09450-06350 PUMP ASSY, INJECTI Denso Cross

July 7, 2002
(Revised July 2002)
U-156
O-129
Afterfailure only PRODUCT SUPPORT PROGRAMTO REMOVE UNIT INJECTOR SLEEVES ON CERTAIN C-9 INDUSTRIAL ENGINES
1713 PS50476
This Program can only be administeredafter a failure occurs. The decision whether to apply the Program is madeby the dealer. When reporting the repair, use "PS50476" as the Part numberand "7755" as the Group Number. Use "96" as the Warranty Claim DescriptionCode and use "Z" as the SIMS Description Code. The information supplied in this serviceletter may not be valid after the termination date of this program. Donot perform the work outlined in this Service Letter after the terminationdate without first contacting your Caterpillar product analyst. This Revised Service Letter replacesthe July 7, 2002 Service Letter. Changes have been made to the Rework Procedure.TERMINATION DATE
July 31, 2004PROBLEM
Transfer of fuel to coolant at the injector sleeve.Observable fuel ranges from a slight odor to a visible sheen in the toptank of the radiator or over flow tank.AFFECTED PRODUCT
Model
Identification Number
C-9 CLJ247, 254, 257, 262-264, 271, 281, 282, 294, 299-303, 310, 311, 313,316, 317, 319-321, 336-363, 365-373, 376-380, 382-390, 393-397, 399, 400,402, 403, 406, 408, 409, 411-428, 430, 431, 434-475, 477-481, 483-497,499-503, 505-512, 514, 516, 517, 520, 521, 523-528, 530-532, 535-539, 541-544,546-560, 564-567, 569, 570, 572-577, 579-581, 584-590, 594-612, 614-616,618-621, 628-631, 645-653, 655, 657-661, 676, 733, 735, 770-772, 774-776,778, 780-782, 786, 790, 791, 793-795, 801, 802, 806, 810, 812, 815, 821,825, 835, 837, 850, 851, 871, 873-876, 878-880, 885, 887, 896, 897, 900,906, 910, 914-916, 982-987, 1001, 1002, 1004-1005, 1007-1008 1018PARTS NEEDED
Qty
Part Number Description
1 4C9507 COMPOUND
6 1785037 SLEEVE INJECTOR Some special tools are required.Referto rework procedure Table 1, 2 and 3.ACTION REQUIRED
See the attached Rework Procedure.SERVICE CLAIM ALLOWANCES
Product age Caterpillar Dealer Suggested Customer Suggested
Parts Labor Hrs Parts Labor Hrs Parts Labor Hrs
0-12 mos 100% 4 0 0 0 0
This is a 4.0?hr job. The special tools listed in Table 1,2 and 3 are reusable. One set of tools per dealer allowed with affectedengines.
PARTS DISPOSITION
Handle the parts in accordance with your WarrantyBulletin on warranty parts handling.
Attach. (1-Rework Procedure)
Rework Procedure
Unit Injector - Removal ProcedureFirst remove the valve mechanism cover. Referto Disassembly and Assembly, "Valve Mechanism Cover - Remove and Install". Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life. Care must be taken to ensure that fluidsare contained during performance of inspection, maintenance, testing, adjustingand repair of the product. Be prepared to collect the fluid with suitablecontainers before opening any compartment or disassembling any componentcontaining fluids. Refer to Special Publication, NENG2500, "CaterpillarTools and Shop Products Guide" for tools and supplies suitable to collectand contain fluids on Caterpillar products. Dispose of all fluids accordingto local regulations and mandates.
Table 1 Required Tools
ToolA
Part Number Description Quantity
1U7587 Pry Bar 1
1U5718 Vacuum Pump 1
1697372 Bottle Assembly 1
4C4057 Plastic Tubing 1