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 Caterpillar


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

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Caterpillar: Confidential Yellow

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 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.




U-20
A-13
AU-11
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O-19
The Termination Date has been extended for the following Service Letter.
Change the Termination Date to December 31, 1991.
December 21, 1989 - PS4390; Product Support Program For Increasing The Weld
On The Transmission Tube Assemblies (Slide Tracks), And Installing Bevel
Gear, Bevel Gear Shaft Bearing, And Retaining Bolts On Certain D10N Tractors

Caterpillar Information System:

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
PSP FOR REPLACING THE CAMSHAFT ON CERTAIN 3306 TRUCK ENGINES - EFFECTIVE OCTOBER 09, 1990 - PS6039 - REPLACES PORTION OF AUG UST 30, 1990 SL - PS0455 - INVOLVING 3306 TRUCK ENGINES - MAILED US AND CANADA, COFA, CFEL, TRUCK TEPS, LIMITED COSA - REVISE PSP FOR REPLACING THE CAMSHAFT ON CERTAIN 3306 TRUCK ENGINES - EFFECTIVE OCTOBER 09, 1990 - PS6039 - REPLACES PORTION OF AUG UST 30, 1990 SL - PS0455 - INVOLVING 3306 TRUCK ENGINES - MAILED US AND CANADA, COFA, CFEL, TRUCK TEPS, LIMITED COSA - REVISE
Product Support Program For Replacing Broken Tilt Levers On Certain 980C Loaders Product Support Program For Replacing Broken Tilt Levers On Certain 980C Loaders
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
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 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
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.
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