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
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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
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.
April 30, 1991 U-86 A-61 AU-50 E-54 O-63 SERVICE LETTER EXTENSION The Termination Date has been extended for the following Service Letter. Change the Termination Date to April 30, 1992. April 9, 1990 - PS4394 Product Support Program For Turbocharger Turbine Wheel On D11N Tractors; 776B Tractors; 777B Trucks; And 3508 Engines (Spare)
Caterpillar Information System:
PRIORITY - PARTS STOCK ACTION NEEDED - THE ELECTRONIC CONTROL GROUP FOR THE CMS PANEL NEEDS TO BE REPLACED - THE DIAGNOSTIC CON NECTOR WIRING ON THE STARTER NEEDS TO BE CHANGED ON CERTAIN 966F WHEEL LOADERS - PI3522 - MAILED US AND CANADA, CACO, CFEL PRIORITY - PARTS STOCK ACTION NEEDED - THE ELECTRONIC CONTROL GROUP FOR THE CMS PANEL NEEDS TO BE REPLACED - THE DIAGNOSTIC CON NECTOR WIRING ON THE STARTER NEEDS TO BE CHANGED ON CERTAIN 966F WHEEL LOADERS - PI3522 - MAILED US AND CANADA, CACO, CFEL
PSP FOR INSTALLING NEW VALVE LOCKS ON CERTAIN D8L TRACTORS AND 631E SCRAPERS - PS4614 - MAILED US AND CANADA, COSA, LIMITED CFE L PSP FOR INSTALLING NEW VALVE LOCKS ON CERTAIN D8L TRACTORS AND 631E SCRAPERS - PS4614 - MAILED US AND CANADA, COSA, LIMITED CFE L
PARTS STOCK ACTION ONLY - 2W6395 IDLER GEAR FOR USE IN 992C REAR GEAR TRAIN NEEDS TO BE REMOVED FROM PARTS STOCK - PI7263 - MA ILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA PARTS STOCK ACTION ONLY - 2W6395 IDLER GEAR FOR USE IN 992C REAR GEAR TRAIN NEEDS TO BE REMOVED FROM PARTS STOCK - PI7263 - MA ILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA
PRIORITY - NEW SUN GEAR NEEDS TO BE INSTALLED IN THE TRANSMISSIONS OF CERTAIN 518 AND 528 SKIDDERS - PI3542 - MAI LED US AND CANADA, COSA, LIMITED COFA PRIORITY - NEW SUN GEAR NEEDS TO BE INSTALLED IN THE TRANSMISSIONS OF CERTAIN 518 AND 528 SKIDDERS - PI3542 - MAI LED US AND CANADA, COSA, LIMITED COFA
SERVICE LETTER SUPPLEMENT FOR FEBRUARY 27, 1991 SL - PS4429 - PSP FOR INSTALLING AN AUTOMATIC ETHER INJECTION SYSTEM (AEIS) ON CERTAIN D11N TRACTORS - MAILED US AND CANADA, COFA, COSA, LIMITED CACO, LIMITED CFEL SERVICE LETTER SUPPLEMENT FOR FEBRUARY 27, 1991 SL - PS4429 - PSP FOR INSTALLING AN AUTOMATIC ETHER INJECTION SYSTEM (AEIS) ON CERTAIN D11N TRACTORS - MAILED US AND CANADA, COFA, COSA, LIMITED CACO, LIMITED CFEL
SERVICE LETTER SUPPLEMENT FOR DECEMBER 24, 1990 SL - PI3500 - PRIORITY - THE BOLTS THAT HOLD THE DIFFERENTIAL PINION IN PLA CE MAY WORK LOOSE ON CERTAIN 623E WHEEL TRACTORS - MAILED US AND CANADA, COSA, LIMITED COFA SERVICE LETTER SUPPLEMENT FOR DECEMBER 24, 1990 SL - PI3500 - PRIORITY - THE BOLTS THAT HOLD THE DIFFERENTIAL PINION IN PLA CE MAY WORK LOOSE ON CERTAIN 623E WHEEL TRACTORS - MAILED US AND CANADA, COSA, LIMITED COFA
PSP FOR REPLACEMENT OF THE EMS OIL PRESSURE SWITCH AND THE HOUR METER OIL PRESSURE SWITCH ON CERTAIN D8N, D9N, D10N, AND D11 N TRACTORS - PS4586 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA PSP FOR REPLACEMENT OF THE EMS OIL PRESSURE SWITCH AND THE HOUR METER OIL PRESSURE SWITCH ON CERTAIN D8N, D9N, D10N, AND D11 N TRACTORS - PS4586 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA
PSP FOR FAILED ONE-WAY CLUTCH COMPONENTS ON 988B LOADERS EQUIPPED WITH 2Z0989, 2Z8670, 2Z8786, 2Z8858, 2Z8859 OR 2Z8860 LOC K-UP CONVERTER ARRANGEMENTS - PS0517 - MAILED US AND CANADA, COSA, LIMITED COFA - REVISED 01/92 PSP FOR FAILED ONE-WAY CLUTCH COMPONENTS ON 988B LOADERS EQUIPPED WITH 2Z0989, 2Z8670, 2Z8786, 2Z8858, 2Z8859 OR 2Z8860 LOC K-UP CONVERTER ARRANGEMENTS - PS0517 - MAILED US AND CANADA, COSA, LIMITED COFA - REVISED 01/92
PRIORITY - THE CASE AND FRAME ASSEMBLY NEEDS TO BE INSPECTED FOR TOOL MARKS FROM MACHINING OPERATIONS ON CERTAIN D5B TRA CTORS - PI3520 - MAILED US AND CANADA, BRAZIL - PLEASE NOTE THAT A LIMITED MAILING WAS MADE TO COSA FOR A SUPPLEMENT TO THIS S L PRIORITY - THE CASE AND FRAME ASSEMBLY NEEDS TO BE INSPECTED FOR TOOL MARKS FROM MACHINING OPERATIONS ON CERTAIN D5B TRA CTORS - PI3520 - MAILED US AND CANADA, BRAZIL - PLEASE NOTE THAT A LIMITED MAILING WAS MADE TO COSA FOR A SUPPLEMENT TO THIS S L
PRIORITY - GROUND WIRES ON CERTAIN D6H, D7H, AND D8N TRACTORS EQUIPPED WITH ROOF MOUNTED AIR CONDITIONER CONDENSERS NEED TO BE CHECKED FOR CORRECT GROUND WIRE INSTALLATION - PI3521 - MAILED US AND CANADA, LIMITED CACO PRIORITY - GROUND WIRES ON CERTAIN D6H, D7H, AND D8N TRACTORS EQUIPPED WITH ROOF MOUNTED AIR CONDITIONER CONDENSERS NEED TO BE CHECKED FOR CORRECT GROUND WIRE INSTALLATION - PI3521 - MAILED US AND CANADA, LIMITED CACO
PRIORITY - REINFORCING PLATES NEED TO BE INSTALLED ON THE DRAFT TUBES OF CERTAIN 631E AND 637E SCRAPERS - PI3525 - MAI LED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA PRIORITY - REINFORCING PLATES NEED TO BE INSTALLED ON THE DRAFT TUBES OF CERTAIN 631E AND 637E SCRAPERS - PI3525 - MAI LED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA
PSP FOR EXCESSIVE AIR SIDE PLUGGING OF FOLDED CORE RADIATORS IN 508 SKIDDERS - PS0488 - MAILED US AND CANADA, COSA, LIMITED COF A PSP FOR EXCESSIVE AIR SIDE PLUGGING OF FOLDED CORE RADIATORS IN 508 SKIDDERS - PS0488 - MAILED US AND CANADA, COSA, LIMITED COF A
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
PSP FOR REPLACING THE TRACK IDLER SHAFT AND BEARINGS IN THE TRACK IDLERS OF CERTAIN D3C TRACTORS, D4C TRACTORS, 931C LOA DERS, AND 935C LOADERS - PS4554 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA PSP FOR REPLACING THE TRACK IDLER SHAFT AND BEARINGS IN THE TRACK IDLERS OF CERTAIN D3C TRACTORS, D4C TRACTORS, 931C LOA DERS, AND 935C LOADERS - PS4554 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA
PARTS STOCK ACTION ONLY - 9W4135 TRANSFER GEARS IN PARTS STOCK NEED TO BE INSPECTED - PI7265 - MAILED US AND CANADA, CACO, COF A, BRAZIL, CFEL, COSA PARTS STOCK ACTION ONLY - 9W4135 TRANSFER GEARS IN PARTS STOCK NEED TO BE INSPECTED - PI7265 - MAILED US AND CANADA, CACO, COF A, BRAZIL, CFEL, COSA
PSP FOR INSTALLING A NEW WINCH CONTROL VALVE TO IMPROVE INPUT CLUTCH OPERATION ON CERTAIN D5H CUSTOM SKIDDERS EQUIPPED WITH AN 8Z7530 GRAPPLE MODIFICATION - PS0546 - MAILED US AND CANADA PSP FOR INSTALLING A NEW WINCH CONTROL VALVE TO IMPROVE INPUT CLUTCH OPERATION ON CERTAIN D5H CUSTOM SKIDDERS EQUIPPED WITH AN 8Z7530 GRAPPLE MODIFICATION - PS0546 - MAILED US AND CANADA
Product Support Program For Repairing Rear Track Roller Frames With Cracked Tube To Bogie Plate Welds On Certain D10N Tractors Product Support Program For Repairing Rear Track Roller Frames With Cracked Tube To Bogie Plate Welds On Certain D10N Tractors
Service Letter Supplement Service Letter Supplement
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
PSP FOR INSTALLING NEW BOLTS, SPACERS, AND MOUNTING PARTS FOR THE FRONT WHEEL BRAKES ON CERTAIN 518 GRAPPLE SKIDDERS EQU IPPED WITH A STANDARD FRONT AXLE - PS4601 - MAILED US AND CANADA, COFA, CFEL, COSA, LIMITED CACO - REVISED 10/91 PSP FOR INSTALLING NEW BOLTS, SPACERS, AND MOUNTING PARTS FOR THE FRONT WHEEL BRAKES ON CERTAIN 518 GRAPPLE SKIDDERS EQU IPPED WITH A STANDARD FRONT AXLE - PS4601 - MAILED US AND CANADA, COFA, CFEL, COSA, LIMITED CACO - REVISED 10/91
Product Support Program For Installing New Final Drive Gears And Related Parts On Certain 518 And 528 Grapple Skidders Product Support Program For Installing New Final Drive Gears And Related Parts On Certain 518 And 528 Grapple Skidders
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
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 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
SERVICE LETTER SUPPLEMENT FOR MAY 6, 1991 SL - PSP FOR REPLACING THE TRACK IDLER SHAFT AND BEARINGS IN THE TRACK IDL ERS OF CERTAIN D3C, D4C TRACTORS; 931C, 935C LOADERS - PS4554 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA - REVISE D 06/91 SERVICE LETTER SUPPLEMENT FOR MAY 6, 1991 SL - PSP FOR REPLACING THE TRACK IDLER SHAFT AND BEARINGS IN THE TRACK IDL ERS OF CERTAIN D3C, D4C TRACTORS; 931C, 935C LOADERS - PS4554 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA - REVISE D 06/91