PSP FOR REPLACING THE STUB SHAFT & BEARING AS. IN THE 4N1092 REAR BALANCER GROUP ON CERTAIN 631E, 637E, 657E SCRAPERS; 768C TRA CTORS; 769C TRUCKS; 3408 INDUSTRIAL, MARINE, SPARK-IGNITED, & GENERATOR SET ENGINES - PS4572 - MAILED US, CANADA, CACO, BR
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PSP FOR REPLACING THE STUB SHAFT & BEARING AS. IN THE 4N1092 REAR BALANCER GROUP ON CERTAIN 631E, 637E, 657E SCRAPERS; 768C TRA CTORS; 769C TRUCKS; 3408 INDUSTRIAL, MARINE, SPARK-IGNITED, & GENERATOR SET ENGINES - PS4572 - MAILED US, CANADA, CACO, BRAZIL , CFEL, COSA, MARINE TEPS, LIMITED COFA
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-23 A-16 AU-12.1 B-3 E-19 O-22 TM-6 1220 PS4572 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 "PS4572" as Part Number, "7755" as Group Number, and "96" as Description Code.
Termination Date
February 29, 1992
Problem
The surface finish of the stub shaft in the 4N1092 Rear Balancer Group of certain 631E, 637E, and 657E Scrapers; 768C Tractors; 769C Trucks; and 3408 Industrial, Marine, Spark-Ignited, and Generator Set Engines may not be as smooth as specifications require. A surface that is not smooth enough can reduce the service life of the bearing in the gear assembly.
Affected Product
Model Identification Number 631E 05A9833 1AB1385-1403, 1408 637E 1FB512-514 657E 91Z398, 403, 405-407, 420 768C 02X369, 370 769C 01X5436, 5438-5454, 5457-5548, 5553, 5557, 5559, 5562, 5563, 5566 3408 6NB804-818 67U13987-14078, 14080-14085, 14087, 14088, 14090-14093, 14097- 14104, 14107-14109, 14111, 14115, 14117 99U6873-6914, 6916, 6917 78Z3958-4020, 4022-4025, 4027, 4029, 4031-4033, 4035, 4037-4039
Parts Needed
1 - 4N1015 Bearing 1 - 4N1151 Gasket (Oil Pan) 1 - 7N9331 Gasket (Flywheel Housing) 1 - 1W4449 Shaft 1 - 2W1734 Seal (Crankshaft/Rear)
Action Required
Follow the procedures in the Service Manual. Where appropriate, the engine will need to be removed from the vehicle. Remove the flywheel housing and the 4N1092 Rear Balancer Group. Replace the 1W4449 Shaft and the 4N1015 Bearing (part of 4N1018 Gear Assembly).
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 **** 768C Tractors and 769C Trucks **** 0-4000 100% 35 - 35 - - 0-24 mo 4001-6000 33 1/3% 17.5 - 17.5 50% 35 25-36 mo NOTE: This is a 70-hour job. **** 631E, 637E, and 657E Scrapers **** 0-4000 100% 40 - 40 - - 0-24 mo 4001-6000 33 1/3% 20 - 20 50% 40 25-36 mo NOTE: This is an 80-hour job. Product Caterpillar Dealer Suggested Customer Suggested smu/age Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs. whichever comes first **** 3408 Industrial, Generator Set, and SI Engines **** 0-4000 100% 10 - - - - 0-24 mo 4001-6000 100% 5 - - - 5 25-36 mo NOTE: This is a 10-hour job. **** 3408 Marine Engines **** 0-4000 100% 29 - - - - 0-24 mo 4001-6000 100% 15 - - - 14 25-36 mo NOTE: This is a 29-hour job.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
Caterpillar Information System:
SERVICE LETTER EXTENSION FOR DECEMBER 22, 1989 SL - PSP FOR INSTALLING THERMOCOUPLES TO MONITOR EXHAUST GAS TEMPERATURES ON CERTAIN D11N TRACTORS; 776B TRACTORS; 777B, 785, AND 789 TRUCKS - PS4399 - MAILED US AND CANADA, CACO, CFEL, COSA SERVICE LETTER EXTENSION FOR DECEMBER 22, 1989 SL - PSP FOR INSTALLING THERMOCOUPLES TO MONITOR EXHAUST GAS TEMPERATURES ON CERTAIN D11N TRACTORS; 776B TRACTORS; 777B, 785, AND 789 TRUCKS - PS4399 - MAILED US AND CANADA, CACO, CFEL, COSA
SERVICE LETTER EXTENSION FOR DECEMBER 21, 1989 SL - PSP FOR INCREASING THE WELD ON THE TRANSMISSION TUBE ASSEMBLIES (SLIDE TRA CKS), AND INSTALLING BEVEL GEAR, BEVEL GEAR SHAFT BEARING, AND RETAINING BOLTS ON CERTAIN D10N TRACTORS - PS4390 - MAILED U SERVICE LETTER EXTENSION FOR DECEMBER 21, 1989 SL - PSP FOR INCREASING THE WELD ON THE TRANSMISSION TUBE ASSEMBLIES (SLIDE TRA CKS), AND INSTALLING BEVEL GEAR, BEVEL GEAR SHAFT BEARING, AND RETAINING BOLTS ON CERTAIN D10N TRACTORS - PS4390 - MAILED U
Product Support Program For Replacing The Front Bevel Gear And Pinion On Certain 988B Wheel Loaders With Custom Modified Torque Converters Product Support Program For Replacing The Front Bevel Gear And Pinion On Certain 988B Wheel Loaders With Custom Modified Torque Converters
PSP FOR REPLACING THE OIL PAN ON CERTAIN 215C, 215D, 219, 219D, 225B, 225D, 229, 229D EXCAVATORS; CP-643, CS-643, CP-653, CS- 653 COMPACTORS; 936, G936, 936E, 950B, 950E LOADERS; & ALBARET BUILT VM1203, VM1204 COMPACTORS - PS0484 - MAILED US AND CAN PSP FOR REPLACING THE OIL PAN ON CERTAIN 215C, 215D, 219, 219D, 225B, 225D, 229, 229D EXCAVATORS; CP-643, CS-643, CP-653, CS- 653 COMPACTORS; 936, G936, 936E, 950B, 950E LOADERS; & ALBARET BUILT VM1203, VM1204 COMPACTORS - PS0484 - MAILED US AND CAN
SERVICE LETTER SUPPLEMENT FOR OCTOBER 2, 1990 - PSP FOR REWORKING AND UPDATING THE WINCH ON CERTAIN 518 SKIDDERS - PS4 458 - MAILED US AND CANADA SERVICE LETTER SUPPLEMENT FOR OCTOBER 2, 1990 - PSP FOR REWORKING AND UPDATING THE WINCH ON CERTAIN 518 SKIDDERS - PS4 458 - MAILED US AND CANADA
PRIORITY - CABLE ASSEMBLY RETAINING NUTS IN THE TRANSMISSION CONTROL GROUP MAY NEED TO BE TIGHTENED ON CERTAIN D6H, D7H, AND D8N TRACTORS EQUIPPED WITH DIFFERENTIAL STEERING - PI3512 - MAILED US AND CANADA, CACO, CFEL, COSA, LIMITED COFA PRIORITY - CABLE ASSEMBLY RETAINING NUTS IN THE TRANSMISSION CONTROL GROUP MAY NEED TO BE TIGHTENED ON CERTAIN D6H, D7H, AND D8N TRACTORS EQUIPPED WITH DIFFERENTIAL STEERING - PI3512 - MAILED US AND CANADA, CACO, CFEL, COSA, LIMITED COFA
PARTS STOCK ACTION ONLY - 1R0711 FUEL FILTERS NEED TO BE REMOVED FROM PARTS STOCK - PI7260 - MAILED US AND CANADA, CACO, CO FA, BRAZIL, CFEL, COSA PARTS STOCK ACTION ONLY - 1R0711 FUEL FILTERS NEED TO BE REMOVED FROM PARTS STOCK - PI7260 - MAILED US AND CANADA, CACO, CO FA, BRAZIL, CFEL, COSA
Product Support Program For Installing A New Bearing In The Steering Control Group Of Certain 621E, 623E, 637E, 631E, 637E, 657E, And 657E Wheel Tractors Product Support Program For Installing A New Bearing In The Steering Control Group Of Certain 621E, 623E, 637E, 631E, 637E, 657E, And 657E Wheel Tractors
Product Support Program For Replacing Bulldozer Trunnion Support Assembly On Certain 824C Wheel Tractors Product Support Program For Replacing Bulldozer Trunnion Support Assembly On Certain 824C Wheel Tractors
PRIORITY - THE BOLTS THAT HOLD THE DIFFERENTIAL PINION IN PLACE MAY WORK LOOSE ON CERTAIN 623E WHEEL TRACTORS - PI3500 - MAI LED US AND CANADA, COSA, LIMITED COFA PRIORITY - THE BOLTS THAT HOLD THE DIFFERENTIAL PINION IN PLACE MAY WORK LOOSE ON CERTAIN 623E WHEEL TRACTORS - PI3500 - MAI LED US AND CANADA, COSA, LIMITED COFA
SERVICE LETTER SUPPLEMENT FOR AUGUST 07, 1990 SL - PSP FOR STEERING CONTROL VALVE INSTABILITY ON CERTAIN D9N AND D10N TRA CTORS - PS0473 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA SERVICE LETTER SUPPLEMENT FOR AUGUST 07, 1990 SL - PSP FOR STEERING CONTROL VALVE INSTABILITY ON CERTAIN D9N AND D10N TRA CTORS - PS0473 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA
SERVICE LETTER EXTENSION FOR OCTOBER 13, 1989 SL - PSP FOR INSTALLING A NEW DRIVE SHAFT SLIP JOINT GROUP, SPIDER, AND SHA FT ASSEMBLIES IN CERTAIN 518 SKIDDERS AND 518 GRAPPLE SKIDDERS - PS4372 - MAILED US AND CANADA, CACO, COFA,CFEL, COSA SERVICE LETTER EXTENSION FOR OCTOBER 13, 1989 SL - PSP FOR INSTALLING A NEW DRIVE SHAFT SLIP JOINT GROUP, SPIDER, AND SHA FT ASSEMBLIES IN CERTAIN 518 SKIDDERS AND 518 GRAPPLE SKIDDERS - PS4372 - MAILED US AND CANADA, CACO, COFA,CFEL, COSA
PARTS STOCK ACTION ONLY - 5D4243 LUG NUTS NEED TO BE REMOVED FROM PARTS STOCK - PI7262 - MAILED US AND CANADA, CACO, COFA, CFE L, COSA PARTS STOCK ACTION ONLY - 5D4243 LUG NUTS NEED TO BE REMOVED FROM PARTS STOCK - PI7262 - MAILED US AND CANADA, CACO, COFA, CFE L, COSA
PSP FOR INSTALLING NEW PISTONS AND PISTON RINGS IN CERTAIN D6D SR TRACTORS - PS4570 - MAILED BRAZIL, LIMITED US AND CANADA PSP FOR INSTALLING NEW PISTONS AND PISTON RINGS IN CERTAIN D6D SR TRACTORS - PS4570 - MAILED BRAZIL, LIMITED US AND CANADA
PSP FOR REPLACING THE WATER TEMPERATURE REGULATOR ON CERTAIN D4E, D5B, D6D, D6E TRACTORS; 120B, 120G, 140B, 140G MOTOR GRA DERS; 621S WHEEL TRACTORS; 930R, 930T, 966C, 966R WHEEL LOADERS; 3306B ENGINES - PS4571 - MAILED US AND CANADA, CACO, COFA, BRA PSP FOR REPLACING THE WATER TEMPERATURE REGULATOR ON CERTAIN D4E, D5B, D6D, D6E TRACTORS; 120B, 120G, 140B, 140G MOTOR GRA DERS; 621S WHEEL TRACTORS; 930R, 930T, 966C, 966R WHEEL LOADERS; 3306B ENGINES - PS4571 - MAILED US AND CANADA, CACO, COFA, BRA
SERVICE LETTER SUPPLEMENT FOR JANUARY 31, 1991 SL - PSP FOR REPLACING THE OIL PAN ON CERTAIN 215C, 215D, 219, 219D, 225B, 225 D, 229, AND 229D EXCAVATORS; AND 936, G936, 936E, 950B, AND 950E LOADERS - PS0484 - MAILED US AND CANADA, CACO, COFA, CFEL, SERVICE LETTER SUPPLEMENT FOR JANUARY 31, 1991 SL - PSP FOR REPLACING THE OIL PAN ON CERTAIN 215C, 215D, 219, 219D, 225B, 225 D, 229, AND 229D EXCAVATORS; AND 936, G936, 936E, 950B, AND 950E LOADERS - PS0484 - MAILED US AND CANADA, CACO, COFA, CFEL,
SERVICE LETTER EXTENSION FOR JANUARY 26, 1990 SL - PSP FOR REPEAT TRACK JOINT FAILURES (LEAKS) ON D8N TRACTORS - PS0430 - MAI LED COFA, CFEL, COSA SERVICE LETTER EXTENSION FOR JANUARY 26, 1990 SL - PSP FOR REPEAT TRACK JOINT FAILURES (LEAKS) ON D8N TRACTORS - PS0430 - MAI LED COFA, CFEL, COSA
SERVICE LETTER EXTENSION FOR APRIL 20, 1990 SL - PSP FOR REPEAT TRACK JOINT FAILURES (LEAKS) ON D8N TRACTORS - PS0430- MAI LED CACO SERVICE LETTER EXTENSION FOR APRIL 20, 1990 SL - PSP FOR REPEAT TRACK JOINT FAILURES (LEAKS) ON D8N TRACTORS - PS0430- MAI LED CACO
PRIORITY - PARTS STOCK ACTION NEEDED - NEW VALVE LOCKS NEED TO BE INSTALLED ON CERTAIN D4E, D5B, D6D, D6E, D8L TRACTORS; 930R, 96 6R WHEEL LOADERS; 120G, 140G MOTOR GRADERS; 621S SCRAPERS; 3306, 3408 ENGINES - PI3515 - MAILED BRAZIL PRIORITY - PARTS STOCK ACTION NEEDED - NEW VALVE LOCKS NEED TO BE INSTALLED ON CERTAIN D4E, D5B, D6D, D6E, D8L TRACTORS; 930R, 96 6R WHEEL LOADERS; 120G, 140G MOTOR GRADERS; 621S SCRAPERS; 3306, 3408 ENGINES - PI3515 - MAILED BRAZIL
PSP FOR INSTALLING AN AUTOMATIC ETHER INJECTION SYSTEM (AEIS) ON CERTAIN D11N TRACTORS - PS4429 - MAILED US AND CANADA, COFA, CO SA, LIMITED CACO, LIMITED CFEL PSP FOR INSTALLING AN AUTOMATIC ETHER INJECTION SYSTEM (AEIS) ON CERTAIN D11N TRACTORS - PS4429 - MAILED US AND CANADA, COFA, CO SA, LIMITED CACO, LIMITED CFEL
PSP FOR CERTAIN D6H AND D6H LGP TRACTORS EQUALIZER BAR CENTER PIN BEARINGS - PS4584 - MAILED US AND CANADA, CACO, COFS, CFEL, CO SA PSP FOR CERTAIN D6H AND D6H LGP TRACTORS EQUALIZER BAR CENTER PIN BEARINGS - PS4584 - MAILED US AND CANADA, CACO, COFS, CFEL, CO SA
Product Support Program For Repairing The Transmission On Certain 930R Wheel Loaders. Product Support Program For Repairing The Transmission On Certain 930R Wheel Loaders.
PSP FOR INSTALLING NEW FUEL LINES AND FUEL LINE BRACKETS ON CERTAIN 621S, 627E AND 637E SCRAPERS - PS4463 - MAILED US AND CAN ADA, CACO, COFA, CFEL PSP FOR INSTALLING NEW FUEL LINES AND FUEL LINE BRACKETS ON CERTAIN 621S, 627E AND 637E SCRAPERS - PS4463 - MAILED US AND CAN ADA, CACO, COFA, CFEL
SERVICE LETTER EXTENSION FOR FEBRUARY 25, 1990 SL - PS0434 - PSP FOR INSTALLING NEW PISTON RINGS AND CYLINDER LINERS TO RED UCE OIL CONSUMPTION ON CERTAIN CHALLENGER 65 TRACTORS; 235C E240, EL240, E300 AND EL300 EXCAVATORS; AND 963 AND 973 LOADER S - SERVICE LETTER EXTENSION FOR FEBRUARY 25, 1990 SL - PS0434 - PSP FOR INSTALLING NEW PISTON RINGS AND CYLINDER LINERS TO RED UCE OIL CONSUMPTION ON CERTAIN CHALLENGER 65 TRACTORS; 235C E240, EL240, E300 AND EL300 EXCAVATORS; AND 963 AND 973 LOADER S -