PRODUCT SUPPORT PROGRAM FOR REPLACING INJECTOR ROCKER ARMS USED IN CERTAIN C18 MARINE ENGINES
Usage:
REBE2001-00
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11May2007 |
M638
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Before/After (Limited distribution) | PRODUCT SUPPORT PROGRAM FOR REPLACING INJECTOR ROCKER ARMS USED IN CERTAIN C18 MARINE ENGINES |
|
1123 1102 | PS42405 |
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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 "PS42405" 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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TERMINATION DATE |
31May2009 |
PROBLEM
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The 207-5248 Injector Rock Arms used in some C18 Marine Engine applications have been found to crack and break through the adjusting screw threads at the nose of the arm. |
AFFECTED PRODUCT
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Model | Identification Number |
C18 | CKH00359, 426, 741, 744-745, 748-749, 1542-1543, 1594, 1641-1642, 1763-1764, 1805, 2053 |
PARTS NEEDED
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Qty |
Part Number | Description |
6 | 10R4704 | ARM AS-UI ROCKER |
ACTION REQUIRED
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Refer to attached Rework Procedure. |
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SERVICE CLAIM ALLOWANCES
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0-24 mo |
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NOTE: This is a 4.0-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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For the following units listed remove (6) 207-5248 Injector Rocker Arms, and replace with (6) 10R4704 Injector Rocker Arms. For proper Disassembly & Assembly instructions of the injector rocker arms please refer to the following Publications in SIS Web. (SENR9832 Testing & Adjusting - Finding Top Dead Center Position for No. 1 Piston), (SENR9832 Testing & Adjusting - Electronic Unit Injector Adjusting & Setting), and (SENR9832 Testing & Adjusting - Engine Valve Lash Inspect/Adjust). Note: It is important that while installing the 10R4704 Injector Rocker Arms, that the engine is in the proper position (Top Dead Center and 180 degrees out) so the Injector Rocker Arms are properly adjusted and set. It is also important that during the installation of the Injector Rocker Arms that the Exhaust Valve, and Intake Valve lash settings be inspected and if needed reset to factory specifications. Note: During the rework process please inspect the 6I-0901 Rocker Arm Shafts for any signs of misalignment of the stud mounting holes, wear, damage, fretting etc. If damage is found to the shaft or if fretting or damage is found with any of the through bolt/stud mounting holes, the shaft is to be replaced, and reported against this service letter as contingent damage. |
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