PRODUCT SUPPORT PROGRAM FOR UPDATING THE POWERTRAIN LUBE CIRCUIT ON CERTAIN D6T TRACK-TYPE TRACTORS AND PL72 PIPELAYERS Caterpillar

PRODUCT SUPPORT PROGRAM FOR UPDATING THE POWERTRAIN LUBE CIRCUIT ON CERTAIN D6T TRACK-TYPE TRACTORS AND PL72 PIPELAYERS

Usage:

TEBE8788-00

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13Feb2019

U-57

A-46

D-49

O-47

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After Failure Only	PRODUCT SUPPORT PROGRAM FOR UPDATING THE POWERTRAIN LUBE CIRCUIT ON CERTAIN D6T TRACK-TYPE TRACTORS AND PL72 PIPELAYERS
3030 7051		PS53979

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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 "PS53979" 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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TERMINATION DATE

28Feb2021

PROBLEM

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The existing design of the powertrain lube circuit may cause oil to accumulate in the transmission sump on certain D6T Track-Type Tractors and PL72 Pipelayers. This can result in more oil than normal draining out of the case when the PTO cover is removed, and in rare cases, may cause problems with torque converter calibration.

AFFECTED PRODUCT

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Model	Identification Number
D6T LGP	JML00250-00573 SGZ00100-00183, 190-424
D6T LGP VPAT	K1R00100-00156 MH700327-00720, 722-784
D6T XL	2B300100-00203 NDY00201, 203-422
D6T XL VPAT	2D200100-00109 HYT00275-00375
D6T XW	AK700100-00108 MB500225-00313
D6T XW VPAT	7C900100-00123 JNM00300-00362, 364-478
PL72	P7200134-00137 P7300400-00412

PARTS NEEDED

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Qty	Part Number	Description
1	6V0267	CLIP
2	7X7729	WASHER-HARD
1	8T4133	NUT
1	8T4182	BOLT-HEX HEAD
1	1984777	WASHER-HARD
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 2% 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
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
0-5000 hrs, 0-36 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
5001-7500 hrs, 37-60 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%

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NOTE: This is a 5.0-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.

Rework Procedure

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1. Disconnect the right side track and remove the right side final drive in order to access the tube that will be updated as a part of this rework process. The tube is inside the PTO case.

For D6T Track-Type Tractors, refer to Disassembly and Assembly - D6T Track-Type Tractor Power Train - Media Number M0073303.

For PL72 Pipelayers, refer to Disassembly and Assembly - PL72 Pipelayers Power Train - Media Number UENR4131.

2. There is a hole in the PTO lubrication tube inside the case. This hole may inadvertently spray an excessive amount of oil into the transmission sump, resulting in the issues described earlier in this letter. The location of the hole and the path of the oil are shown with a dashed line in Image 1.2.1 below.

Image1.2.1

3. Install Clip A, using Bolt B, Washers C, Spacer D, and Nut E as shown in Image 1.3.1. Ensure that Clip A blocks the spray of oil from the hole marked with an arrow shown in Image 1.3.2. Tighten Nut E to a torque of 41 ft lbs (55 Nm).

Image1.3.1

Image1.3.2

4. Re-install the final drive and reconnect the track.

For D6T Track-Type Tractors, refer to Disassembly and Assembly - D6T Track-Type Tractor Power Train - Media Number M0073303.

For PL72 Pipelayers, refer to Disassembly and Assembly - PL72 Pipelayers Power Train - Media Number UENR4131.