PRODUCT IMPROVEMENT PROGRAM FOR ADDING VIBRATION DAMPERS TO AUTOMATIC AIR SHUT OFFS ON CERTAIN 3508B, 3508C, 3512B, 3512C, 3516B, AND 3516B HD ENGINES
Usage:
REBE2258-00
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| 09Aug2007 |
U-387
A-322
D-319
O-344
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| Priority | PRODUCT IMPROVEMENT PROGRAM FOR ADDING VIBRATION DAMPERS TO AUTOMATIC AIR SHUT OFFS ON CERTAIN 3508B, 3508C, 3512B, 3512C, 3516B, AND 3516B HD ENGINES |
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| 1078 | PI31321 |
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| NOTE: | This Program must be administered as soon as possible. When reporting the repair, use "PI31321" as the Part Number and "7751" as the Group Number, "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. Exception: If the repair is done after failure, use "PI31321" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "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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COMPLETION DATE |
TERMINATION DATE |
| 29Feb2008 | 31Aug2008 |
PROBLEM
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| Relative motion between the air shutoff gate and the housing may cause a wear-step in the housing. This wear can prevent the gate from closing and can lead to engine damage if the engine is operated with one gate opened and one gate closed. |
AFFECTED PRODUCT
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| Model | Identification Number |
| 3508B | 2HW00336-00337, 339, 350-352, 360, 362, 365, 367-369, 371-372, 376-381 3DM00334, 514-515 CBB00444-00461, 467-468, 471-472, 475-480, 482-483, 485, 487-498, 500, 503-505, 507-508, 511-512, 514-517, 520-523, 526-529, 534-537 S2A00123, 127 S2B00254, 264, 269-270, 290-292, 305-307, 309 |
| 3508C | LLC00103-00104 LLE00101, 103-105, 107, 109-110, 112-114, 116, 120-123 |
| 3512B | 2AF00488, 503-504, 545-558, 562 4AW00687-00688, 757, 1264, 1266-1267, 1269-1272, 1274-1276, 1278-1282, 1286, 1292-1294, 1298, 1300-1306, 1308-1313, 1315, 1317-1318, 1320, 1322, 1326-1327, 1329, 1331, 1333-1336, 1338-1339, 1342, 1345, 1348, 1351, 1353, 1355-1357, 1360, 1363-1364, 1372-1373, 1375-1377, 1382, 1385, 1390, 1397-1399, 1412, 1416, 1420, 1422, 1431, 1434-1437, 1443-1447, 1454-1455, 1457, 1460, 1463, 1478, 1480, 1482, 1485, 1492, 1496, 1498, 1500, 1503, 1505, 1507, 1509-1510, 1512, 1514-1516, 1518, 1521-1522, 1524, 1530, 1532-1533, 1537-1539, 1543, 1545, 1548, 1550, 1556-1558, 1560-1561, 1564, 1568, 1570-1577, 1581, 1583, 1585, 1587-1590, 1592-1595, 1599-1603, 1605-1629, 1631, 1633-1636, 1639-1641, 1649, 1654, 1663 8EM00520, 522-523, 532-533, 536-537, 554-555 PTF00170-00215 S2H00195, 197-198, 208, 218, 221-223, 225-236 S2J00298, 301-302, 304, 334, 341-350 S2M00151-00154 |
| 3512C | LLA00105, 107-108, 111-112, 114, 117-129, 132-138, 140-141, 146, 148-150, 152-153, 155, 157-162, 165, 167-169, 171, 174-182, 184, 197, 200-201, 204, 207-208, 210, 220, 299-301, 304, 306, 310 LLF00101, 105-106, 110-114, 119, 122-130, 132-133 RMS00150 |
| 3516B | 9AN00397-00400, 404-405 CBN00401, 407-411, 414-415, 419, 421 LEK00127 S2R00187-00188, 190-196, 217-230 S2S00227-00230 S2W00106 S2X00419, 449, 463-473, 478-482 S2Y00109-00110 |
| 3516B HD | S2Z00106-00109, 114-123 |
PARTS NEEDED
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Qty |
Part Number | Description |
| 2 | 1790133 | FILM-AIR SHUTOFF |
| 2 | 2898498 | DAMPER AS |
ACTION REQUIRED
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| Refer to the attached Rework Procedure. |
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OWNER NOTIFICATION
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| U.S. and Canadian owners will receive the attached Owner Notification. |
SERVICE CLAIM ALLOWANCES
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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. |
| MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE. |
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| XYZ Corporation 3240 Arrow Drive Anywhere, YZ 99999 PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR ADDING VIBRATION DAMPERS TO AIR SHUT OFFS MODELS INVOLVED - Certain 3508B, 3508C, 3512B, 3512C, 3516B, and 3516B HD Engines Dear Caterpillar Product Owner: Vibration dampers need to be installed on the products listed below. You will not be charged for the service performed. Contact your local Caterpillar dealer immediately to schedule this service. The dealer will advise you of the time required to complete this service. It is VERY IMPORTANT that your Air Shut Offs (ASOs) be tested every 500 operating hours and the vibration dampers installed on the ASOs need to be inspected/serviced every 6000 operating hours. Please contact your Caterpillar Dealer for a copy of Caterpillar Special Instruction REHS3005, which details this procedure. A COPY OF THIS DOCUMENT SHOULD BE PLACED IN THE APPLICABLE Operating and Maintenance Manuals. Please refer the dealer to their Service Letter dated 09Aug2007 when scheduling this service. We regret the inconvenience this may cause you, but urge you to have this service performed as soon as possible to prevent unscheduled downtime. Caterpillar Inc. Identification #(s) Attached to 09Aug2007 Service Letter |
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| 1. Remove existing plug from bottom of each Air Shut Off (ASO) housing, Image 1.1.1 |
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| Image1.1.1 |
| 2. Install new Vibration Damper P/N 289-8498 into the hole as shown in image 1.2.1, ensuring that the threads are coated with Thread lock P/N 9S-3263 or 4C-4030 and tighten the damper to a torque of 16 (+/- 2)Nm. |
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| Image1.2.1 |
| 3. Install information labels over existing labels on the electrically actuated ASO solenoids as shown in image 1.3.1 or on hydraulically actuated ASO valve covers as shown in image 1.3.2. Labels in languages other than English are available under the following Part Numbers: -Arabic 297-2613 -French 297-2614 -German 297-2615 -Spanish 297-2616 -Portuguese 297-2617 -Russian 297-2618 |
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| Image1.3.1 |
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| Image1.3.2 |
Caterpillar Information System:
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