PSP FOR REPLACING UNIT INJECTOR RETURN SPRINGS ON CERTAIN D11N TRACTORS; 776B TRACTORS; 777B, 785, 789 TRUCKS; 3508, 3512, 351 6 ENGINES - PS4591 - MAILED BRAZIL
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PSP FOR REPLACING UNIT INJECTOR RETURN SPRINGS ON CERTAIN D11N TRACTORS; 776B TRACTORS; 777B, 785, 789 TRUCKS; 3508, 3512, 351 6 ENGINES - PS4591 - MAILED BRAZIL
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.
May 31, 1991 B-18 PRODUCT SUPPORT PROGRAM FOR REPLACING UNIT INJECTOR RETURN SPRINGS ON CERTAIN D11N TRACTORS; 776B TRACTORS; 777B, 785, AND 789 TRUCKS; AND 3508, 3512, AND 3516 ENGINES. 1290 PS0548 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 "PS0548" as Part Number, "7755" as Group Number, and "96" as Description Code. NOTE: Although this Program can only be administered after failure on the Affected Product, parts stock should be reworked as soon as possible.
Termination Date
May 31, 1992
Problem
The return springs for Type 2 unit injectors on certain D11N Tractors; 776B Tractors; 777B, 785, and 789 Trucks; and 3508, 3512, and 3516 Engines may fail in some applications. Type 2 injectors are described on page 10 of the October 2, 1989 Service Magazine.
Affected Product
Model Identification Number D11N 74Z1-862 776B 6JC1-83 777B 4YC1-1486, 1493 785 8GB1-443, 445-449, 461, 473 789 9ZC1-493, 495-501 3508 1ZF1-560 95Y1-775 96Y1-1111 97Y1-672 23Z1-3267 68Z1-768 69Z1-547 70Z1-765 3512 3YF1-530 49Y1-587 50Y1-907 51Y1-624 24Z1-3443 65Z1-708 66Z1-412 67Z1-778 3516 4XF1-349 9KF1-54 5MJ1-24 25Z1-2015 27Z1-679 28Z1-621 29Z1-941 71Z1-294 72Z1-399 73Z1-395
Parts Needed
1 - 4P3487 Spring 1 - 6V1250 Seal (Use as required per injector) 2 - 8J8725 Seal (Use as required per injector)
Action Required
NOTE: Type 2 injectors are described on page 10 of the October 2, 1989 Service Magazine. **** Parts Stock **** Replace the unit injector return spring on the following fuel injectors parts stock if the existing spring has a white or a pink paint stripe on it. The new 4P3487 Springs have a blue paint stripe on them. NEW REMANUFACTURED 7C4173 0R2922 7C4174 0R2923 7C4175 0R2924 7C9576 0R1759 7C9577 0R1758 7C9578 0R1757 / 0R1756 7C9579 0R2927 7C9580 0R2928 7C9581 0R2926 7E3381 0R3051 7E3382 0R2921 7E3383 0R2925 7E3384 0R3052 ***** Affected Product ***** Replace the spring on the failed injector and install the new spring on all of remaining injectors. See Special Instruction SEHS9287 "Spring Replacement for Type 2 Fuel Injectors." The procedure and tooling described in the Special Instruction must be used to replace the injector springs.
Service Claim Allowances
***** Parts Stock ***** Submit one claim for all Type 2 unit injectors in parts stock that are reworked. It is a .2-hour job to replace a unit injector return spring. ***** Affected Product ***** **** 3508 Engines **** Product Caterpillar Dealer Suggested Customer Suggested smu Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs. 0-4000 100% 6.5 0 0 0 0 4001-8000 50% 3.3 0 0 50% 3.2 NOTE: This is a 6.5-hour job. **** 3512 Engines **** Product Caterpillar Dealer Suggested Customer Suggested smu Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs. 0-4000 100% 9.5 0 0 0 0 4001-8000 50% 4.8 0 0 50% 4.7 NOTE: This is a 9.5-hour job. **** 3516 Engines **** Product Caterpillar Dealer Suggested Customer Suggested smu Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs. 0-4000 100% 12.2 0 0 0 0 4001-8000 50% 6.1 0 0 50% 6.1 NOTE: This is a 12.2-hour job. **** D11N Tractors, 776B Tractors, and 777B Trucks **** Product Caterpillar Dealer Suggested Customer Suggested smu Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs. (D/N) (Cost) (C/L) (Sell) 0-4000 100% 4 0 4 0 0 4001-8000 33 1/3% 2 0 2 50% 4 NOTE: This is an 8-hour job. **** 785 Trucks **** Product Caterpillar Dealer Suggested Customer Suggested smu Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs. (D/N) (Cost) (C/L) (Sell) 0-4000 100% 5.5 0 5.5 0 0 4001-8000 33 1/3% 2.8 0 2.7 50% 5.5 NOTE: This is an 11-hour job. **** 789 Trucks **** Product Caterpillar Dealer Suggested Customer Suggested smu Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs. (D/N) (Cost) (C/L) (Sell) 0-4000 100% 7.5 0 7.5 0 0 4001-8000 33 1/3% 3.8 0 3.7 50% 7.5 NOTE: This is a 15-hour job.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
Caterpillar Information System:
PSP FOR REPLACING UNIT INJECTOR RETURN SPRINGS ON CERTAIN D11N TRACTORS; 776B TRACTORS; 777B, 785, 789 TRUCKS; 3508, 3512, 351 6 ENGINES - PS4591 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA, MARINE TEPS PSP FOR REPLACING UNIT INJECTOR RETURN SPRINGS ON CERTAIN D11N TRACTORS; 776B TRACTORS; 777B, 785, 789 TRUCKS; 3508, 3512, 351 6 ENGINES - PS4591 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA, MARINE TEPS
SERVICE LETTER SUPPLEMENT - SAFETY - PARTS STOCK ACTION NEEDED - NEW FUEL CAPS NEED TO BE INSTALLED ON CERTAIN CHALLENGER 65 TRA CTORS - PI1161 - MAILED US AND CANADA, CACO, COFA, CFEL, LIMITED BRAZIL - REVISED 01/92 SERVICE LETTER SUPPLEMENT - SAFETY - PARTS STOCK ACTION NEEDED - NEW FUEL CAPS NEED TO BE INSTALLED ON CERTAIN CHALLENGER 65 TRA CTORS - PI1161 - MAILED US AND CANADA, CACO, COFA, CFEL, LIMITED BRAZIL - REVISED 01/92
The Cartridge Assemblies For the Transmission Control Solenoids Need To Be Replaced On Certain IT12B And IT14B Integrated Toolcarriers; And 910E Loaders The Cartridge Assemblies For the Transmission Control Solenoids Need To Be Replaced On Certain IT12B And IT14B Integrated Toolcarriers; And 910E Loaders
7T9074 Parking Brake Solenoid Needs To Be Inspected On Certain 12G, 14G, 16G, 120G, 130G, 140G, And 160G Motor Graders 7T9074 Parking Brake Solenoid Needs To Be Inspected On Certain 12G, 14G, 16G, 120G, 130G, 140G, And 160G Motor Graders
PSP FOR UPDATING THE WATER SPRAY SYSTEM ON CERTAIN CB-534 COMPACTORS - PS4597 - MAILED US AND CANADA, CACO PSP FOR UPDATING THE WATER SPRAY SYSTEM ON CERTAIN CB-534 COMPACTORS - PS4597 - MAILED US AND CANADA, CACO
PSP FOR REPLACING CRACKED SWING FRAMES ON CERTAIN 446 BACKHOE LOADERS - PS0475 - MAILED US AND CANADA, CACO PSP FOR REPLACING CRACKED SWING FRAMES ON CERTAIN 446 BACKHOE LOADERS - PS0475 - MAILED US AND CANADA, CACO
PRIORITY - PARTS STOCK ACTION NEEDED - NEW SOLENOID TO CONTROL GOVERNOR HORSEPOWER SETTING NEEDS TO BE INSTALLED ON CERTAIN 140 G VHP MOTOR GRADERS, 518 SKIDDERS, AND 518 GRAPPLE SKIDDERS - PI3538 - MAILED US AND CANADA, CACO, COSA, LIMITED COFA - RE PRIORITY - PARTS STOCK ACTION NEEDED - NEW SOLENOID TO CONTROL GOVERNOR HORSEPOWER SETTING NEEDS TO BE INSTALLED ON CERTAIN 140 G VHP MOTOR GRADERS, 518 SKIDDERS, AND 518 GRAPPLE SKIDDERS - PI3538 - MAILED US AND CANADA, CACO, COSA, LIMITED COFA - RE
SERVICE LETTER EXTENSION FOR APRIL 9, 1990 SL - PSP FOR TURBOCHARGER TURBINE WHEEL ON D11N TRACTORS; 776B TRACTORS; 777 B TRUCKS; AND 3508 ENGINES (SPARE) - PS4394 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA SERVICE LETTER EXTENSION FOR APRIL 9, 1990 SL - PSP FOR TURBOCHARGER TURBINE WHEEL ON D11N TRACTORS; 776B TRACTORS; 777 B TRUCKS; AND 3508 ENGINES (SPARE) - PS4394 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA
Product Support Program For Repairing The Rear Axle Housings On Certain 776B Tractors And 777B Trucks Product Support Program For Repairing The Rear Axle Housings On Certain 776B Tractors And 777B Trucks
Supplemental Steering Control Needs To Be Inspected On Certain 12G, 14G, 16G, 130G, And 140G Motor Graders; 772B Tractors; And 769C, 773B, 777, And 777B Trucks Supplemental Steering Control Needs To Be Inspected On Certain 12G, 14G, 16G, 130G, And 140G Motor Graders; 772B Tractors; And 769C, 773B, 777, And 777B Trucks
PSP FOR INSTALLING A NEW PROPEL CONTROL ORIFICE IN CERTAIN CB- 434 COMPACTORS - PS4596 - MAILED US AND CANADA, CACO PSP FOR INSTALLING A NEW PROPEL CONTROL ORIFICE IN CERTAIN CB- 434 COMPACTORS - PS4596 - MAILED US AND CANADA, CACO
New Control Assemblies Need To Be Installed In Certain CB534 Compactors New Control Assemblies Need To Be Installed In Certain CB534 Compactors
PSP FOR INCREASING THE LUBRICATION TO THE VALVE TRAIN ON CERTAIN LOW SPEED 3406B GENERATOR SET, INDUSTRIAL, AND MARINE ENG INES - PS4632 - MAILED US AND CANADA, CACO, CFEL, MARINE TEPS, LIMITED COFA, LIMITED COSA PSP FOR INCREASING THE LUBRICATION TO THE VALVE TRAIN ON CERTAIN LOW SPEED 3406B GENERATOR SET, INDUSTRIAL, AND MARINE ENG INES - PS4632 - MAILED US AND CANADA, CACO, CFEL, MARINE TEPS, LIMITED COFA, LIMITED COSA
Product Support Program For Reinforcing The Horizontal Beam Body On Certain 769C, 773B, And 777B Trucks Product Support Program For Reinforcing The Horizontal Beam Body On Certain 769C, 773B, And 777B Trucks
New Swing Drive Coupling Needs To Be Installed In Certain 225D And 231D Excavators; And FB227 Feller Bunchers New Swing Drive Coupling Needs To Be Installed In Certain 225D And 231D Excavators; And FB227 Feller Bunchers
SERVICE LETTER SUPPLEMENT FOR DECEMBER 29, 1990 SL - PRIORITY - TORQUE CONVERTER INLET FILTER HOUSING NEEDS TO BE INSPECTED ON CERTAIN 777, 785, AND 789 TRUCKS - PI3504 - MAILED CFEL SERVICE LETTER SUPPLEMENT FOR DECEMBER 29, 1990 SL - PRIORITY - TORQUE CONVERTER INLET FILTER HOUSING NEEDS TO BE INSPECTED ON CERTAIN 777, 785, AND 789 TRUCKS - PI3504 - MAILED CFEL
SERVICE LETTER EXTENSION FOR JUNE 9, 1989 SL - PSP FOR INSTALLING ETHER AID TIMER ON CERTAIN 789 TRUCKS - PS4331 - MAI LED US AND CANADA, COFA, COSA, LIMITED CACO SERVICE LETTER EXTENSION FOR JUNE 9, 1989 SL - PSP FOR INSTALLING ETHER AID TIMER ON CERTAIN 789 TRUCKS - PS4331 - MAI LED US AND CANADA, COFA, COSA, LIMITED CACO
PSP FOR PREVENTING REAR WHEEL BEARING CONES FROM ROTATING ON THE AXLE HOUSING OF CERTAIN 785 AND 789 TRUCKS - PS4637 - MAI LED US AND CANADA, COFA, BRAZIL, CFEL, COSA, LIMITED CACO PSP FOR PREVENTING REAR WHEEL BEARING CONES FROM ROTATING ON THE AXLE HOUSING OF CERTAIN 785 AND 789 TRUCKS - PS4637 - MAI LED US AND CANADA, COFA, BRAZIL, CFEL, COSA, LIMITED CACO
SERVICE LETTER EXTENSION FOR JUNE 11, 1990 SL - PSP FOR INSTALLING A NEW PISTON RETAINING BOLT IN THE 9T2879 ART ICULATION CYLINDERS ON CERTAIN 14G MOTOR GRADERS - PS4487 - MAILED US AND CANADA, CACO, CFEL, COSA SERVICE LETTER EXTENSION FOR JUNE 11, 1990 SL - PSP FOR INSTALLING A NEW PISTON RETAINING BOLT IN THE 9T2879 ART ICULATION CYLINDERS ON CERTAIN 14G MOTOR GRADERS - PS4487 - MAILED US AND CANADA, CACO, CFEL, COSA
Product Support Program For Repairing Frame Cracks In The Transitional Castings On Certain 789 Trucks Product Support Program For Repairing Frame Cracks In The Transitional Castings On Certain 789 Trucks
The ROPS Needs To Be Inspected For Cracks On Certain CP323 And CS323 Compactors The ROPS Needs To Be Inspected For Cracks On Certain CP323 And CS323 Compactors
Product Support Program For Replacement Of The Transfer Gear Case On Certain D350D And D400D Articulated Dump Trucks Product Support Program For Replacement Of The Transfer Gear Case On Certain D350D And D400D Articulated Dump Trucks
Product Support Program For Replacing The Pulse Deflector In Certain Challenger 65 Tractors, 235C Excavators, 621S Scrapers, And 637E Scrapers Product Support Program For Replacing The Pulse Deflector In Certain Challenger 65 Tractors, 235C Excavators, 621S Scrapers, And 637E Scrapers
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