0309415 EVINRUDE PLUG, Orifice number 64

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PSP FOR CRANKSHAFTS IN CERTAIN D10 TRACTORS, D348 ENGINES, 776 TRACTORS, 777 TRUCKS, AND 992 LOADERS - PS0428 - MAILED US AND CAN ADA, CACO, COFA, CFEL, COSA
  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.
U-19 A-14 AU-13 E-12 O-17 1231 PS0428 This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS0428" as Part Number, "7755" as Group Number, and "96" as Description Code. Although this Program is to be administered as described above on the Affected Product, parts should be removed from parts stock as soon as possible. Termination Date
February 28, 1991
Problem
Some crankshafts used in D10 Tractors, D348 Engines, 776 Tractors, 777 Trucks, and 992 Loaders may have notches or grooves in the radius of the journal fillets or grinder burns on the sidewalls of the counterweights. Ifone of these conditions exist, the crankshaft may crack or break from fatigue.
Affected Product
Model Identification Number D10 84W1-Up 76X1-UP D348 36J1-Up 38J1-Up 57K1-Up 98S1-Up 776 14H1-Up 777 84A1-Up 992 25K1-Up
Parts Needed
See Action Required
Action Required
***** Parts Stock ***** Inspect all 1W7578, 0R1233, 0R1230, and 0R2530 Crankshafts in parts stock for notches or grooves in the radius of the journal fillets or grinder burns on the sidewalls of the counterweights. If one of these conditions exist, remove the crankshaft from parts stock. ***** Affected Product ***** If a 1W7578, 0R1233, 0R1230, or 0R2530 Crankshaft fails in the Affected Product, and it can be determined that the failure was due to notches or grooves in the radius of the journal fillets or grinder burns on the sidewalls of the counterweights, replace the crankshaft and resultant damaged parts. Record the part number of the failed crankshaft, forged heat code, and stamped sequence number. Report these numbers in the warranty claim story. Record these same numbers from the replacement crankshaft installed in the engine and keep them in your history file along with a photo showing the location of the failure.
Service Claim Allowances
***** Parts Stock ***** Submit one claim for all 1W7578, 0R1233, 0R1230, and/or 0R2530 Crankshafts removed from parts stock. ***** Affected Product ***** Crankshaft Caterpillar Dealer Suggested Customer Suggested smu Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs. (D/N) (Cost) (C/L) (Sell) 0-1000 100% 70 0 0 0 0 1001-3000 33 1/3% 35 0 0 50% 35 This is a 70-hour job.
Parts Disposition
All parts removed (with the exception of cores used for Caterpillar Remanufactured parts) should be rendered useless and scrapped immediately upon completion of the repair.