PRODUCT SUPPORT PROGRAM FOR INSTALLING AN ADDITIONAL FUEL FILTER ON CERTAIN 938H WHEEL LOADERS AND IT38H INTEGRATED TOOLCARRIERS Caterpillar

PRODUCT SUPPORT PROGRAM FOR INSTALLING AN ADDITIONAL FUEL FILTER ON CERTAIN 938H WHEEL LOADERS AND IT38H INTEGRATED TOOLCARRIERS

Usage:

REBE6697-00

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21Mar2011

U-111

A-93

O-105

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*Before/After*	PRODUCT SUPPORT PROGRAM FOR INSTALLING AN ADDITIONAL FUEL FILTER ON CERTAIN 938H WHEEL LOADERS AND IT38H INTEGRATED TOOLCARRIERS
1274 1261		PS43247

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NOTE:

This Program must be administered either before or after failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS43247" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. If administered after failure, use "96" as the Warranty Claim Description Code, and "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

31Mar2013

PROBLEM

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In cases of poor fuel quality, the existing injectors may have a shortened life expectancy on certain 938H Wheeled Loaders and IT38H Integrated Toolcarriers.

AFFECTED PRODUCT

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Model	Identification Number
938H	JKM00151-00153, 165-170, 172-177, 179-187, 189-210, 212-216, 218, 220, 222-224, 226-258, 260-269, 272-279, 281-308, 311-442, 445, 448, 451-616, 618-639, 641-642, 645-656, 658-668, 670-730, 750-754, 771-779, 781, 783-784, 786-790, 792, 794, 796-820, 823-1061 LKM00136, 140, 156, 170-172, 176-181, 184-185, 194-200, 202-210, 214-218, 227-229, 231-239, 242-244, 250-251, 254-256, 259-268, 274, 278-282, 284-292, 298-300, 302, 304, 307, 309, 315, 319-320, 322, 328-330, 332-333, 335-337, 342-345, 347, 349, 352, 356, 358-363, 369, 371-381, 383-384, 386, 388-389, 391, 394-399, 401-405, 407, 409, 412-413, 415-420, 423, 425, 428, 430, 433, 436, 442-444, 446-447, 449-450, 453-459, 461, 464-465, 467-470, 476, 478-480, 485, 489-491, 493-494, 497-498, 501, 504-505, 511, 515, 517, 519, 521-523, 526-532, 539, 543-547, 550-559, 563, 565-569, 572, 574-578, 581, 587-608, 610-612, 614, 618-620, 626-630, 636, 638-639, 648-649, 1001-1004, 1012, 1015, 1020-1021, 1023-1026, 1030-1034, 1037-1052, 1054, 1061, 1064, 1066-1067, 1070-1071, 1076, 1098-1101, 1103, 1107-1108, 1111, 1116-1117, 1119, 1123, 1125-1126, 1130-1132, 1134, 1137, 1141-1143, 1145-1147, 1156, 1158, 1160, 1162 MJC00282, 336-337, 365-366
IT38H	JNJ00156, 158, 166-168, 186, 300, 312, 342, 351, 367, 381-382

PARTS NEEDED

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Qty	Part Number	Description
2	6I0593	BOLT
3	6I0654	BOLT
1	3344155	CLIP
1	3460523	FILTER AS-FUEL
1	3624731	LINE AS-FUEL
1	3624732	LINE AS - FUEL
1	3706032	BRACKET AS.
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 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, 0-60 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

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NOTE: This is a 2.0-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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Introduction
For regions and applications that need a better filtration for fuel system cleanliness, an additional fuel filter is available for certain 938H Wheeled loaders and IT38H Integrated Toolcarriers.

Removal Procedure
NOTICE
Ensure that all adjustments and repairs that are carried out to the fuel system
are performed by authorized personnel that have the correct training.
Refer to System Operation, Testing and Adjusting, "Cleanliness of Fuel
System Components" for detailed information on the standards of cleanliness
that must be observed during ALL work on the fuel system.
Care must be taken to ensure that fluids are contained during performance of
inspection, maintenance, testing, adjusting and repair of the product. Be
prepared to collect the fluid with suitable containers before opening any
compartment or disassembling any component containing fluids.
Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool
Catalog" for tools and supplies suitable to collect and contain fluids on
Caterpillar products.

Dispose of all fluids according to local regulations and mandates.

1. Open the engine hood.
2. Disconnect and remove the 311-1331 Fuel Tube (1) and 278-5201 Connectors (2). Plug the connections to avoid contamination. Refer to Image 1.1.1.

Image1.1.1

Installation Procedure

3. Attach 370-6032 Bracket Assembly (3) to the engine block holes in the position shown in Image 1.2.1.

Image1.2.1

4. Use 6I-0654 Bolt (4) to secure the bracket to the engine. Refer to Image 1.3.1.

5. Install 346-0523 Filter Assembly (5) on 370-6032 Bracket Assembly (3) as shown in Image 1.3.1.

6. Use 6I0593 Bolt (6) in order to mount the filter assembly. Refer to Image 1.3.1.

Image1.3.1

7. Install 362-4732 Fuel Line Assembly (7) from the secondary filter Port 3 to Port 4 of the new 346-0523 Fuel Filter Assembly (5). Connect 362-4731 Fuel Line (8) to the ECM and Port 3 of the new 346-0523 Fuel Filter Assembly (5). Refer to Image 1.4.1.

Image1.4.1

8. Fit 334-4155 Clip (9) to the new pipe at the position shown in Image 1.5.1.

Image1.5.1

9. Prime the fuel system. Refer to the Operation and Maintenance Manual, "Fuel System ? Prime".

10. Run the engine. Check the fuel system for leaks.

NOTE: The additional fuel filter should be replaced at the same time as the secondary fuel filter.