PRODUCT SUPPORT PROGRAM FOR RESEALING THE CYLINDER HEAD TO BLOCK JOINT IN CHASSIS ON CERTAIN TH55 KRESS COAL HAULERS Caterpillar

PRODUCT SUPPORT PROGRAM FOR RESEALING THE CYLINDER HEAD TO BLOCK JOINT IN CHASSIS ON CERTAIN TH55 KRESS COAL HAULERS

Usage:

REBE7250-00

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29Jun2011

U-261

D-238

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*After Failure Only*	PRODUCT SUPPORT PROGRAM FOR RESEALING THE CYLINDER HEAD TO BLOCK JOINT IN CHASSIS ON CERTAIN TH55 KRESS COAL HAULERS
1100 1101 1201 1124		PS52046

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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 "PS52046" 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

30Jun2013

PROBLEM

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The cylinder head to block joint using the 110-6991 Head Gasket may leak combustion gas on certain TH55 Kress Coal Haulers. Combustion gas may pressurize the cooling system.

AFFECTED PRODUCT

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Model	Identification Number
TH55 OEM	KCH22001-22050

PARTS NEEDED

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Qty	Part Number	Description
1	3550775	KIT-GASKET(SCH)
1	3550776	KIT-GASKET(SCH)
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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Remove affected cylinder heads and reseal with current production parts.

NOTE: Apply this program for single cylinder head joint replacement, up to a total of 3 cylinder head joints on the same engine.

NOTE: If there are more than 3 cylinder head joints that require repair, apply REBE7239 for coverage of an entire engine cylinder head joint re-seal, out of chassis.

For detailed information regarding the removal and installation of components reference SENR1126, Disassembly and Assembly.

Multiply the Parts Needed quantity by the number of cylinders being resealed. One gasket kit per cylinder.

NOTE: The Parts Needed list contains the 355-0775 and 355-0776 Gasket Kits.
- The 355-0775 Gasket Kit contains the 117-9315 Seal, to be used with a 119-5654 Rocker Base.
- The 355-0776 Gasket Kit contains the 240-7032 Seal, to be used with a 247-8340 Rocker Base.

Only order the appropriate kit part number according to the rocker base in use on the engine. The rocker base part number is located under the valve cover. Example location for 119-5654 Rocker Base shown in Image1.

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Image1

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%
0-10000 hrs, 0-48 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
10001-14000 hrs, 49-60 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%

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NOTE: This is a 4.0-hour job If there has been a previous repair, part age/hours will apply. Retain a copy of the previous repair invoice in the dealer's records for audit purposes, and specify repair date and machine hours in the "Additional Comments" section of the warranty claim.
4 hours allowed per head for resealing Product hours are engine/component hours.

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