PRODUCT SUPPORT PROGRAM FOR REPLACING NOX SENSOR HEAT SHIELDING AND NOX SENSOR HARNESS BRACKET ON CERTAIN CG170-16, G3512H, G3516H, G3516H HD, AND G3520H HD GENERATOR SETS
Usage:
TEBE6732-01
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| 29Dec2017 |
| (Revised 23Feb2018) |
U-736
A-520
D-618
O-614
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| Before/After | PRODUCT SUPPORT PROGRAM FOR REPLACING NOX SENSOR HEAT SHIELDING AND NOX SENSOR HARNESS BRACKET ON CERTAIN CG170-16, G3512H, G3516H, G3516H HD, AND G3520H HD GENERATOR SETS |
|
| 1439 1067 191N | PS45743 |
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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 must be administered either before or after failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS45743" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. If administered after failure, use "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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| NOTE: | This Revised Service Letter replaces the 29Dec2017 Service Letter. Changes have been made to the Parts Needed. |
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TERMINATION DATE |
| 31Dec2019 |
PROBLEM
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| The existing NOx Sensor can fail on certain CG170-16, G3512H, G3516H, G3516H HD, and G3520H HD Generator Sets. Continuing to use existing heat shield and sensor harness bracket can result in early sensor failures. |
AFFECTED PRODUCT
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| Model | Identification Number |
| CG170-16 | KSJ00160-00167 |
| G3512H | GF500115-00119 |
| G3516H | NWH00100-00139 NWJ00100-00108 |
| G3516H HD | GLM00116-00188 GLN00116-00138 |
| G3520H HD | GFP00010, 116-182 GFR00115-00198 |
PARTS NEEDED
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Qty |
Part Number | Description |
| 1 | 3B1915 | BOLT |
| 4 | 3E6916 | NUT-FULL |
| 1 | 5M2894 | WASHER-HARD |
| 4 | 5P7128 | BOLT-HEX HEAD |
| 4 | 1077954 | SPACER-HIGH TEMP |
| 4 | 1108314 | WASHER |
| 1 | 1183508 | GROMMET |
| 1 | 2856395 | CLIP-LADDER |
| 1 | 3264516 | TIE-CABLE |
| 1 | 3353377 | GASKET |
| 1 | 4415127 | SENSOR AS-NOX (After Failure Only) |
| 1 | 5458560 | SHIELD |
| 1 | 5458561 | SHIELD AS |
| In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 24% 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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| Update the NOx sensor heat shield to the 545-8560 and 545-8561 Shields to protect the NOx sensor from radiant heat. It is important that no exhaust heat wrap is placed over the shield, to promote airflow around the NOx sensor. Replace the harness p-clip bracket to reduce the chance of sensor harness wear. Replace the NOx Sensor only if it has already failed. |
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SERVICE CLAIM ALLOWANCES
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0-30 mo |
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| NOTE: This is a 3.0-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. |
Caterpillar Information System:
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