PRODUCT SUPPORT PROGRAM FOR REPLACING THE IMU SENSORS ON CERTAIN 320 AND 323 EXCAVATORS
Usage:
TEBE8770-01
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| 13Feb2019 |
| (Revised 20Feb2019) |
U-56
A-45
D-48
O-46
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| After Failure Only | PRODUCT SUPPORT PROGRAM FOR REPLACING THE IMU SENSORS ON CERTAIN 320 AND 323 EXCAVATORS |
|
| 5736 | PS53978 |
|
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| NOTE: | Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar. |
| NOTE: | 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 "PS53978" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code. |
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| 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. |
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| NOTE: | This Revised Service Letter replaces 13Feb2019 Service Letter. Changes have been made to the SMCS code. |
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TERMINATION DATE |
| 28Feb2021 |
PROBLEM
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| The Inertial Measurement Sensor Unit (IMU) momentarily loses communication with the ECM in some high impact applications, causing a sensor malfunction warning that is displayed on the monitor when the function E-fence, Assist, Grade, Payload, or Crane is enabled, on certain 320 and 323 Excavators. |
AFFECTED PRODUCT
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| Model | Identification Number |
| 320 | BR600150-00155, 157-164, 166-171, 173-175, 178-181, 185, 187-188, 190-191, 193-195, 199-203, 208-215, 220, 222, 224-231, 233, 235-237, 241-243, 245, 247, 249-250, 253, 256, 259-260, 263, 265-267, 269-271, 274-275, 277, 281-287, 289-315, 318-324 HEX00122-00124, 126-138, 140-143, 145-147, 151-155, 157, 159-160, 163-169, 171-174, 176-182, 184-187, 189, 191-193, 196-197, 199-200, 206-209, 211-212, 214-220, 222-229, 231, 233-235, 237, 239-240, 242, 247-248, 250, 252-253, 255, 257, 261-263, 266-269, 271-272, 275-276, 278, 280-284, 286, 288, 290-292, 298, 301-303, 306, 308-309, 311-315, 317-323, 325, 327, 331, 333-336, 338-341, 344-353, 357, 359-371, 374-378, 381-386, 388-389, 392, 396, 398, 401-404, 406-410, 412-414, 416, 418, 420-427, 429, 431, 433, 436-442, 446-448, 450, 453, 456-457, 459-460, 462, 464-465, 467-468, 470, 472-473, 475-476, 478-479, 481-483, 485, 487-488, 492, 494, 496-500, 502-507, 509-514, 516-518, 520-521, 524, 526-528, 530-532, 534-538, 540-550, 552-553, 557-560, 564, 566-567, 569, 571-572, 574-579, 581-582, 584-586, 588-589, 592-597, 600, 604, 607-610, 612, 614, 616, 618-619, 622-625, 627-632, 635, 637-638, 640, 642, 644, 648-649, 652, 655-656, 658-660, 662-663, 667-672, 674-682, 684, 687-698, 702, 704, 706-709, 711, 713-714, 716-718, 720-721, 723-736, 738-740, 742-751, 753-754, 758, 760, 762-763, 765-766, 768, 770-782, 784-807, 809, 811-819, 821-824, 827, 829, 831-833, 836-837, 839-843, 845-846, 848-850, 854-858, 861-866, 868-869, 871-872, 874-879, 881, 883-890, 892, 894-896, 898, 900-905, 907-909, 911-912, 914, 916-925, 927, 929-931, 934-940, 942-943, 945-953, 955-964, 966-967, 969, 971-976, 980-986, 990, 993-1001, 1003-1007, 1011-1023, 1026-1039, 1041-1042, 1044-1047, 1049, 1051-1052, 1054, 1056, 1058-1064, 1066, 1069-1071, 1073-1078, 1081-1084, 1086, 1089-1090, 1092-1093, 1095-1097, 1100, 1102, 1104-1107, 1110-1112, 1114-1115, 1120-1125, 1127-1130, 1132-1134, 1138, 1141-1142, 1144-1145, 1147-1161, 1163-1173, 1176-1178, 1180-1184, 1186, 1188-1189, 1191, 1194, 1196-1198, 1201-1206, 1209-1216, 1218-1223, 1227-1229, 1231, 1233-1236, 1238-1242, 1244-1252, 1254, 1257, 1259-1263, 1265, 1267-1269, 1271, 1274-1275, 1277-1278, 1281-1286, 1289-1291, 1293-1294, 1296-1299, 1302-1311, 1313-1320, 1323-1324, 1326-1332, 1334-1336, 1339-1343, 1345-1350, 1352-1356, 1358-1361, 1363-1365, 1367-1369, 1371, 1373-1375, 1377-1382, 1385-1388, 1390, 1392, 1397-1399, 1401-1402, 1404-1405, 1407-1412, 1414-1415, 1417, 1419-1427, 1429-1441, 1443-1452, 1454, 1456-1473, 1475-1483, 1486-1497, 1499-1501, 1504-1510, 1512, 1514-1516, 1518, 1520-1521, 1524-1527, 1529-1530, 1532-1533, 1537-1539, 1541-1542, 1544-1556, 1558-1561, 1563-1570, 1572-1577, 1579, 1581, 1583-1587, 1590, 1593-1596, 1598-1599, 1601, 1603, 1606, 1608, 1610-1612, 1614-1615, 1617, 1619-1623, 1625, 1628-1629, 1631-1632, 1634-1635, 1637-1639, 1643, 1645-1646, 1649-1653, 1656-1658, 1662-1665, 1667-1670, 1672-1673, 1675-1677, 1679-1681, 1683-1688, 1690-1693, 1695-1720, 1723-1725, 1727-1731, 1733-1736, 1738-1742, 1744, 1746, 1748-1750, 1752-1754, 1756-1760, 1763, 1765-1779, 1781-1785, 1787-1791, 1793-1797, 1799-1802, 1804-1806, 1808, 1811-1813, 1815-1820, 1822-1829, 1832-1833, 1835-1841, 1844-1848, 1851-1859, 1861, 1863, 1867-1871, 1873, 1875-1876, 1878-1881, 1883-1892, 1894-1901, 1903, 1905-1906, 1909-1910, 1912-1917, 1919-1922, 1924-1925, 1929-1930, 1932, 1934-1935, 1937-1938, 1940-1944, 1946, 1951, 1954, 1956-1958, 1960-1973, 1975-1982, 1984-1996 YBP00131, 133-147, 149-165 ZBN00238-00263, 265-271, 273-278, 281-282, 285-286, 289-293, 295-296, 298-299, 301-303, 305, 308, 310, 312-313, 317, 319-320, 323-326, 329-332, 334-337, 340-342, 344-345, 347-356, 358, 360-361, 363-368, 370-372, 374-399, 401-408, 410-415, 418-435, 437-438, 440, 442, 444-469, 471-480, 482, 484-486, 488-489, 491-493, 496-497, 499-500, 503-505, 507-511, 513-518, 520-522, 524-545, 547-563, 565-578, 580-583, 585-588, 590-593, 595-604, 606-615, 617-621, 623-624, 627, 629, 631-636, 639-640, 642-646, 648-651, 653-655, 657-658, 662-674, 676-680, 683-696, 698-710, 714-721, 724-730, 732, 735, 748-749, 757, 759-767, 770-778, 780-790, 793, 795, 799-802, 804-807, 811, 831-835, 837-838, 848-854, 856, 858-859, 861-862, 864, 867-868, 870-873, 875-876, 881-882, 884-887, 889-900, 915-924, 926-944, 947, 949-950, 952-953, 957, 959-960, 963-968, 970-972, 974-975, 977-978, 980-981, 983-995, 997, 999, 1001, 1004-1009, 1013-1018, 1020-1035, 1038-1039, 1041, 1043-1047, 1049-1060, 1062-1072, 1075-1086, 1088-1092, 1094, 1096-1098, 1100-1103, 1105, 1108-1109, 1111-1113, 1115-1119, 1121-1124, 1127-1129, 1131-1133, 1135-1138, 1140-1147, 1149, 1151-1153, 1155-1166, 1172, 1174-1177, 1182-1183, 1185-1188, 1192-1197, 1199-1203, 1205, 1207-1212, 1214-1225, 1227-1236, 1238, 1240-1241, 1243-1245, 1247-1256, 1258-1260, 1262, 1264-1280, 1282-1288, 1290-1296, 1298-1309, 1312-1314, 1316-1324, 1328-1332, 1334, 1336-1338, 1340-1341, 1344-1349, 1351-1357, 1359-1370, 1373-1376, 1378-1390, 1393-1396, 1399, 1401, 1404-1410, 1413-1414, 1416-1419, 1421-1422, 1424-1426, 1428-1429, 1431, 1434-1438, 1441-1442, 1444-1445, 1448, 1450-1463, 1465, 1467, 1469, 1471, 1474, 1476, 1480-1482, 1485-1489, 1492, 1494-1495, 1497-1500, 1502-1509, 1511, 1513-1516, 1519-1525, 1527-1552, 1554, 1556-1557, 1559, 1561, 1563, 1566-1572, 1574, 1576-1579, 1581-1598, 1600-1610, 1612-1613, 1615-1628, 1630-1636, 1639-1640, 1642, 1644-1659, 1661-1677, 1679-1683, 1685-1691, 1693-1701, 1703, 1706-1708, 1710, 1713-1718, 1720-1724, 1726-1728, 1731-1738, 1740-1741, 1745-1746, 1749-1766, 1769, 1771-1804, 1806-1807, 1809-1810, 1812-1834, 1838, 1840-1848, 1850, 1854-1856, 1858-1865, 1867-1890, 1892-1920, 1922-1936, 1940-1955, 1957-1988, 1991-2006, 2008-2019, 2022-2023, 2025-2036, 2038-2069, 2072-2083, 2088-2099, 2104-2107 |
| 323 | BR900150-00151, 153-156, 159, 163-171 RAZ00129, 131-132, 134-141, 144-151, 153, 155-156, 158-169, 172-197, 199-200, 202-204, 206-207, 209-215, 218-219, 221-224, 227-231, 233, 237-239, 243-244, 246-250, 252-253, 257-258, 260-266, 268-272, 274, 278, 280-300, 303-307, 309-324, 326, 328, 330-331, 333, 336-337, 339-342, 344-345, 347-354, 356-358, 360-361, 363-365, 367-369, 371-377, 379-382, 384-389, 392-404, 406-411, 413, 416-423, 425-427, 429, 432-435, 437-442, 445-447, 449, 451-452, 455-458, 460-461, 463-466, 469-470, 472-476, 478-479, 481, 483-485, 487, 489-491, 494-496, 498-499, 501, 503, 505, 507-511, 516-523, 525-527, 529-530, 534-536, 538, 540-546, 548, 550-558, 560-561, 563-564, 566-569, 571-572, 574-580, 582-592, 594, 596-606, 608-614, 616-623, 625, 627-628, 630-633, 635-636, 639, 642-655, 657-658, 660-661, 663, 665-670, 672-673, 675, 677-678, 681-684, 686-692, 694, 696-698, 702-707, 709-718, 722-724, 726-728, 731-732, 734, 738-739, 742-745, 748-754, 756-757, 759-765, 767-772, 774, 776-779, 782-789, 791, 793-796, 798-800, 802, 805, 807-810, 812-814, 816, 818-819, 821-822, 824-831, 834-836, 839-842, 844, 846-847, 849, 851, 854, 856-857, 859-872, 874-877, 880, 882-886, 888, 890, 892-893, 896, 898-900, 902, 904-905, 907-909, 912, 915-916, 919-922, 924-926 YBL00205-00206, 208-211, 213, 215, 217-234, 236-247, 249, 251-255, 257-258, 260-261, 263-268, 270, 272-283, 285-288, 290, 292-294, 296-299, 302, 306-308, 310-312, 314, 316-320, 322-323, 325-329, 332-333, 335-336, 338-341, 344, 346-353, 356-357, 359-361, 363-364, 366-375, 377-380, 382, 385-390, 392-403, 405-413, 416-426, 428-439, 441-448, 451-455, 458-463, 465-470, 472-473, 475-479, 481, 483-505, 513-526, 622, 641, 648-650, 652-661, 663, 665-667, 669-670, 672-675, 685, 687, 689-691, 698-699, 703-709, 713-717, 719-730, 733, 735-736, 738-744, 747-754, 756-783, 785-790, 792-794, 796-797, 799-800, 802-808, 810-848, 850-864, 866-896, 898-903, 905-910, 912-915, 919, 921, 923-928, 933-937, 939, 941, 943-956, 958-974, 976-978, 982-984, 986-994, 996, 998-1005, 1007-1011, 1013, 1015-1018, 1021-1025, 1028-1031, 1033-1034, 1036, 1038-1053, 1055-1064, 1067-1072, 1076-1102, 1104, 1106-1108, 1110-1116, 1118-1119, 1121-1123, 1125-1126, 1128-1132, 1134-1138, 1140-1142, 1145, 1147-1150, 1155-1168, 1171-1173, 1175-1179, 1181-1197, 1200, 1202-1204, 1206-1211, 1213, 1215-1219, 1221-1227, 1229-1231, 1233, 1235-1246, 1248-1250, 1252-1260, 1262-1266, 1268-1269, 1272-1281, 1283-1284, 1286-1294, 1296-1300, 1302-1316, 1318-1321, 1323-1328, 1330-1341, 1343-1349, 1351-1355, 1357-1455, 1457-1463, 1465-1480, 1482-1514, 1516-1535, 1537-1579, 1581-1582, 1585-1622, 1624-1649, 1651-1655, 1657-1659, 1661-1686, 1688-1689, 1692-1693, 1696-1712 |
PARTS NEEDED
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Qty |
Part Number | Description |
| 2 | 5630598 | SENSOR AS-IMU |
| In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 2% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer. |
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ACTION REQUIRED
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| Machines with the Software before Prod 4.0: In order to ensure the operator the E-fence functions may not be working, the warning message (Refer to Image1) will cause the disabling of the controls to certain directions if E-fence is set to Enabled and CAB avoidance or E-fence Ceiling (Floor, Front, Right, or Left) is "ON" on the Machine ECM. The machine must be shut down to resume normal function. Machines with the Software Prod 4.0 or After: In the case of IMU sensor hardware defect, the message in Image2 is shown in the monitor and the software disables all EOU functions. Replace the existing 501-1450 IMU Sensors on the boom and the stick with new improved 563-0598 IMU Sensor Assemblies. Refer to the attached Rework Procedure. |
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| Image1 |
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| Image2 |
SERVICE CLAIM ALLOWANCES
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0-12 mo |
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13-24 mo |
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| NOTE: This is a 1.0-hour job | ||||||
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PARTS DISPOSITION
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| Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. |
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| 1. Disconnect the wiring harness and remove the existing 501-1450 IMU Sensor from the boom. Retain the three bolts, three washers, and two dowels for reuse. |
| 2. Install the new 563-0598 IMU Sensor Assemblyon the boom using the dowels (reuse) as a guide. 3. Reinstall the bolts and washers (reuse) on the sensor. Push the sensor against the dowel toward machine front direction and tighten the three bolts to a specified torque of 15 +/- 3 N.m, in the order of A, B, and C. Reconnect the wiring harness. Refer to Image1.2.1. |
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| Image1.2.1 |
| 4. Repeat Steps 1 and 2 on the IMU sensor on the stick. Refer to Image1.3.1. |
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| Image1.3.1 |
| 5. Start the engine and conduct IMU identification. Select following items on the display. "App" => "Setting" => "Service" => "Calibration" => "IMU Identification". Refer to Image1.4.1. |
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| Image1.4.1 |
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