PSP FOR TURBOCHARGER TURBINE WHEEL ON 789 TRUCKS AND 3516 ENGINES (SPARE) - PS4278 - MAILED US AND CANADA, COFA, LIMITED CAC O, LIMITED COSA
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PSP FOR TURBOCHARGER TURBINE WHEEL ON 789 TRUCKS AND 3516 ENGINES (SPARE) - PS4278 - MAILED US AND CANADA, COFA, LIMITED CAC O, LIMITED COSA
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.
U-113 A-80.1 AU-77 O-71.1 1052 PS4278 NOTE: This Program can be administered either before or after a failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS4278" as Part Number, "7755" as Group Number, and "96" as Description Code.
Termination Date
May 31, 1990
Problem
The turbocharger turbine wheel may fail on some 789 Trucks operating at altitudes above 5000 ft.
Affected Product
Model Identification Number Group 1 - Before Or After Failure (7C1278 Or 7C2367 Turbocharger Group) 789 9ZC1-140, 147-149, 151-157, 161-163, 170, 177-179 3516 54Z170, 179, 190, 196 NOTE: Affected Product previously repaired per the January 12, 1988 Service Letter - PS4171 should be consider under Group 2. Group 2 - Before Or After Failure (7C4718 Or 9Y1487 Turbocharger Group) 789 9ZC141-146, 150, 158-160, 164-169, 171-176, 180-236 3516 54Z206, 217, 233, 239, 240, 264
Parts Needed
Quantities shown are per turbocharger. There are four turbochargers on each product. Group 1 - Before Or After Failure - Per Turbocharger 1 - 9Y8266 Turbocharger Group 2 - 5P5700 Seal 1 - 7M7273 Gasket 1 - 0L1351 Bolt 1 - 5M2894 Washer 1 - 7W1944 Retainer 1 - 7N8875 Gasket 1 - 7N7559 Gasket 4 - 7N7628 Gasket Group 2 - After Failure - Per Turbocharger 1 - 9Y8266 Turbocharger Group 2 - 5P5700 Seal 1 - 7M7273 Gasket 1 - 7N8875 Gasket 1 - 7N7559 Gasket 4 - 7N7628 Gasket Group 2 - Before Failure - Per Turbocharger 2 - 5P5700 Seal 1 - 7M7273 Gasket 1 - 7N8875 Gasket 1 - 7N7559 Gasket 4 - 7N7628 Gasket 1 - 2F0808 Screw 1 - 1W4795 Nameplate 1 - 9Y8270 Housing - Turbine 1 - 9Y8268 Shaft & Wheel Assembly 4 - 9N2036 Plate 1 - 6N5004 Bearing 1 - 1P1120 Ring 1 - 7N3759 Ring 3 - 9M8915 Ring 1 - 9M8911 Collar 2 - 9M8919 Ring 1 - 9N2046 Spacer 1 - 9N2041 Bearing Kit
Action Required
Install applicable components listed under Parts Needed. If one turbocharger fails or is reworked prior to failure, update the other three turbochargers at the same time.
Service Claim Allowances
Product Caterpillar Dealer Suggested Customer Suggested smu/age Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs. whichever (D/N) (Cost) (C/L) (Sell) comes first Group 1 - Before Or After Failure 0-2500 100% 1 0 1 0 0 0-24 mo 2501-4000 33 1/3% .5 0 .5 50% 1 25-36 mo Group 2 - After Failure 0-2500 100% 1 0 1 0 0 0-24 mo 2501-4000 33 1/3% .5 0 .5 50% 1 25-36 mo Group 2 - Before Failure 0-2500 100% 1.8 0 1.7 0 0 0-24 mo 2501-4000 33 1/3% .9 0 .9 50% 1.7 25-36 mo NOTE: Labor hours shown are per turbocharger. There are four turbochargers per product. NOTE: This is a 8 to 12 hour job to update all four turbochargers. When filing a claim for a spare engine use the following serial numbers as the vehicle serial number: U.S. Dealers - 99Z21 CACO and Canadian Dealers - 99Z621 CofA Dealers - 99Z121 COSA Dealers - 99Z421
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
Caterpillar Information System:
PRIORITY - NEW BRAKE BEARING CAGE NEEDS TO BE INSTALLED IN WINCH ON CERTAIN D4H CUSTOM SKIDDERS - PI3395 - MAILED US AND CAN ADA PRIORITY - NEW BRAKE BEARING CAGE NEEDS TO BE INSTALLED IN WINCH ON CERTAIN D4H CUSTOM SKIDDERS - PI3395 - MAILED US AND CAN ADA
PSP FOR INSTALLING A NEW GUIDE TUBE FOR THE OIL LEVEL GAUGE GROUP ON CERTAIN D11N TRACTORS AND 3508 ENGINES - PS4338 - MAI LED US AND CANADA, COFA, COSA, LIMITED CACO PSP FOR INSTALLING A NEW GUIDE TUBE FOR THE OIL LEVEL GAUGE GROUP ON CERTAIN D11N TRACTORS AND 3508 ENGINES - PS4338 - MAI LED US AND CANADA, COFA, COSA, LIMITED CACO
PARTS STOCK ACTION ONLY - CERTAIN 7000 SERIES FUEL INJECTION NOZZLES NEED TO BE REMOVED FROM PARTS STOCK - PI7210 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA, TRUCK TEPS PARTS STOCK ACTION ONLY - CERTAIN 7000 SERIES FUEL INJECTION NOZZLES NEED TO BE REMOVED FROM PARTS STOCK - PI7210 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA, TRUCK TEPS
PSP FOR CRACKS ON THE DEMOUNTABLE RIM ON CERTAIN 528 SKIDDERS EQUIPPED WITH A GRAPPLE - PS4329 - MAILED US AND CANADA, CACO, COF A, CFEL, COSA PSP FOR CRACKS ON THE DEMOUNTABLE RIM ON CERTAIN 528 SKIDDERS EQUIPPED WITH A GRAPPLE - PS4329 - MAILED US AND CANADA, CACO, COF A, CFEL, COSA
PSP FOR INCREASING THE WELD WEAR BUFFER AND INCREASING THE STRENGTH OF THE END PLATE ASSEMBLIES ON U AND SU BULLDOZERS FOR D9N TRACTORS - PS0385 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA PSP FOR INCREASING THE WELD WEAR BUFFER AND INCREASING THE STRENGTH OF THE END PLATE ASSEMBLIES ON U AND SU BULLDOZERS FOR D9N TRACTORS - PS0385 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA
SERVICE LETTER EXTENSION - MARCH 19, 1988 - PS4223 - PSP FOR FAN SPIDER FAILURES ON CERTAIN D4H TRACTORS EQUIPPED WITH BLO WER FAN - MAILED US AND CANADA, CACO, COFA, CFEL, COSA SERVICE LETTER EXTENSION - MARCH 19, 1988 - PS4223 - PSP FOR FAN SPIDER FAILURES ON CERTAIN D4H TRACTORS EQUIPPED WITH BLO WER FAN - MAILED US AND CANADA, CACO, COFA, CFEL, COSA
SERVICE LETTER EXTENSION - PS4211 - PSP OSCILLATING HITCH RETAINING BOLTS ON 518 SKIDDERS, 518 GRAPPLE SKIDDERS, FB 518 FEL LER BUNCHER - MAILED US AND CANADA, CACO, COFA, CFEL SERVICE LETTER EXTENSION - PS4211 - PSP OSCILLATING HITCH RETAINING BOLTS ON 518 SKIDDERS, 518 GRAPPLE SKIDDERS, FB 518 FEL LER BUNCHER - MAILED US AND CANADA, CACO, COFA, CFEL
PSP FOR REINFORCING THE EJECTOR ON CERTAIN 631E AND 637E SCRAPERS - PS4323 - MAILED US AND CANADA, CACO, COFA, CFEL, COS A PSP FOR REINFORCING THE EJECTOR ON CERTAIN 631E AND 637E SCRAPERS - PS4323 - MAILED US AND CANADA, CACO, COFA, CFEL, COS A
PARTS STOCK ACTION ONLY - CERTAIN 3T4418, 6T4949, 6T7663, 7T0988, AND 9W3187 SWITCH ASSEMBLIES - PRESSURE NEED TO BE REM OVED FROM PARTS STOCK - PI7209 - MAILED US AND CANADA, CACO COFA, BRAZIL, CFEL, COSA PARTS STOCK ACTION ONLY - CERTAIN 3T4418, 6T4949, 6T7663, 7T0988, AND 9W3187 SWITCH ASSEMBLIES - PRESSURE NEED TO BE REM OVED FROM PARTS STOCK - PI7209 - MAILED US AND CANADA, CACO COFA, BRAZIL, CFEL, COSA
Brackets And Clamps Need To Be Installed On The Fuel Lines Group Of Certain D10N Tractors And 992C Loaders Brackets And Clamps Need To Be Installed On The Fuel Lines Group Of Certain D10N Tractors And 992C Loaders
PSP FOR REPLACING THE DIFFERENTIAL GROUP AND CASE ASSEMBLY ON CERTAIN 508 SKIDDERS AND FB 508 FELLER BUNCHERS - PS4316 - MAI LED US AND CANADA, LIMITED COSA PSP FOR REPLACING THE DIFFERENTIAL GROUP AND CASE ASSEMBLY ON CERTAIN 508 SKIDDERS AND FB 508 FELLER BUNCHERS - PS4316 - MAI LED US AND CANADA, LIMITED COSA
PSP FOR IMPROVING ACCESS TO THE TRANSMISSION FILTER ON CERTAIN 637E SCRAPERS - PS4311 - MAILED US AND CANADA, LIMITED COSA PSP FOR IMPROVING ACCESS TO THE TRANSMISSION FILTER ON CERTAIN 637E SCRAPERS - PS4311 - MAILED US AND CANADA, LIMITED COSA
PSP FOR CRACKS ON THE DEMOUNTABLE RIM ON CERTAIN 528 SKIDDERS EQUIPPED WITH A GRAPPLE - PS4330 - MAILED US AND CANADA, CACO, COF A, CFEL, COSA PSP FOR CRACKS ON THE DEMOUNTABLE RIM ON CERTAIN 528 SKIDDERS EQUIPPED WITH A GRAPPLE - PS4330 - MAILED US AND CANADA, CACO, COF A, CFEL, COSA
WASHER MAY NEED TO BE INSTALLED IN HYDRAULIC FILERS ON CERTAIN 992C LOADERS - PI3417 - MAILED US, CANADA, COFA, LIMITED CACO AND COSA WASHER MAY NEED TO BE INSTALLED IN HYDRAULIC FILERS ON CERTAIN 992C LOADERS - PI3417 - MAILED US, CANADA, COFA, LIMITED CACO AND COSA
PSP FOR EXCESSIVE AIR SIDE PLUGGING OF FOLDED CORE RADIATORS IN CERTAIN IT18, IT18B, 1T28, 1T28B TOOLCARRIERS; 916, 926 /926E, G926, 936/936E LOADERS - PS0391 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA - REVISED 10/91 PSP FOR EXCESSIVE AIR SIDE PLUGGING OF FOLDED CORE RADIATORS IN CERTAIN IT18, IT18B, 1T28, 1T28B TOOLCARRIERS; 916, 926 /926E, G926, 936/936E LOADERS - PS0391 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA - REVISED 10/91
PSP FOR REPLACING THE PISTONS IN THE WINCHES ON CERTAIN D6H TRACTORS - PS4302 - MAILED US AND CANADA, CACO, COFA, CFEL, COS A PSP FOR REPLACING THE PISTONS IN THE WINCHES ON CERTAIN D6H TRACTORS - PS4302 - MAILED US AND CANADA, CACO, COFA, CFEL, COS A
PSP FOR TRACK JOINT FAILURE (LEAKS) ON D8L, D9L, AND D10 TRACTORS - PS0381 - MAILED CACO PSP FOR TRACK JOINT FAILURE (LEAKS) ON D8L, D9L, AND D10 TRACTORS - PS0381 - MAILED CACO
SERVICE LETTER EXTENSION - MAY 21, 1988 - PS4224 - PSP FOR DAMAGED BOLTS IN GOVERNOR FLYWEIGHT CARRIER AND AUTOMATIC TIM ING ADVANCE UNITS IN D8N, 621E, 623E, 627E, 824C TRACTORS; 980C LOADERS; 245 EXCAVATORS; 16G MOTOR GRADERS; 825C, 826C COMPAC TOR SERVICE LETTER EXTENSION - MAY 21, 1988 - PS4224 - PSP FOR DAMAGED BOLTS IN GOVERNOR FLYWEIGHT CARRIER AND AUTOMATIC TIM ING ADVANCE UNITS IN D8N, 621E, 623E, 627E, 824C TRACTORS; 980C LOADERS; 245 EXCAVATORS; 16G MOTOR GRADERS; 825C, 826C COMPAC TOR
Product Support Program For Replacing The Case And Frame Assembly On Certain D5H and D5H LGP Tractors Product Support Program For Replacing The Case And Frame Assembly On Certain D5H and D5H LGP Tractors
PSP FOR REPLACING THE CASE AND FRAME ASSEMBLY ON CERTAIN D5H AND D5H LGP TRACTORS - PS0388 - MAILED COSA PSP FOR REPLACING THE CASE AND FRAME ASSEMBLY ON CERTAIN D5H AND D5H LGP TRACTORS - PS0388 - MAILED COSA
PARTS STOCK ACTION ONLY - NEW CYLINDER HEAD GASKETS ON 3406 ENGINES - PI7211 - MAILED US, CANADA, COFA, BRAZIL, CFEL, COSA TRU CK TEPS, MARINE TEPS AND AGRICULTURAL TEPS PARTS STOCK ACTION ONLY - NEW CYLINDER HEAD GASKETS ON 3406 ENGINES - PI7211 - MAILED US, CANADA, COFA, BRAZIL, CFEL, COSA TRU CK TEPS, MARINE TEPS AND AGRICULTURAL TEPS
PSP FOR EXCESSIVE AIR SIDE PLUGGING OF FOLDED CORE RADIATORS IN CERTAIN D6H, D7H, D8N TRACTORS - PS0390 - MAILED US AND CAN ADA, CACO, COFA, CFEL, COSA PSP FOR EXCESSIVE AIR SIDE PLUGGING OF FOLDED CORE RADIATORS IN CERTAIN D6H, D7H, D8N TRACTORS - PS0390 - MAILED US AND CAN ADA, CACO, COFA, CFEL, COSA
PARTS STOCK ACTION ONLY - 3G3391 ELEVATOR CHAINS IN PARTS STOCK MAY BE IMPROPERLY ASSEMBLED - PI7212 - MAILED US, CANADA CAC O, COFA, BRAZIL, CFEL, COSA PARTS STOCK ACTION ONLY - 3G3391 ELEVATOR CHAINS IN PARTS STOCK MAY BE IMPROPERLY ASSEMBLED - PI7212 - MAILED US, CANADA CAC O, COFA, BRAZIL, CFEL, COSA
PSP FOR INCREASING THE SERVICE LIFE OF POWER ANGLE TILT BULLDOZER COMPONENTS ON CERTAIN D4H TRACTORS - PS4298 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA - REVISED 4/90 PSP FOR INCREASING THE SERVICE LIFE OF POWER ANGLE TILT BULLDOZER COMPONENTS ON CERTAIN D4H TRACTORS - PS4298 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA - REVISED 4/90