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
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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
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 6, 1991 U-91 A-66 AU-52 E-57 O-67 PRODUCT SUPPORT PROGRAM FOR REPLACING THE TRACK IDLER SHAFT AND BEARINGS IN THE TRACK IDLERS OF CERTAIN D3C TRACTORS, D4C TRACTORS, 931C LOADERS, AND 935C LOADERS 4159 PS4554 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 "PS4554" as Part Number, "7755" as Group Number, and "96" as Description Code.
Termination Date
May 31, 1992
Problem
The idler shaft, used in the newly designed 6Y1560 Idler Assembly (forged), may cause the service life of the bearings to be shorter than desired. These idlers are used on certain D3C Tractors, D4C Tractors, 931C Loaders, and 935C Loaders.
Affected Product
Model Identification Number D3C 3RF540-Up 6PF302-Up 8BF228-Up 5KG1277-Up 1PJ846-Up 7JF244-291 D4C 1RJ1058-Up 2CJ430-Up 931C 6RF104-Up 7HF104-Up 8AF26-Up 2BJ274-Up 5LG35-Up 935C 8CF446-Up
Parts Needed
1 - 8E7342 Idler (Use after failure only) 2 - 8E7343 Shaft 4 - 6Y4744 Bearing 2 - 1H9696 Seal (Use after failure only) 2 - 9W7220 Seal Group (Use after failure only) 2 - 6Y2110 Washer Quantities listed are per idler.
Action Required
***** Parts Stock ***** Remove all 6Y1558 Shafts from parts stock. ***** Affected Product ***** Remove the idlers from both of the roller frames. Disassemble and thoroughly clean all internal components. Inspect the internal components for damage. Remove the existing sleeve bearings. Drill cross-holes in the idler shell as shown in the Illustration. Drill the hole from the Duo-Cone seal cavity into the oil cavity. Assemble the idler with new sleeve bearings. Note: Shaft orientation is not critical. Fill the idler with 200 ml of CXP SAE 30W Diesel Engine Oil using the gravity fill method. Install the idlers on the roller frames. ****** IMAGE: SEBE4584.00001.001 CAPTION:
Service Claim Allowances
***** Parts Stock ***** Submit one claim for all 6Y1558 Shafts removed from parts stock. ***** Affected Product ***** Product Caterpillar Dealer Suggested Customer Suggested smu Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs. (D/N) (Cost) (C/L) (Sell) 0-2000 100% 4 0 4 0 0 2001-4000 33 1/3% 2 0 2 50% 4 NOTE: This is an 8-hour job. (4 hours per side)
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
Caterpillar Information System:
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
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
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
SERVICE LETTER SUPPLEMENT FOR JULY 10, 1990 SL - PI3482 - PRIORITY - NEW HYDRAULIC OIL FILTER BAFFLE TUBE NEEDS TO BE INS TALLED ON CERTAIN D9N AND D10N TRACTORS - MAILED US AND CANADA, CACO, COFA, CFEL, COSA SERVICE LETTER SUPPLEMENT FOR JULY 10, 1990 SL - PI3482 - PRIORITY - NEW HYDRAULIC OIL FILTER BAFFLE TUBE NEEDS TO BE INS TALLED ON CERTAIN D9N AND D10N TRACTORS - MAILED US AND CANADA, CACO, COFA, CFEL, COSA
PSP FOR INSTALLING NEW BOLTS AND SPACERS TO HOLD THE BRAKE CALIPER AND WHEEL SPINDLE TO THE FRONT AXLE HOUSING ON CERTAIN 613 C TRACTORS - PS4638 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA - REVISED 06/92 PSP FOR INSTALLING NEW BOLTS AND SPACERS TO HOLD THE BRAKE CALIPER AND WHEEL SPINDLE TO THE FRONT AXLE HOUSING ON CERTAIN 613 C TRACTORS - PS4638 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA - REVISED 06/92