SERVICE LETTER SUPPLEMENT FOR FEBRUARY 24, 1991 SL - PRIORITY - PARTS STOCK ACTION NEEDED - NEW VALVE LOCKS NEED TO BE INS TALLED ON CERTAIN D4E, D5B, D6D, D6E, D8L TRACTORS; 930R, 966R WHEEL LOADERS; 120G, 140G MOTOR GRADERS; 621S SCRAPERS; 3306, 34
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SERVICE LETTER SUPPLEMENT FOR FEBRUARY 24, 1991 SL - PRIORITY - PARTS STOCK ACTION NEEDED - NEW VALVE LOCKS NEED TO BE INS TALLED ON CERTAIN D4E, D5B, D6D, D6E, D8L TRACTORS; 930R, 966R WHEEL LOADERS; 120G, 140G MOTOR GRADERS; 621S SCRAPERS; 3306, 3408 ENGINES - PI3515 - MAILED BRAZIL
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.
August 13, 1991 B-28 SERVICE LETTER SUPPLEMENT Some information needs to be changed in the Service Letter which follows: February 24, 1991 (Revised May 1991) - PI3515; New Valve Locks Need To Be Installed On Certain D4E, D5B, D6D, D6E, And D8L Tractors; 930R And 966R Wheel Loaders; 120G And 140G Motor Graders; 621S Scrapers; And 3304, 3306 And 3408 Engines Under the heading Affected Product, for 140G Motor Graders, change the identification numbers to those that follow: 140G 5MD734-818, 820-948, 950-1009, 1011-1016
Caterpillar Information System:
Product Support Program For Installing Brake Caliper Guards On Certain Challenger 65 Tractors Product Support Program For Installing Brake Caliper Guards On Certain Challenger 65 Tractors
Product Support Program For Excessive Air Side Plugging Of Folded Core Radiators On Certain 826C Compactors Product Support Program For Excessive Air Side Plugging Of Folded Core Radiators On Certain 826C Compactors
Product Support Praogram For Installing A Check Valve In The Winch Control On Certain D4H And D5H Track Skidders With Grapple Arrangement Product Support Praogram For Installing A Check Valve In The Winch Control On Certain D4H And D5H Track Skidders With Grapple Arrangement
PARTS STOCK ACTION ONLY - HYDRAULIC FLOW SWITCHES NEED TO BE REMOVED FROM PARTS STOCK - PI7264 - MAILED US AND CANADA, CACO, CO FA, BRAZIL, CFEL, COSA PARTS STOCK ACTION ONLY - HYDRAULIC FLOW SWITCHES NEED TO BE REMOVED FROM PARTS STOCK - PI7264 - MAILED US AND CANADA, CACO, CO FA, BRAZIL, CFEL, COSA
Piston Cooling Jet Retainer Bolts Need To Be Inspected For The Correct Torque On Certain 3508, 3512, And 3516 Engines; And 785 trucks Piston Cooling Jet Retainer Bolts Need To Be Inspected For The Correct Torque On Certain 3508, 3512, And 3516 Engines; And 785 trucks
Product Support Program For Replacing The Pulse Deflector In Certain Challenger 65 Tractors, 235C Excavators, 621S Scrapers, And 637E Scrapers Product Support Program For Replacing The Pulse Deflector In Certain Challenger 65 Tractors, 235C Excavators, 621S Scrapers, And 637E Scrapers
Product Support Program For Replacement Of The Transfer Gear Case On Certain D350D And D400D Articulated Dump Trucks Product Support Program For Replacement Of The Transfer Gear Case On Certain D350D And D400D Articulated Dump Trucks
The ROPS Needs To Be Inspected For Cracks On Certain CP323 And CS323 Compactors The ROPS Needs To Be Inspected For Cracks On Certain CP323 And CS323 Compactors
Product Support Program For Repairing Frame Cracks In The Transitional Castings On Certain 789 Trucks Product Support Program For Repairing Frame Cracks In The Transitional Castings On Certain 789 Trucks
SERVICE LETTER EXTENSION FOR JUNE 11, 1990 SL - PSP FOR INSTALLING A NEW PISTON RETAINING BOLT IN THE 9T2879 ART ICULATION CYLINDERS ON CERTAIN 14G MOTOR GRADERS - PS4487 - MAILED US AND CANADA, CACO, CFEL, COSA SERVICE LETTER EXTENSION FOR JUNE 11, 1990 SL - PSP FOR INSTALLING A NEW PISTON RETAINING BOLT IN THE 9T2879 ART ICULATION CYLINDERS ON CERTAIN 14G MOTOR GRADERS - PS4487 - MAILED US AND CANADA, CACO, CFEL, COSA
PSP FOR PREVENTING REAR WHEEL BEARING CONES FROM ROTATING ON THE AXLE HOUSING OF CERTAIN 785 AND 789 TRUCKS - PS4637 - MAI LED US AND CANADA, COFA, BRAZIL, CFEL, COSA, LIMITED CACO PSP FOR PREVENTING REAR WHEEL BEARING CONES FROM ROTATING ON THE AXLE HOUSING OF CERTAIN 785 AND 789 TRUCKS - PS4637 - MAI LED US AND CANADA, COFA, BRAZIL, CFEL, COSA, LIMITED CACO
SERVICE LETTER EXTENSION FOR JUNE 9, 1989 SL - PSP FOR INSTALLING ETHER AID TIMER ON CERTAIN 789 TRUCKS - PS4331 - MAI LED US AND CANADA, COFA, COSA, LIMITED CACO SERVICE LETTER EXTENSION FOR JUNE 9, 1989 SL - PSP FOR INSTALLING ETHER AID TIMER ON CERTAIN 789 TRUCKS - PS4331 - MAI LED US AND CANADA, COFA, COSA, LIMITED CACO
Product Support Program For Installing New Final Drive Thrust Washers On Certain 12G, 14G, 16G, 120G, 130G, 140G, And 160G Motor Graders Product Support Program For Installing New Final Drive Thrust Washers On Certain 12G, 14G, 16G, 120G, 130G, 140G, And 160G Motor Graders
SERVICE LETTER SUPPLEMENT FOR DECEMBER 19, 1990 SL - PSP FOR INSTALLING NEW FINAL DRIVE PLANET SHAFTS AND BEARINGS IN CER TAIN 776B TRACTORS AND 777B TRUCKS - PS0495 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL SERVICE LETTER SUPPLEMENT FOR DECEMBER 19, 1990 SL - PSP FOR INSTALLING NEW FINAL DRIVE PLANET SHAFTS AND BEARINGS IN CER TAIN 776B TRACTORS AND 777B TRUCKS - PS0495 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL
PARTS STOCK ACTION ONLY - EXCESSIVE QUANTITIES OF 3W6882 CAP ASSEMBLIES CAN BE REMOVED FROM PARTS STOCK - PI7268 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA PARTS STOCK ACTION ONLY - EXCESSIVE QUANTITIES OF 3W6882 CAP ASSEMBLIES CAN BE REMOVED FROM PARTS STOCK - PI7268 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA
SERVICE LETTER SUPPLEMENT FOR JUNE 2, 1991 SL - PSP FOR REINFORCING THE HORIZONTAL BEAM BODY ON CERTAIN 769C, 773B, AND 777B TRUCKS - PS4579 - MAILED US AND CANADA, CACO, CFEL, COSA, LIMITED BRAZIL SERVICE LETTER SUPPLEMENT FOR JUNE 2, 1991 SL - PSP FOR REINFORCING THE HORIZONTAL BEAM BODY ON CERTAIN 769C, 773B, AND 777B TRUCKS - PS4579 - MAILED US AND CANADA, CACO, CFEL, COSA, LIMITED BRAZIL
Product Support Program For Replacing The Engine Compartment Door Latch On Certain CP563 And CS563 Compactors Product Support Program For Replacing The Engine Compartment Door Latch On Certain CP563 And CS563 Compactors
Product Support Program For Relocating And Replacing The Engine Oil Pressure Sensor On Certain CP563 And CS563 Compactors Product Support Program For Relocating And Replacing The Engine Oil Pressure Sensor On Certain CP563 And CS563 Compactors
Product Support Program For Installing Orifices And Relief Cartridges In The Vibratory Pump Of Certain CP563 And CS563 Compactors Product Support Program For Installing Orifices And Relief Cartridges In The Vibratory Pump Of Certain CP563 And CS563 Compactors
SERVICE LETTER SUPPLEMENT FOR DECEMBER 26, 1990 SL - PSP FOR MODIFYING SINGLE PIECE PIVOT SHAFTS TO ACCEPT REPLACEABLE SPI NDLES AND ADDING SEALS FOR MAJOR BOGIE BEARINGS ON CERTAIN CHALLENGER 65 TRACTORS - PS4544 - MAILED US AND CANADA, CACO, COFA, SERVICE LETTER SUPPLEMENT FOR DECEMBER 26, 1990 SL - PSP FOR MODIFYING SINGLE PIECE PIVOT SHAFTS TO ACCEPT REPLACEABLE SPI NDLES AND ADDING SEALS FOR MAJOR BOGIE BEARINGS ON CERTAIN CHALLENGER 65 TRACTORS - PS4544 - MAILED US AND CANADA, CACO, COFA,
New Input Bearing Needs To Be Installed On The Pump Drive Gearbox Of Certain PR-450 Cold Planers And CMI Built PR-450 Cold Planers New Input Bearing Needs To Be Installed On The Pump Drive Gearbox Of Certain PR-450 Cold Planers And CMI Built PR-450 Cold Planers
Service Letter Supplement Service Letter Supplement
Product Support Program For Replacing Failed Intermediate Hoist Cylinders On Certain 789 Trucks Product Support Program For Replacing Failed Intermediate Hoist Cylinders On Certain 789 Trucks
Product Support Program For Adding A Missing Weld To The Frame Of Certain D4H TSK Series II And D5H TSK Series II Track Skidders Product Support Program For Adding A Missing Weld To The Frame Of Certain D4H TSK Series II And D5H TSK Series II Track Skidders