SERVICE LETTER SUPPLEMENT FOR DECEMBER 1, 1989 SL - PSP FOR INSTALLING A NEW CAMSHAFT & LIFTERS IN CERTAIN D11N TRACTORS; 776 B TRACTORS; & 777B, 785 & 789 TRUCKS - PS0423 - MAILED US & CANADA, CACO, COFA, BRAZIL, COSA, LIMITED CFEL
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SERVICE LETTER SUPPLEMENT FOR DECEMBER 1, 1989 SL - PSP FOR INSTALLING A NEW CAMSHAFT & LIFTERS IN CERTAIN D11N TRACTORS; 776 B TRACTORS; & 777B, 785 & 789 TRUCKS - PS0423 - MAILED US & CANADA, CACO, COFA, BRAZIL, COSA, LIMITED CFEL
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-17 A-12 AU-12 B-6 E-11.1 O-16 Some information needs to be changed in the Service Letter which follows: December 1, 1989 - PS0423; Product Support Program For Installing A New Camshaft And Lifters In Certain D11N Tractors; 776B Tractors; And 777B, 785, And 789 Trucks Under the heading Parts Need for D11N Tractors, change the 2-8M4968 Seals to 2-8M4986 Seals. Under the heading Parts Need for 785 Trucks, add a note that the parts listed are for 785 Trucks 8GB230-Up equipped with engines 96Z334-Up. Also, under the heading Parts Need for 785 Trucks, add the following for 785 Trucks 8GB1-229 equipped with engines 96Z1-333. 1 - 8N7655 Camshaft - Front (LH) 1 - 8N7658 Camshaft - Rear (RH) 1 - 8N7657 Camshaft - Front (RH) 1 - 8N7656 Camshaft - Rear (LH) 36 - 9Y9587 Lifter Assembly 2 - 8N9885 Gasket - Front 2 - 7N4320 Gasket - Rear 4 - 3P0647 Seal - Governor Drive
Caterpillar Information System:
PSP FOR PISTON FAILURES ON D11N TRACTORS; 776B TRACTORS; AND 777B, 785, AND 789 TRUCKS - PS0424 - MAILED US AND CANADA, CAC O, COFA, BRAZIL, CFEL, COSA PSP FOR PISTON FAILURES ON D11N TRACTORS; 776B TRACTORS; AND 777B, 785, AND 789 TRUCKS - PS0424 - MAILED US AND CANADA, CAC O, COFA, BRAZIL, CFEL, COSA
PSP FOR REPEAT TRACK JOINT FAILURES (LEAKS) ON D8N TRACTORS - PS0430 - MAILED COFA, CFEL, COSA PSP FOR REPEAT TRACK JOINT FAILURES (LEAKS) ON D8N TRACTORS - PS0430 - MAILED COFA, CFEL, COSA
PSP FOR INSTALLING NEW BUCKET TIP ADAPTER ON CERTAIN 235B/C EXCAVATORS AND 988B LOADERS - PS0406 - MAILED US AND CANADA, CFE L, COSA, LIMITED CACO PSP FOR INSTALLING NEW BUCKET TIP ADAPTER ON CERTAIN 235B/C EXCAVATORS AND 988B LOADERS - PS0406 - MAILED US AND CANADA, CFE L, COSA, LIMITED CACO
Supplemental Steering Flow Switch Needs To Be Replaced On Certain 992C Loaders Supplemental Steering Flow Switch Needs To Be Replaced On Certain 992C Loaders
PARTS STOCK ACTION ONLY:9J0942 PIN ASSEMBLIES IN PARTS STOCK NEED TO BE CHECKED FOR CORRECT LENGTH - PI7227 - MAILED US AND CAN ADA, CACO, COFA, BRAZIL, CFEL, COSA PARTS STOCK ACTION ONLY:9J0942 PIN ASSEMBLIES IN PARTS STOCK NEED TO BE CHECKED FOR CORRECT LENGTH - PI7227 - MAILED US AND CAN ADA, CACO, COFA, BRAZIL, CFEL, COSA
PRIORITY - THE RIGHT HAND AXLE SHAFT NEEDS TO BE REPLACED ON CERTAIN 651E AND 657E WHEEL TRACTORS - PI3445 - MAILED US AND CAN ADA PRIORITY - THE RIGHT HAND AXLE SHAFT NEEDS TO BE REPLACED ON CERTAIN 651E AND 657E WHEEL TRACTORS - PI3445 - MAILED US AND CAN ADA
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, COFA, CFEL, COSA 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, COFA, CFEL, COSA
PSP FOR INCREASING THE WELD ON THE TRANSMISSION TUBE ASSEMBLIES (SLIDE TRACKS), AND INSTALLING BEVEL GEAR, BEVEL GEA R SHAFT BEARING, AND RETAINING BOLTS ON CERTAIN D10N TRACTORS - PS4390 - MAILED US AND CANADA, CACO, CFEL, COSA PSP FOR INCREASING THE WELD ON THE TRANSMISSION TUBE ASSEMBLIES (SLIDE TRACKS), AND INSTALLING BEVEL GEAR, BEVEL GEA R SHAFT BEARING, AND RETAINING BOLTS ON CERTAIN D10N TRACTORS - PS4390 - MAILED US AND CANADA, CACO, CFEL, COSA
PRIORITY - NEW FIRE SUPPRESSION CONTROL NEEDS TO BE INSTALLED ON CERTAIN D8N, D9N, D10N, AND D11N TRACTORS; AND 992C LOADERS - P I3435 - MAILED US AND CANADA, CACO, CFEL, COSA, LIMITED COFA PRIORITY - NEW FIRE SUPPRESSION CONTROL NEEDS TO BE INSTALLED ON CERTAIN D8N, D9N, D10N, AND D11N TRACTORS; AND 992C LOADERS - P I3435 - MAILED US AND CANADA, CACO, CFEL, COSA, LIMITED COFA
PSP FOR INSTALLING A NEW CAMSHAFT AND LIFTERS IN CERTAIN D11N TRACTORS; 776B TRACTORS; AND 777B, 785 AND 789 TRUCKS - PS0423 - M AILED US AND CANADA, CACO, COFA, BRAZIL, COSA, LIMITED CFEL - NOTE:THIS PROGRAM CANCELED AND REPLACED BY JULY 31, 1990 SL PSP FOR INSTALLING A NEW CAMSHAFT AND LIFTERS IN CERTAIN D11N TRACTORS; 776B TRACTORS; AND 777B, 785 AND 789 TRUCKS - PS0423 - M AILED US AND CANADA, CACO, COFA, BRAZIL, COSA, LIMITED CFEL - NOTE:THIS PROGRAM CANCELED AND REPLACED BY JULY 31, 1990 SL
PRIORITY - THE LEFT HAND AXLE SHAFT NEEDS TO BE REPLACED ON CERTAIN 651E AND 657E WHEEL TRACTORS - PI3436 - MAILED US, CAN ADA PRIORITY - THE LEFT HAND AXLE SHAFT NEEDS TO BE REPLACED ON CERTAIN 651E AND 657E WHEEL TRACTORS - PI3436 - MAILED US, CAN ADA
PSP FOR TRACK JOINT FAILURES (LEAKS) ON D4H LGP, D5H LGP, AND D6H LGP TRACTORS - PS0394 - MAILED CACO PSP FOR TRACK JOINT FAILURES (LEAKS) ON D4H LGP, D5H LGP, AND D6H LGP TRACTORS - PS0394 - MAILED CACO
PSP FOR CRANKSHAFTS IN CERTAIN D10 TRACTORS, D348 ENGINES, 776 TRACTORS, 777 TRUCKS, AND 992 LOADERS - PS0428 - MAILED US AND CAN ADA, CACO, COFA, CFEL, COSA PSP FOR CRANKSHAFTS IN CERTAIN D10 TRACTORS, D348 ENGINES, 776 TRACTORS, 777 TRUCKS, AND 992 LOADERS - PS0428 - MAILED US AND CAN ADA, CACO, COFA, CFEL, COSA
PARTS STOCK ACTION ONLY - NEW CYLINDER HEAD GASKETS USED ON 3408 AND 3412 ENGINES - PI7228 - MAILED US AND CANADA, CACO, COF A, BRAZIL, CFEL, COSA, MARINE TEPS PARTS STOCK ACTION ONLY - NEW CYLINDER HEAD GASKETS USED ON 3408 AND 3412 ENGINES - PI7228 - MAILED US AND CANADA, CACO, COF A, BRAZIL, CFEL, COSA, MARINE TEPS
PSP FOR INCREASING THE NUMBER OF DISCS AND PLATES IN THE STEERING CLUTCH AND BRAKE MODULES ON CERTAIN D9N AND D10N TRA CTO RS - PS0416 - MAILED CACO, COFA, CFEL, COSA - REVISED 10/90 PSP FOR INCREASING THE NUMBER OF DISCS AND PLATES IN THE STEERING CLUTCH AND BRAKE MODULES ON CERTAIN D9N AND D10N TRA CTO RS - PS0416 - MAILED CACO, COFA, CFEL, COSA - REVISED 10/90
PSP FOR INSTALLING NEW ROLLERS IN THE ONE-WAY CLUTCH OF CERTAIN 56H WINCHES - PS4418 - MAILED US, CANADA, CACO, COFA, CFE L, COSA PSP FOR INSTALLING NEW ROLLERS IN THE ONE-WAY CLUTCH OF CERTAIN 56H WINCHES - PS4418 - MAILED US, CANADA, CACO, COFA, CFE L, COSA
PSP FOR INSTALLING NEW PISTON RINGS AND CYLINDER LINERS TO REDUCE OIL CONSUMPTION ON CERTAIN CHALLENGER 65 TRACTORS; 235C E24 0, EL240, E300 AND EL300 EXCAVATORS; AND 963 AND 973 LOADERS - MAILED US, CANADA, CACO, COFA, CFEL - PS0434 PSP FOR INSTALLING NEW PISTON RINGS AND CYLINDER LINERS TO REDUCE OIL CONSUMPTION ON CERTAIN CHALLENGER 65 TRACTORS; 235C E24 0, EL240, E300 AND EL300 EXCAVATORS; AND 963 AND 973 LOADERS - MAILED US, CANADA, CACO, COFA, CFEL - PS0434
PSP FOR INSTALLING NEW PISTON RINGS AND CYLINDER LINERS TO REDUCE OIL CONSUMPTION ON CERTAIN CHALLENGER 65 TRACTORS; 235C EXC AVATORS; AND 963 AND 97S LOADERS - PS0434 - MAILED COSA PSP FOR INSTALLING NEW PISTON RINGS AND CYLINDER LINERS TO REDUCE OIL CONSUMPTION ON CERTAIN CHALLENGER 65 TRACTORS; 235C EXC AVATORS; AND 963 AND 97S LOADERS - PS0434 - MAILED COSA
SERVICE LETTER SUPPLEMENT FOR AUGUST 2, 1989 SL - PS4339 - PSP FOR REDUCING BEVEL GEAR AND PINION NOISE AND REDUCING THE RUST BEA RING WEAR ON CERTAIN 56 WINCHES USED ON D6H TRACTORS - MAILED US AND CANADA, CACO, COFA, CFEL, COSA SERVICE LETTER SUPPLEMENT FOR AUGUST 2, 1989 SL - PS4339 - PSP FOR REDUCING BEVEL GEAR AND PINION NOISE AND REDUCING THE RUST BEA RING WEAR ON CERTAIN 56 WINCHES USED ON D6H TRACTORS - MAILED US AND CANADA, CACO, COFA, CFEL, COSA
PSP FOR INSTALLING A NEW DIFFERENTIAL SEAL ON CERTAIN 631E AND 637E WHEEL TRACTORS - PS4413 - MAILED US, CANADA, CACO, COFA, BRA ZIL, CFEL, COSA PSP FOR INSTALLING A NEW DIFFERENTIAL SEAL ON CERTAIN 631E AND 637E WHEEL TRACTORS - PS4413 - MAILED US, CANADA, CACO, COFA, BRA ZIL, CFEL, COSA
Product Support Program For Replacing The Cylinder Block On Certain D8L Tractors And 631E Wheel Tractors Product Support Program For Replacing The Cylinder Block On Certain D8L Tractors And 631E Wheel Tractors
PSP FOR INSTALLING NEW BRAKE PLATES AND DISCS IN CERTAIN D4H, D5H, D6H, AND D7H TRACTORS - PS0432 - MAILED COFA PSP FOR INSTALLING NEW BRAKE PLATES AND DISCS IN CERTAIN D4H, D5H, D6H, AND D7H TRACTORS - PS0432 - MAILED COFA
PRIORITY - PARTS STOCK ACTION NEEDED - HOUSINGS NEED TO BE INSPECTED FOR CHIPS AND BEARINGS NEED TO BE REPLACED IN THE RET ARDER AND TRANSFER GEAR GROUP ON CERTAIN 657E SCRAPERS - PI3459 - MAILED US, CANADA, CACO, COFA, COSA - REVISED 4/90 PRIORITY - PARTS STOCK ACTION NEEDED - HOUSINGS NEED TO BE INSPECTED FOR CHIPS AND BEARINGS NEED TO BE REPLACED IN THE RET ARDER AND TRANSFER GEAR GROUP ON CERTAIN 657E SCRAPERS - PI3459 - MAILED US, CANADA, CACO, COFA, COSA - REVISED 4/90
Brackets And Clamps Need To Be Installed On The Fuel Lines Group Of Certain D10N Tractors; 651E And 656E Tractors; 773B Trucks; And 992C Loaders Brackets And Clamps Need To Be Installed On The Fuel Lines Group Of Certain D10N Tractors; 651E And 656E Tractors; 773B Trucks; And 992C Loaders