END-WIRE 1262211 - Caterpillar

Caterpillar: Confidential Yellow
PSP FOR INSTALLING NEW ALTERNATOR BELTS, PULLEYS AND GUARD ON CERTAIN D11N TRACTORS; 776B TRACTORS; 777B,785, 789 TRUCKS; 350 8, 3512, 3516 ENGINES (SPARE) - PS4344 - MAILED US AND CANADA
  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-174 1405, 7168, 1425 PS4344 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 "PS4344" as Part Number, "7755" as Group Number, and "96" as Description Code. Termination Date
September 30, 1990
Problem
The service life of the alternator belts, may not be as long as desired on certain D11N Tractors; 776B Tractors; 777B, 785, and 789 Trucks; and 3508, 3512, and 3516 Engines (Spare).
Affected Product
Model Identification Number D11N 74Z0001-645 776B 6JC0001-77 777B 4YC0001-1062 3NF0001-28 785 8GB0001-365 789 9ZC0001-277 3508 99W308, 493, 495, 497, 555, 556, 558, 566, 590, 592, 618, 636, 637, 654, 670, 677, 678, 702, 712, 719, 748, 778, 783, 784, 790, 794, 797, 802, 808, 815, 825, 826, 836, 861, 882, 883, 900, 903, 905, 916, 921, 927, 982, 989, 1005, 1031, 1033, 1036, 1037, 1053, 1059, 1071, 1084, 1087, 1095, 1100, 1101, 1137, 1187, 1190, 1192, 1199, 1200, 1240, 1241, 1275-1277, 1280, 1368, 1407, 1436, 1437, 1444, 1464, 1470, 1493, 1495, 1564, 1584, 1597, 1599, 1602, 1605, 1625, 1631, 1638, 1648, 1650, 1651, 1652, 1653, 1695, 1696 3512 96Z225, 231, 232, 244, 276, 277, 292, 335, 338, 341, 349, 350, 371, 381, 391, 396, 399, 403, 411, 417, 420, 421, 422, 429, 430, 439, 442, 443, 463, 466, 472 3516 54Z170, 179, 190, 196, 206, 217, 233, 239, 240, 264, 284, 291, 293-296, 311
Parts Needed
1 - 7C2450 Support* 1 - 7C3290 Guard** 1 -