PRODUCT SUPPORT PROGRAM FOR REPLACING THE 437-7162 INTERMEDIATE PISTON RING ON CERTAIN 12M 3, 140M 3, AND 160M 3 MOTOR GRADERS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE 437-7162 INTERMEDIATE PISTON RING ON CERTAIN 12M 3, 140M 3, AND 160M 3 MOTOR GRADERS

Usage:

TEBE5626-02

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13Dec2016

(Revised 22Aug2017)

U-647

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After Failure Only	PRODUCT SUPPORT PROGRAM FOR REPLACING THE 437-7162 INTERMEDIATE PISTON RING ON CERTAIN 12M 3, 140M 3, AND 160M 3 MOTOR GRADERS
1225		PS53359

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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 can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS53359" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "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 13Dec2016 (Revised 14Aug2017) Service Letter. Changes have been made to the Termination Date, and Service Claim Allowances.

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TERMINATION DATE

30Jun2018

PROBLEM

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The existing 437-7162 Piston Ring can have issues with break in under low load factor operation in certain applications on certain 12M 3, 140M 3, and 160M 3 Motor Graders. If the existing piston ring does not break in properly it will cause excessive oil consumption.

AFFECTED PRODUCT

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Model	Identification Number
12M 3	N9B00184, 186, 199, 300 N9F00152, 191, 328, 339, 344, 457, 488, 496, 516 N9R00102, 150, 175, 177-178
140M 3	N9D00456, 507 N9G00106, 127, 136-137 N9J00163, 221, 386, 412 N9M00104-00105, 210, 278, 319
160M 3	N9T00110, 170-173, 177-185

PARTS NEEDED

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Qty	Part Number	Description
1	1R1808	FILTER-LUBE
12	6V5589	RING-RETAINING
1	8T5917	SEAL-O RING
2	9N5085	CLAMP-V-BAND
6	1670024	SEAL-LINER
1	1906114	GASKET-OIL PAN
1	2197000	SEAL-O-RING
6	2382731	PIN-PISTON
6	2622891	RING-PISTON-OIL
6	2676686	LINER - CYLINDER
6	2697290	BEARING-CONN ROD
3	3054484	SEAL-O-RING
2	3089679	FILTER AS-FUEL
1	3249290	BELLOWS AS
1	3439015	BELLOWS AS
2	3460334	CLAMP-BAND
2	3460335	CLAMP-BAND
2	3808558	HOSE
1	4355907	COOLER GP-EXH -B
6	4377099	BODY AS-PISTON
6	4475626	RING-PISTON
6	4671177	RING-PISTON
1	4719663	KIT-GASKET(SCH)
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 17% 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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Upon complaint of an oil consumption issue please follow the instructions provided in Warranty Bulletin 3.18 (Excessive Engine Oil Consumption) to document the issue. Have the Technical Communicator submit a DSN - Product Health Service Request (SR) with the oil consumption results attached in the SR. In the problem description section, the question should be entered as "In reference to excessive oil consumption, does this meet the service letter requirements-". The request detail section should include a note to send the ticket to the Engine Tier 2 for approval.

Upon completion of the required documentation the approval will be given to complete this service letter using the new 467-1177 Piston Ring. A DSN must be submitted with approval from the Tier 2 to rebuild the engine and submit the claim for this service letter. Refer to UENR0130 Engine Disassembly and assemble manual for instructions on the overhaul.

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SERVICE CLAIM ALLOWANCES

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Product smu/age whichever comes first	Caterpillar		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
0-5000 hrs, 0-40 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
5001-10000 hrs, 41-45 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%

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NOTE: This is a 70.0-hour job
This is a 70 hour job total for all related work including: - Removal and install of the engine - Clean up of the machine before and after the repair - D&A of the engine - All related overhaul tasks - Testing of the repair

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