PRODUCT SUPPORT PROGRAM FOR REPLACING THE NRS COOLER ON CERTAIN 735B, AND 740B ARTICULATED TRUCKS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE NRS COOLER ON CERTAIN 735B, AND 740B ARTICULATED TRUCKS

Usage:

TEBE5754-01

Show/hide table

14Aug2017

(Revised 21Mar2018)

U-416

A-284

D-342

O-347

Show/hide table

After Failure Only	PRODUCT SUPPORT PROGRAM FOR REPLACING THE NRS COOLER ON CERTAIN 735B, AND 740B ARTICULATED TRUCKS
108C 108F 1075 1000		PS53545

Show/hide table

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 "PS53545" 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.

Show/hide table

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.

Show/hide table


NOTE:	This Revised Service Letter replaces the 14Aug2017 Service Letter. A change has been made to the Parts Needed.

Show/hide table

TERMINATION DATE

31Aug2019

PROBLEM

Show/hide table

The existing NRS cooler can fail on certain 735B, and 740B Articulated Trucks. 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

Show/hide table

Model	Identification Number
735B	T4P00252-00490
740B	T4R00262-03302, 23275, 32032
740B EJ	T4S00272-00383
740B OEM	E4S00121-00139

PARTS NEEDED

Show/hide table

Qty	Part Number	Description
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
1	5334567	BRACKET AS
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 5% 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

Show/hide table

Replace the failed NRS cooler with the new NRS cooler and water lines design following the 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 NOx Reduction System (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 proper coolant drain and fill procedure.

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

Show/hide table

SERVICE CLAIM ALLOWANCES

Show/hide table

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%
0-6000 hrs, 0-48 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
6001-8000 hrs, 49-60 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%