, 400, 410, 419, 436, 527, 538PARTS NEEDED
1 - 1474010 Boom AssemblyACTION REQUIRED
This service letter can only be applied for aboom cracked at the top plate under the brackets supporting the stick cylinder.In case of any questions, please contact your product support at the caterpillarfactory. Refer to the 365B Service Manual - Disassembly and Assembly form# RENR1970 - Boom Remove and Install sections.SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts Labor Hrs Parts Labor Hrs Parts Labor Hrs
0-8000 / 0-36 months 100% 32 0 0 0 0
This is a 32?hour job.PARTS DISPOSITION
Handle the parts in accordance with your WarrantyBulletin on warranty parts handling.