PRODUCT SUPPORT PROGRAM FOR REWORKING THE VALVE LIFTERS AND GUIDE SPRINGS ON CERTAIN 336E EXCAVATORS, 966K, WHEEL LOADERS AND D6T TRACK-TYPE TRACTORS Caterpillar
PRODUCT SUPPORT PROGRAM FOR REWORKING THE VALVE LIFTERS AND GUIDE SPRINGS ON CERTAIN 336E EXCAVATORS, 966K, WHEEL LOADERS AND D6T TRACK-TYPE TRACTORS
Usage:
TEBE7229-00
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29Jan2018
L240
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Containment -
Before/After
(Limited distribution)
PRODUCT SUPPORT PROGRAM FOR REWORKING THE VALVE LIFTERS AND GUIDE SPRINGS ON CERTAIN 336E EXCAVATORS, 966K, WHEEL LOADERS AND D6T TRACK-TYPE TRACTORS
1209
PS90831
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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 Containment Program can be administered either before or after a failure occurs.
In either case the decision whether to apply the Program is made by the dealer and service rep. Obtain the service reps Goodwill Approver Code
before completing the repair. EAME dealers should use their standard Industry Group specific goodwill approval codes. The Goodwill Approver Code must be included when submitting the claim.
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NOTE:
When reporting the repair, use "PS90831" as the Part Number and "7777" as the Group Number.
If administered before failure, use "56" as Warranty Claim Description and "T" as the SIMS Description Code. If administered after failure, use "96" as Warranty Claim Description Code and use "Z" as the SIMS Description Code.
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
31Oct2018
PROBLEM
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The existing 384-4171 Guide Springs for the valve lifters can fail on certain 336E Excavators, 966K Wheel Loaders, and D6T Track-Type Tractors. If an existing lifter guide spring fails it can/will cause the lifter to rotate and damage the camshaft.
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 12% 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.
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 32% 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.
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 7% 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.
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 7% 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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Refer to the attached Rework Procedure.
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SERVICE CLAIM ALLOWANCES
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Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 1*******
0-6000 hrs, 0-48 mo
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
6001-8000 hrs, 49-60 mo
30.0%
34.0%
30.0%
33.0%
30.0%
33.0%
NOTE: This is a 60.0-hour job for Group 1
60 hour job total which includes: - 40 hours allowed for engine removal and installation - 20 hours allowed to complete the repair
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Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 2*******
0-6000 hrs, 0-42 mo
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
6001-8000 hrs, 43-48 mo
30.0%
34.0%
30.0%
33.0%
30.0%
33.0%
NOTE: This is a 40.0-hour job for Group 2
40 hour job total which includes: - 20 hours allowed for engine removal and installation - 20 hours allowed to complete the repair
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Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 3*******
0-6000 hrs, 0-60 mo
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
6001-8000 hrs, 61-66 mo
30.0%
34.0%
30.0%
33.0%
30.0%
33.0%
NOTE: This is a 40.0-hour job for Group 3
40 hour job total which includes: - 25 hours allowed for engine removal and installation - 15 hours allowed to complete the repair
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Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 4*******
0-6000 hrs, 0-60 mo
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
6001-8000 hrs, 61-66 mo
30.0%
34.0%
30.0%
33.0%
30.0%
33.0%
NOTE: This is a 80.0-hour job for Group 4
80 hour job total which includes: - 60 hours allowed for engine removal and installation - 20 hours allowed to complete the repair
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
Rework Procedure
Group Number 1
Please make sure you have your respective tech rep approval before applying this CSL on machines that you are requesting to be reworked.
If you open engine to rework clips check if machine S/N is also impacted by CSL for injection pumps. If yes please review with your tech rep if you can apply CSL for injection pump at the same time.
Refer to the Disassembly and Assembly, "C9.3 Engines for Caterpillar Built Machines".
Refer to "Cylinder Head - Remove".
Refer to "Lifter Group - Remove and Install".
Group Number 2
Please make sure you have your respective tech rep approval before applying this CSL on machines that you are requesting to be reworked.
Refer to the Disassembly and Assembly, "C9.3 Engines for Caterpillar Built Machines".
Refer to "Cylinder Head - Remove".
Refer to "Lifter Group - Remove and Install".
If the Lifter Bore is damaged because of a lifter or clip failure please refer to the below procedure to repair the block instead of replacing it.
Refer to "Reuse and Salvage of C9 Lifter Bores SEBF9389".
Inspect all valve lifters and camshaft lobes for evidence of excessive wear on the spring guide slot in the lifter body, broken spring guides, roller pin damage in the lifter body, damage to the roller pin retaining ears, lifter roller wear or cam lobe wear from the lifters turning in the lifter bore.
Group Number 3
Please make sure you have your respective tech rep approval before applying this CSL on machines that you are requesting to be reworked.
Refer to the Disassembly and Assembly, "C9 Engines for Caterpillar Built Machines".
Refer to "Cylinder Head - Remove".
Refer to "Lifter Group - Remove and Install".
If the Lifter Bore is damaged because of a lifter or clip failure please refer to the below procedure to repair the block instead of replacing it.
Refer to "Reuse and Salvage of C9 Lifter Bores SEBF9389".
Inspect all valve lifters and camshaft lobes for evidence of excessive wear on the spring guide slot in the lifter body, broken spring guides, roller pin damage in the lifter body, damage to the roller pin retaining ears, lifter roller wear or cam lobe wear from the lifters turning in the lifter bore.
On engines manufactured prior to December 15, 2011, refer to Reuse And Salvage Guidelines, SEBF9008 for the procedure to rework the cylinder block. See "Reworking the Cylinder Block for Better Alignment of the Lifter Follower Clip".
Group Number 4
Please make sure you have your respective tech rep approval before applying this CSL on machines that you are requesting to be reworked.
If you open engine to rework clips check if machine S/N is also impacted by CSL for injection pumps. If yes please review with your tech rep if you can apply CSL for injection pump at the same time.
Refer to the Disassembly and Assembly, "C9.3 Engines for Caterpillar Built Machines".
