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 Caterpillar

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

Usage:

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Caterpillar: Confidential Yellow

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

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-233
A-150
AU-150.1
E-100
O-143
PRIORITY
parts stock
7401  PI3435
COMPLETION DATE

Termination Date

June 30, 1990  December 31, 1990

Problem

The fire suppression control needs to be replaced on certain D8N, D9N, D10N,
and D11N Tractors; and 992C Loaders if the control group has a supplier date

Caterpillar Information System:

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 TRACK JOINT FAILURES (LEAKS) ON D4H, D5H, AND D6H TRACTORS - PS0395 - MAILED CACO PSP FOR TRACK JOINT FAILURES (LEAKS) ON D4H, D5H, AND D6H TRACTORS - PS0395 - MAILED CACO

PSP FOR REPLACING THE REAR GEAR TRAIN ON CERTAIN D11N TRACTORS AND 3508 ENGINES (SPARE) - PS0410 - MAILED US AND CANADA, COFA COS A, LIMITED CACO - SEE SUPPLEMENT SEBE4196 DATED JANUARY 6, 1990 PSP FOR REPLACING THE REAR GEAR TRAIN ON CERTAIN D11N TRACTORS AND 3508 ENGINES (SPARE) - PS0410 - MAILED US AND CANADA, COFA COS A, LIMITED CACO - SEE SUPPLEMENT SEBE4196 DATED JANUARY 6, 1990

PSP FOR ERRATIC OR INTERMITTENT SHIFTING OF THE ICM CONTROLLED TRANSMISSIONS ON CERTAIN 621E, 623E, 627E, 631E, 637E, 651E, AND 657E SCRAPERS; 768C, 772B, AND 776B TRACTORS; AND 769C, 773B, 777B, 785, AND 789 TRUCKS - PS4402 - MAILED US AND CANADA , PSP FOR ERRATIC OR INTERMITTENT SHIFTING OF THE ICM CONTROLLED TRANSMISSIONS ON CERTAIN 621E, 623E, 627E, 631E, 637E, 651E, AND 657E SCRAPERS; 768C, 772B, AND 776B TRACTORS; AND 769C, 773B, 777B, 785, AND 789 TRUCKS - PS4402 - MAILED US AND CANADA ,

Product Support Program For Repeat Track Joint Failures (Leaks) On D11N Tractors Product Support Program For Repeat Track Joint Failures (Leaks) On D11N Tractors

PSP FOR INSTALLING A NEW DRIVE SHAFT SLIP JOINT GROUP, SPIDER, AND SHAFT ASSEMBLIES IN CERTAIN 518 SKIDDERS AND 518 GRAPPLE SKI DDERS - PS4372 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA PSP FOR INSTALLING A NEW DRIVE SHAFT SLIP JOINT GROUP, SPIDER, AND SHAFT ASSEMBLIES IN CERTAIN 518 SKIDDERS AND 518 GRAPPLE SKI DDERS - PS4372 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA

PARTS STOCK ACTION ONLY - BOLTS AND WASHERS THAT WERE USED TO HOLD THE COUNTERWEIGHT ON THE CRANKSHAFT IN SOME OF THE 3500 SER IES FAMILY OF ENGINES NEED TO BE REMOVED FROM PARTS STOCK - PI7215 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA, PARTS STOCK ACTION ONLY - BOLTS AND WASHERS THAT WERE USED TO HOLD THE COUNTERWEIGHT ON THE CRANKSHAFT IN SOME OF THE 3500 SER IES FAMILY OF ENGINES NEED TO BE REMOVED FROM PARTS STOCK - PI7215 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA,

PARTS STOCK ACTION ONLY - CERTAIN ELECTRIC STARTING MOTORS USED ON THE 3100 SERIES FAMILY OF ENGINES NEED TO BE REMOVED FRO M PARTS STOCK - PI7218 - MAILED US AND CANADA PARTS STOCK ACTION ONLY - CERTAIN ELECTRIC STARTING MOTORS USED ON THE 3100 SERIES FAMILY OF ENGINES NEED TO BE REMOVED FRO M PARTS STOCK - PI7218 - MAILED US AND CANADA

PSP FOR REINFORCING THE EJECTOR ON CERTAIN 621E, 621S, AND 627E SCRAPERS - PS4389 - MAILED US AND CANADA, COFA, BRAZIL, CFE L, COSA, LIMITED CACO PSP FOR REINFORCING THE EJECTOR ON CERTAIN 621E, 621S, AND 627E SCRAPERS - PS4389 - MAILED US AND CANADA, COFA, BRAZIL, CFE L, COSA, LIMITED CACO

PSP FOR REINFORCING THE FUEL TANK ON CERTAIN 623E SCRAPERS - PS4387 - MAILED US AND CANADA, COFA, COSA, LIMITED CACO PSP FOR REINFORCING THE FUEL TANK ON CERTAIN 623E SCRAPERS - PS4387 - MAILED US AND CANADA, COFA, COSA, LIMITED CACO

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

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

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

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

Supplemental Steering Flow Switch Needs To Be Replaced On Certain 992C Loaders Supplemental Steering Flow Switch Needs To Be Replaced On Certain 992C Loaders

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

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 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

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 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

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