PSP FOR INSTALLING NEW PISTONS AND PISTON RINGS IN CERTAIN D6D SR TRACTORS - PS4570 - MAILED BRAZIL, LIMITED US AND CANADA
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PSP FOR INSTALLING NEW PISTONS AND PISTON RINGS IN CERTAIN D6D SR TRACTORS - PS4570 - MAILED BRAZIL, LIMITED US AND CANADA
NOTE: 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.
A-18.1 B-4 1215 PS4570 NOTE: This Program can be administered either before or after a failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS4570" as Part Number, "7755" as Group Number, and "96" as Description Code.
Termination Date
February 29, 1992
Problem
The keystone type piston rings may fail in certain D6D SR Tractors due to vibrations produced at certain machine power ratings.
Affected Product
Model Identification Number D6D SR 7XF1-206
Parts Needed
6 - 1W6757 Piston Body Assembly 6 - 2W6091 Ring Group 1 - 6V1752 Gasket Kit
Action Required
Remove the existing keystone type piston rings and pistons. Replace them with the new rectangular type pistons rings and pistons.
Service Claim Allowances
Product Caterpillar Dealer Suggested Customer Suggested smu/age Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs. whichever (D/N) (Cost) (C/L) (Sell) comes first 0-4000 100% 24 0 0 0 0 0-24 mo 4001-6000 33 1/3% 12 0 12 50% 0 0-24 mo NOTE: This is a 24-hour job.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
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