PRODUCT SUPPORT PROGRAM FOR REPLACING THE NRS COOLER ON CERTAIN 740B, AND 745C ARTICULATED TRUCKS, 336E, 336F, 340F, 349E, AND 374F EXCAVATORS, D6T TRACK-TYPE TRACTORS, 966K, AND 972M WHEEL LOADERS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE NRS COOLER ON CERTAIN 740B, AND 745C ARTICULATED TRUCKS, 336E, 336F, 340F, 349E, AND 374F EXCAVATORS, D6T TRACK-TYPE TRACTORS, 966K, AND 972M WHEEL LOADERS

Usage:

TEBE6677-00

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28Sep2017

L030

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Containment - Before/After (Limited distribution)	PRODUCT SUPPORT PROGRAM FOR REPLACING THE NRS COOLER ON CERTAIN 740B, AND 745C ARTICULATED TRUCKS, 336E, 336F, 340F, 349E, AND 374F EXCAVATORS, D6T TRACK-TYPE TRACTORS, 966K, AND 972M WHEEL LOADERS
108C 1087 1061		PS90753

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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 "PS90753" 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

30Sep2019

PROBLEM

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The existing NRS cooler can fail on certain 740B, and 745C Articulated Trucks, 336E, 336F, 340F, 349E, and 374F Excavators, D6T Track-Type Tractors, 966K, and 972M Wheel Loaders. If the existing NRS cooler fails internally it can lead to coolant getting into the air system and potentially cause additional engine damage.

AFFECTED PRODUCT

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Model	Identification Number
*****Group 1*****
336E L	YCE00369, 653
966K	PBG00474, 768, 990
D6T LGP	JRW00256-00257, 537, 550

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*****Group 2*****
349E L	KFX00499, 540, 659

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*****Group 3*****
374F L	DNM10004
745C	TFK00978, 983-984, 1432-1435

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*****Group 4*****
740B	T4R00918, 986, 991, 1975, 1978, 1986, 1993

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*****Group 5*****
336F LXE	LTP00267
340F	RBD10001
972M	JPR00415, 417, 812-813
D6T LGP	SGT00525-00526

PARTS NEEDED

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Qty	Part Number	Description
*****Group 1*****
1	8T5917	SEAL-O RING
2	9N5085	CLAMP-V-BAND
1	2197000	SEAL-O-RING
3	3054484	SEAL-O-RING
1	3147599	CLAMP-BAND
1	3249290	BELLOWS AS
1	4493090	COOLER GP-EXH -B
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.
*****Group 2*****
1	5C7261	NUT-HEX
2	6V5843	BOLT-HEX HEAD
1	6V9027	SEAL-O-RING
1	7L6580	SEAL-O-RING
1	8S0023	CLIP
1	8S0024	CLIP
1	8T4224	WASHER-HARD
3	8T5917	SEAL-O RING
3	8T9085	BOLT
3	9N5085	CLAMP-V-BAND
1	9S8002	PLUG-LD STOR
1	2113445	STUD-BOLT
1	2127728	ISOLATION AS.
1	2893107	GASKET
1	3249290	BELLOWS AS
2	3979301	SPACER-HARD
1	4374425	SEAL-O-RING
1	4493068	COOLER GP-EXH -B
2	4533363	BRACKET AS
1	4875075	ELBOW-COOLER
1	5105444	COVER AS
1	5120362	PLATE AS
2	5121318	SUPPORT AS
1	5146555	SHIELD AS
1	5170055	TUBE AS-WATER
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.
*****Group 3*****
6	0L1352	BOLT
1	0L2070	BOLT
2	0S0509	BOLT
1	0S1594	BOLT
1	2B2695	BOLT
1	3E4352	WASHER-HARD
2	4F7957	BOLT
7	5M2894	WASHER-HARD
2	5P0537	WASHER-HARD
2	7L6580	SEAL-O-RING
1	8S0023	CLIP
1	8S0024	CLIP
1	8T9588	SEAL-O-RING
3	9N5085	CLAMP-V-BAND
1	3249290	BELLOWS AS
1	4456881	HOSE
1	4493065	COOLER AS-NRS
1	4930357	TUBE AS-WATER
1	4930358	TUBE AS-WATER
1	4931489	BRACKET AS
1	5097456	BRACKET-MOUNTING
4	5103002	CLAMP AS
2	5234273	CLAMP-BAND
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.
*****Group 4*****
6	0L1352	BOLT
1	0L2070	BOLT
2	0S0509	BOLT
1	0S1594	BOLT
1	2B2695	BOLT
1	3E4352	WASHER-HARD
2	4F7957	BOLT
7	5M2894	WASHER-HARD
2	5P0537	WASHER-HARD
2	7L6580	SEAL-O-RING
1	8S0023	CLIP
1	8S0024	CLIP
1	8T9588	SEAL-O-RING
3	9N5085	CLAMP-V-BAND
1	3249290	BELLOWS AS
1	4456881	HOSE
1	4493065	COOLER AS-NRS
1	4930357	TUBE AS-WATER
1	4930358	TUBE AS-WATER
1	4931489	BRACKET AS
1	5097456	BRACKET-MOUNTING
4	5103002	CLAMP AS
2	5234273	CLAMP-BAND
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.
*****Group 5*****
1	8T5917	SEAL-O RING
2	9N5085	CLAMP-V-BAND
1	2197000	SEAL-O-RING
3	3054484	SEAL-O-RING
1	3147599	CLAMP-BAND
1	3249290	BELLOWS AS
1	4493090	COOLER GP-EXH -B
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.

ACTION REQUIRED

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Refer to the Service Manual if/as necessary and refer 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
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
*****Group 1*****
0-8000 hrs, 0-60 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
8001-10000 hrs, 61-72 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%

NOTE: This is a 4.0-hour job for Group 1

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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%
*****Group 2*****
0-8000 hrs, 0-60 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
8001-10000 hrs, 61-72 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%

NOTE: This is a 4.0-hour job for Group 2

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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%
*****Group 3*****
0-8000 hrs, 0-60 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
8001-10000 hrs, 61-72 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%

NOTE: This is a 4.0-hour job for Group 3

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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%
*****Group 4*****
0-8000 hrs, 0-60 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
8001-10000 hrs, 61-72 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%

NOTE: This is a 4.0-hour job for Group 4

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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%
*****Group 5*****
0-8000 hrs, 0-60 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
8001-10000 hrs, 61-72 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%

NOTE: This is a 4.0-hour job for Group 5

PARTS DISPOSITION

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.

Rework Procedure

Group Number 1

Replace NRS cooler with the updated NRS cooler following instructions outlined in Service Magazine, M0085324, "A New NOx Reduction System Cooler Group Is Now Used on All C9.3 Tier 4 Interim Machine Engines".

For additional system checks that may be required, reference Special Instruction, M0069778 "System Check after an NRS Cooler Failure for C9.3 through C18 Tier 4 Engines".

Refer to Special Instruction, M0070968, "Coolant Drain and Vacuum Fill Procedure For Certain C9.3 Through C18 Tier 4 Engines", for the proper coolant drain and fill procedure.

Pressure test the coolant system to verify no leaks are present. Refer to KENR9368, Testing and Adjusting, "Testing the Radiator and Cooling System for Leaks" for the procedure prior to starting the machine once the rework is completed.

Group Number 2

Replace NRS cooler with the updated NRS cooler following instructions outlined in Service Magazine, M0081596, "A New NOx Reduction System Cooler Group and Water Lines Group Is Now Used on Certain 349E C13 Tier 4i Engines".

For additional system checks that may be required, reference Special Instruction, M0069778 "System Check after an NRS Cooler Failure for C9.3 through C18 Tier 4 Engines".

Refer to Special Instruction, M0070968, "Coolant Drain and Vacuum Fill Procedure For Certain C9.3 Through C18 Tier 4 Engines", for the proper coolant drain and fill procedure.

Pressure test the coolant system to verify no leaks are present. Refer to UENR0946, Testing and Adjusting, "Testing the Radiator and Cooling System for Leaks" for the procedure prior to starting the machine once the rework is completed.

Group Number 3

Replace NRS cooler with the updated NRS cooler following instructions outlined in Service Magazine, M0083689, "A New NOx Reduction System Cooler Group and Water Lines Group Is Now Used on Certain C15 / C18 Tier 4 Final Machine Engines".

For additional system checks that may be required, reference Special Instruction, M0069778, "System Check after an NRS Cooler Failure for C9.3 through C18 Tier 4 Engines".

Refer to Special Instruction M0070968, "Coolant Drain and Vacuum Fill Procedure For Certain C9.3 Through C18 Tier 4 Engines", for the proper coolant drain and fill procedure.

Pressure test the coolant system to verify no leaks are present. Refer to UENR3351, Testing and Adjusting, "Testing the Radiator and Cooling System for Leaks" for the procedure prior to starting the machine once the rework is completed.

Group Number 4

Replace NRS cooler with the updated NRS cooler following instructions outlined in Service Magazine, M0085195, "A New NOx Reduction System Cooler Group and Water Lines Group Is Now Used on Certain C15 and C18 Tier 4 Engines".

For additional system checks that may be required, reference Special Instruction, M0069778, "System Check after an NRS Cooler Failure for C9.3 through C18 Tier 4 Engines".

Refer to Special Instruction, M0070968, "Coolant Drain and Vacuum Fill Procedure For Certain C9.3 Through C18 Tier 4 Engines", for the proper coolant drain and fill procedure.

Pressure test the coolant system to verify no leaks are present. Refer to UENR0937, Testing and Adjusting, "Testing the Radiator and Cooling System for Leaks" for the procedure prior to starting the machine once the rework is completed.

Group Number 5

Replace NRS cooler with the updated NRS cooler following instructions outlined in Service Magazine, M0081814, "A New NOx Reduction System Cooler Group Is Now Used on All C9.3 Tier 4 Final Machine Engines".

For additional system checks that may be required, reference Special Instruction, M0069778, "System Check after an NRS Cooler Failure for C9.3 through C18 Tier 4 Engines".

Refer to Special Instruction, M0070968, "Coolant Drain and Vacuum Fill Procedure For Certain C9.3 Through C18 Tier 4 Engines", for the proper coolant drain and fill procedure.

Pressure test the coolant system to verify no leaks are present. Refer to UENR3402, Testing and Adjusting, "Testing the Radiator and Cooling System for Leaks" for the procedure prior to starting the machine once the rework is completed.