PRODUCT SUPPORT PROGRAM FOR REPLACING THE CONNECTING ROD ASSEMBLIES ON CERTAIN 3306B GENERATOR SETS
Usage:
REBE9643-01
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| 24Jul2013 |
| (Revised 06Dec2013) |
U-329
A-227
D-278
O-277
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| Before/After | PRODUCT SUPPORT PROGRAM FOR REPLACING THE CONNECTING ROD ASSEMBLIES ON CERTAIN 3306B GENERATOR SETS |
|
| 1000 1218 1225 | PS43966 |
|
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| 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 "PS43966" 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 24Jul2013 Service Letter. Changes have been made to the Affected Product, Parts Needed, Service Claim Allowances, and Rework Procedure. |
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TERMINATION DATE |
| 31Jul2015 |
PROBLEM
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| The existing 8N-1721 Connecting Rod Assemblies can fail on certain 3306B Generator Sets. |
AFFECTED PRODUCT
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| Model | Identification Number |
| 3306B | B8D01804-01819, 1822-1950 |
PARTS NEEDED
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Qty |
Part Number | Description |
| 6 | 0R0914 | ROD AS-CONN (Before Failure Only) |
| 1 | 0R3610 | BLOCK GP-LONG -M (After Failure Only) |
| 6 | 1B7709 | BOLT (Before Failure Only) |
| 20 | 1D4595 | BOLT (Before Failure Only) |
| 1 | 1N9372 | GASKET-FLANGE (Before Failure Only) |
| 12 | 1S9543 | RETAINER-PIN (Before Failure Only) |
| 12 | 2N2766 | LOCKNUT (Before Failure Only) |
| 25 | 2S0736 | WASHER-HARD (Before Failure Only) |
| 2 | 2W3679 | GASKET (Before Failure Only) |
| 1 | 3J7354 | SEAL-O-RING (Before Failure Only) |
| 2 | 3K0360 | SEAL-O-RING (Before Failure Only) |
| 1 | 3S5496 | SEAL-O-RING (Before Failure Only) |
| 1 | 4M6480 | GASKET (Before Failure Only) |
| 6 | 5B9603 | BOLT (Before Failure Only) |
| 2 | 5S6735 | GASKET (Before Failure Only) |
| 2 | 6L1648 | SEAL-O-RING (Before Failure Only) |
| 6 | 7N8018 | SEAL-WATER (Before Failure Only) |
| 1 | 8H9788 | GASKET (Before Failure Only) |
| 1 | 8M0904 | GASKET (Before Failure Only) |
| 2 | 8M5248 | SEAL-O RING (Before Failure Only) |
| 1 | 8M5253 | SEAL-O-RING (Before Failure Only) |
| 2 | 9L5908 | GASKET (Before Failure Only) |
| 1 | 9M4849 | SEAL-O RING (Before Failure Only) |
| 18 | 9Y1798 | SEAL-WATER (Before Failure Only) |
| 1 | 9Y1979 | GASKET-MANIFOLD (Before Failure Only) |
| 1 | 1118015 | GASKET AS-HEAD (Before Failure Only) |
| 1 | 1142687 | SEAL-O-RING (Before Failure Only) |
| 1 | 1157550 | GASKET-PLATE (Before Failure Only) |
| 1 | 1331247 | SEAL-INTEGRAL (Before Failure Only) |
| 1 | 1694199 | GASKET-OIL PAN (Before Failure Only) |
| 1 | 1694200 | GASKET (Before Failure Only) |
| 1 | 1886126 | GASKET (Before Failure Only) |
| In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 16% 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. | ||
ACTION REQUIRED
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| Confirm that suspect connecting rod assemblies are installed in the engine being serviced. Per instructions below, replace existing suspect connecting rods. The suspect connecting rods were manufactured from April 1, 2011 to December 31, 2012. The connecting rod manufacture date can be determined as follows: Refer to Image 1 showing the manufacturing date code example. The middle line contains two pair of digits. The first pair of digits represents the production year and the second pair represents the production month. Example: April 2011 = (11 04). Reference the attached Rework Procedure to replace suspect connecting rod assemblies. |
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 |
| Image1 |
SERVICE CLAIM ALLOWANCES
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0-12 mo |
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| NOTE: This is a 26.0-hour job | ||||||
| The labor allowance provided in this letter is for a repair performed "Before" failure. If a repair is performed "After" failure under this letter, 20 hours labor will be allowed to remove and replace an engine arrangement. |
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PARTS DISPOSITION
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| ****Parts Stock**** *****NACD ***** Hold all suspect 8N-1721 and 8N-1984 connecting rod assemblies and Service kits or Piston Packs that contain a suspect connecting rod assembly for a Parts Return Request (PRR). A PRR will be issued to you through the Send-It-Back process after the claim is submitted. Make sure to list the service letter program on the packing slip and include the closed work order paperwork. ***** EAME, LACD, and APD ***** Hold all suspect 8N-1721 and 8N-1984 connecting rod assemblies and Service kits or Piston Packs that contain a suspect connecting rod assembly for a possible Parts Return Request (PRR). A PRR will be issued to you through the Send-It-Back process after the claim is submitted. Make sure to list the service letter program on the packing slip and include the closed work order paperwork. If a PRR is not issued to you after 30 days through the Send-It-Back process, handle the parts in accordance with your Warranty Bulletin on warrenty parts handling. |
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| 1. Remove fuel injector lines, valve mechanism cover, valve mechanism group, and cylinder head group. Note: It is not necessary to remove fuel injectors from the cylinder head assembly to perform this rework procedure. Install fluid line connection protection on any open lines to prevent debris entry. 2. Reference Disassembly and Assembly SENR5598 for details of engine disassembly and assembly. 3. Disconnect turbocharger oil supply tube assembly and oil drain tube assembly from the turbocharger and cylinder block assembly. 4. Remove the turbo charger and exhaust manifold. 5. Remove cylinder head assembly. 6. Remove engine oil sump and engine oil pump pickup tube assembly. 7. Remove piston and connecting rod assemblies from the cylinder block. Recommend replacing rod assemblies one cylinder at a time to ensure correct mating parts are re-installed in each cylinder. Do not remove cylinder liner. a. Remove connecting rod bolt nuts and rod cap. b. Install bolt thread protection on connecting rod bolts to prevent damage to crankshaft journal. c. Carefully remove piston & rod gp. from cylinder bore. Re-install connecting rod cap to rod and finger tighten nuts. Do not damage the piston cooling jets while removing piston and connecting rod assembly. Do not remove piston rings from the piston. d. Remove piston pin retaining clips. Do not reuse the retaining clips. e. Remove piston pin and rod assembly from piston. 8. Assemble replacement connecting rod to piston assembly using existing piston pin. Reference SENR5598 Pistons and Connecting - Assemble. Do not remove the piston rings. It is not necessary to clean the piston ring grooves for this rework procedure. The piston rings are not replaced in this procedure. 9. Install the pistons and connecting rods into cylinder block assembly. Refer to SENR5598 Disassembly and Assembly, "Pistons and Connecting Rods - Install" 10. Visually confirm that the piston cooling jets were not damaged during the removal or installation of the piston - rod assemblies. 11. The remaining engine assembly is the reverse of above steps. Reference SENR5598 for details on engine assembly, torque specifications and valve lash setting specifications. Note: Do not reuse cylinder head bolts, O-ring seals or gaskets on joints that were separated during this rework procedure. 12. Refill fluids. Run engine. Check for fluid leaks. Complete SIMSi entry noting connecting rod assemblies were replaced per this support program. |
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