21736271 Volvo.Penta Hub

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PRIORITY - PARTS STOCK ACTION NEEDED - NEW VALVE LOCKS NEED TO BE INSTALLED ON CERTAIN D4E, D5B, D6D, D6E, D8L TRACTORS; 930R, 96 6R WHEEL LOADERS; 120G, 140G MOTOR GRADERS; 621S SCRAPERS; 3306, 3408 ENGINES - PI3515 - MAILED BRAZIL
  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.
February 24, 1991 (Revised May 1991) B-6 PRIORITY NEW VALVE LOCKS NEED TO BE INSTALLED ON Parts stock CERTAIN D4E, D5B, D6D, D6E, AND D8L TRACTORS; 930R AND 966R WHEEL LOADERS; 120G AND 140G MOTOR GRADERS; 621S SCRAPERS; AND 3304, 3306 AND 3408 ENGINES 1109 PI3515 This Revised Service Letter replaces the February 24, 1991 Service Letter. Various changes have been made to increase the Affected Product. COMPLETION DATE Termination Date
August 31, 1991 February 29, 1992
Problem
New valve locks need to be installed on certain D4E, D5B, D6D, D6E, and D8L Tractors; 930R and 966R Wheel Loaders; 120G and 140G Motor Graders; 621S Scrapers; and 3304, 3306 and 3408 Engines due to wear of the lock's shoulders.
Affected Product
In addition to the following Affected Product, any product that had 2A4429 Valve Locks installed between October 1, 1990 and February 24, 1991 must be reworked by installing new valve locks. Model Identification Number D4E 31C668-678, 680-686 34C1977-2036, 2038, 2040, 2044, 2046, 2047 2DJ193-239, 241-250, 252-260, 262-264, 267-272, 274, 275, 277, 278, 281, 285, 286, 288 D5B 5LD358-367, 398-414, 417, 421, 431 8HD573-586, 588, 591 D6D 36C1512-1537 37C1415-1424, 1426-1429, 1431-1435, 1437 38C461, 462 7XF169-204, 207 74W1537, 1538 D6E 2MJ77-96, 98-126, 128 D8L 7YB1573-1577 7JC801 930R 57Z2298-2362, 2365-2389, 2394-2428, 2430-2497, 2499, 3017-3053, 3055-3058, 3061, 3063, 3066-3073, 3075-3077, 3081, 3089, 3091, 3092 966R 58Z1695-1700, 1702, 1703, 1705-1707, 1709-1716, 1718-1826, 1828-1837, 1841, 1843 120G 4HD1110-1112, 1121-1128, 1134, 1135, 1138-1152, 1158-1161, 1164-1172, 1175-1177, 1180, 1181, 1183, 1185, 1194, 1199- 1219, 1222-1226, 1231, 1236-1242, 1244, 1247, 1249-1263, 1271-1292, 1307, 1308, 1310, 1311, 1313-1325, 1327, 1332- 1348, 1359-1365, 1373, 1378-1380 140G 5MD734, 735, 739, 756, 757, 759-761, 764, 810-815, 820, 840- 844, 856-859, 882, 885, 902-904, 906-909, 923-927, 932-938, 986-996, 1009-1011 621S 8KD628-637 3304 46V9589-9592 59Z2207-2212, 2214-2221, 2223 3306 3RG283-286, 289-291 47V17705-17714, 17716, 17718-17744, 17746-17756, 17758-17763 60Z4814-4963, 4968-4973 3408 9TD544-554, 556 1LG462-466, 469-471, 474-477, 485-492 2BG491-493, 495-497, 499-503, 505-510
Parts Needed
**** D4E, 930R, 120G, 3304 **** 16 2A4429 Valve Lock **** D5B, D6D, D6E, 966R, 140G, 621S, 3306 **** 24 2A4429 Valve Lock **** D8L, 3408 **** 64 2A4429 Valve Lock
Action Required
**** Parts Stock **** Remove all 2A4429 Valve Locks from parts stock that were NOT sourced from the U.S.A. **** Affected Product **** Replace the existing valve locks with new ones sourced from the U.S.A.
Owner Notification
Not Applicable
Service Claim Allowances
**** Parts Stock **** Submit one claim for all 2A4429 Valve Locks removed from parts stock. **** Affected Product **** ***** D4E, D5B, D6D, D6E, 120G, *****