Product Support Program For Replacing The Camshaft On Certain D6H And D7H Tractors; 12G, 14G And 140G Motor Graders; D25C, D25D, D30C, D30D, D35C, D250B, D300B, D350C, And D350D Articulated Dump Trucks; Challenger 65 Tractors; 235C Excavators; 528 Sk
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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.
NOTE: This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS0455" as Part Number, "7755" as Group Number, and "96" as Description Code.
NOTE: This Revised Service Letter replaces the August 30, 1990 Service Letter. Changes have been made to reflect the addition and removal of Affected Product. Mail Code TT-11 was removed.
Termination Date
August 31, 1992Problem
The camshaft on certain D6H and D7H Tractors; 12G, 14G, and 140G Motor Graders; D25C, D25D, D30C, D30D, D35C, D250B, D300B, D350C, and D350D Articulated Dump Trucks; Challenger 65 Tractors; 235C Excavators; 528 Skidders; 615C, 627E, and 637E Scrapers; 815B and 816B Compactors; 966E Loaders; 973 Loaders; and 3306 Industrial Engines may pit and/or spall. Pitting or spalling can only cause the camshaft to wear faster than normal.
Affected Product
Model & Identification Number
D6H (4RC1-2581; 3ZF1-1375; 3YG1-555)
D7H (5BF1-890; 79Z1-2346; 80Z1-804)
12G (3WC1-1380; 61M1-13706)
14G (03L1-215; 96U1-7912)
140G (72V1-12892; 13W1-790)
D25C (9YC1 -1011)
D25D ( 1HK1-240)
D30C (7ZC1-257)
D30D (3AJ1-180, 3AJ183-183, 3AJ184-184)
D35C (2GD1-124)
D250B (5WD1-474)
D300B (4SD1-490)
D350C (8XC1-404)
D350D (9RF1-259)
CH65 (7YC1-1658)
235C (5AF1-985; 3WG1-555)
528 (96C1-735; 97C1-378)
615C (5TF1-394)
627E (6EB1-693; 6FB1-661; 6GB1-777)
637E (1FB1-489; 1HB1-550; 1JB1-695)
815B (17Z1-1157)
816B (15Z1-998)
966E (99Y5315-7164)
973 (86B1-1174)
3306 (7JB1-4275; 5KD1-2271)
Parts Needed
- 1 - 4P2942 Camshaft Kit
NOTE: Make sure the camshaft kit being used has been updated to include the new 7E6167 Cylinder Head Gasket. See the June 7, 1990 Service Letter - PI7237.
Action Required
Replace the existing camshaft and related components with the parts in the camshaft kit. When installing the cylinder head, make sure that the bolts are coated with 6V4876 Molykote.
Service Claim Allowances
NOTE: This is a 24-hour job.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
Caterpillar Information System:
PSP FOR MULTIPLE TRACK PIN BREAKAGE ON 215B SA, 219, 225B, 225B LC, AND 225D EXCAVATORS - PS0454 - MAILED CACO PSP FOR MULTIPLE TRACK PIN BREAKAGE ON 215B SA, 219, 225B, 225B LC, AND 225D EXCAVATORS - PS0454 - MAILED CACO
PSP FOR REPLACING THE FAN BELT TIGHTENER ON CERTAIN 225D AND 231D EXCAVATORS - PS4524 - MAILED US AND CANADA, CACO, CFEL - REV ISED 01/91 PSP FOR REPLACING THE FAN BELT TIGHTENER ON CERTAIN 225D AND 231D EXCAVATORS - PS4524 - MAILED US AND CANADA, CACO, CFEL - REV ISED 01/91
PSP FOR INSTALLING A CHECK VALVE IN THE FUEL FILTER LINES GROUP ON CERTAIN E110B, E120B, E200B, EL200B, 213B, 314B, 224B, E2 40B, EL240B EXCAVATORS; 446 BACKHOE LOADERS; AND 3114 AND 3116 GENERATOR SET, INDUSTRIAL, AND MARINE ENGINES - PS0472 - MAILE PSP FOR INSTALLING A CHECK VALVE IN THE FUEL FILTER LINES GROUP ON CERTAIN E110B, E120B, E200B, EL200B, 213B, 314B, 224B, E2 40B, EL240B EXCAVATORS; 446 BACKHOE LOADERS; AND 3114 AND 3116 GENERATOR SET, INDUSTRIAL, AND MARINE ENGINES - PS0472 - MAILE
Product Support Program For Replacing Failed Cylinder Head Gaskets On Certain D8L, D8N, D9N, And D10N Tractors; 16G Motor Graders; D35HP, D40D, D400, And D400D Articulated Dump Trucks; 245, And 245B Excavators; 589 Pipelayers; 621E 623E, 627E, 631E, Product Support Program For Replacing Failed Cylinder Head Gaskets On Certain D8L, D8N, D9N, And D10N Tractors; 16G Motor Graders; D35HP, D40D, D400, And D400D Articulated Dump Trucks; 245, And 245B Excavators; 589 Pipelayers; 621E 623E, 627E, 631E,
Product Support Program For Replacing Failed Cylinder Head Gaskets On Certain D8L, D8N, D9N, And D10N Tractors; 16G Motor Graders; D35HP, D40D, D400, And D400D Articulated Dump Trucks; 245, And 245B Excavators; 589 Pipelayers; 621E, 623E, 627E, 631E, Product Support Program For Replacing Failed Cylinder Head Gaskets On Certain D8L, D8N, D9N, And D10N Tractors; 16G Motor Graders; D35HP, D40D, D400, And D400D Articulated Dump Trucks; 245, And 245B Excavators; 589 Pipelayers; 621E, 623E, 627E, 631E,
PSP FOR INSTALLING NEW CLAMPS TO SECURE THE STARTER CABLES AND FUEL HOSE ON CERTAIN E70B EXCAVATORS PSP FOR INSTALLING NEW CLAMPS TO SECURE THE STARTER CABLES AND FUEL HOSE ON CERTAIN E70B EXCAVATORS
PSP FOR REDUCING BLACK SMOKE ON CERTAIN E200B AND EL200B EXCAVATORS - PS0466 - MAILED US AND CANADA, CACO PSP FOR REDUCING BLACK SMOKE ON CERTAIN E200B AND EL200B EXCAVATORS - PS0466 - MAILED US AND CANADA, CACO
PSP FOR REDUCING BLACK SMOKE ON CERTAIN E200B AND EL200B EXCAVATORS - PS0466 - MAILED US AND CANADA, CACO PSP FOR REDUCING BLACK SMOKE ON CERTAIN E200B AND EL200B EXCAVATORS - PS0466 - MAILED US AND CANADA, CACO
SERVICE LETTER SUPPLEMENT FOR JUNE 1, 1990 SL - PSP FOR REPAIRING STICK PIVOT BORE ELONGATION ON CERTAIN 231D EXC AVATORS - PS0461 - MAILED US AND CANADA SERVICE LETTER SUPPLEMENT FOR JUNE 1, 1990 SL - PSP FOR REPAIRING STICK PIVOT BORE ELONGATION ON CERTAIN 231D EXC AVATORS - PS0461 - MAILED US AND CANADA
PSP FOR IMPROVING TRAVEL MODULATION, JERKY STEERING, AND/OR TRAVEL DRIFT PROBLEMS ON CERTAIN 235C EXCAVATORS - PS0468 - MAI LED US AND CANADA, COSA PSP FOR IMPROVING TRAVEL MODULATION, JERKY STEERING, AND/OR TRAVEL DRIFT PROBLEMS ON CERTAIN 235C EXCAVATORS - PS0468 - MAI LED US AND CANADA, COSA
PSP FOR REPLACING ERODED CYLINDER HEAD INJECTOR SLEEVES IN CERTAIN IT14B INTEGRATED TOOLCARRIERS; E110B, E120B, E200B, EL2 00B, 213B, 214B, 224B, E240B, EL240B EXCAVATORS; 446 BACKHOE LOADERS; AND 3114 AND 3116 INDUSTRIAL AND GENERATOR SET EN GINES - PSP FOR REPLACING ERODED CYLINDER HEAD INJECTOR SLEEVES IN CERTAIN IT14B INTEGRATED TOOLCARRIERS; E110B, E120B, E200B, EL2 00B, 213B, 214B, 224B, E240B, EL240B EXCAVATORS; 446 BACKHOE LOADERS; AND 3114 AND 3116 INDUSTRIAL AND GENERATOR SET EN GINES -
PSP FOR REPLACING ERODED CYLINDER HEAD INJECTOR SLEEVES IN CERTAIN IT14B INTEGRATED TOOLCARRIERS; 213B, 214B, AND 224B EXC AVATORS; 446 BACKHOE LOADERS; AND 3114 AND 3116 INDUSTRIAL AND GENERATOR SET ENGINES - PS0456 - MAILED COSA PSP FOR REPLACING ERODED CYLINDER HEAD INJECTOR SLEEVES IN CERTAIN IT14B INTEGRATED TOOLCARRIERS; 213B, 214B, AND 224B EXC AVATORS; 446 BACKHOE LOADERS; AND 3114 AND 3116 INDUSTRIAL AND GENERATOR SET ENGINES - PS0456 - MAILED COSA
SERVICE LETTER SUPPLEMENT FOR JUNE 9, 1990 SL - PSP FOR INSTALLING NEW PUMP DRIVE COOLER ON CERTAIN 245, 245B EXC AVATORS - PS4483 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA, LIMITED BRAZIL SERVICE LETTER SUPPLEMENT FOR JUNE 9, 1990 SL - PSP FOR INSTALLING NEW PUMP DRIVE COOLER ON CERTAIN 245, 245B EXC AVATORS - PS4483 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA, LIMITED BRAZIL
Product Support Program For Cylinder Block Liner Seat Cracking On Certain D11N, D11R, 776B, 776C And 776D Tractors, 777B, 777C, 777D, 784B, 785, 785B, 789, 789B, 793, 793B And 793C Trucks, 992G And 994 Wheel Loaders, And 5130 AND 5230 Excavators Product Support Program For Cylinder Block Liner Seat Cracking On Certain D11N, D11R, 776B, 776C And 776D Tractors, 777B, 777C, 777D, 784B, 785, 785B, 789, 789B, 793, 793B And 793C Trucks, 992G And 994 Wheel Loaders, And 5130 AND 5230 Excavators
PSP FOR REPAIRING DEFORMED TRACK ADJUSTER CYLINDER SUPPORT PLATES ON CERTAIN E300B AND EL300B EXCAVATORS - PS4543 - MAI LED US AND CANADA, CACO, CFEL, LIMITED COFA PSP FOR REPAIRING DEFORMED TRACK ADJUSTER CYLINDER SUPPORT PLATES ON CERTAIN E300B AND EL300B EXCAVATORS - PS4543 - MAI LED US AND CANADA, CACO, CFEL, LIMITED COFA
PRIORITY - A NEW ROTATING GROUP FOR THE MAIN AND SWING PUMPS NEEDS TO BE INSTALLED ON CERTAIN E300 AND EL300 EXCAVATORS - PI3 497 - THIS SL CANCELS AND REPLACES THE APRIL 1, 1990 SL - PS0444 - MAILED US AND CANADA, CACO, COFA, CFEL PRIORITY - A NEW ROTATING GROUP FOR THE MAIN AND SWING PUMPS NEEDS TO BE INSTALLED ON CERTAIN E300 AND EL300 EXCAVATORS - PI3 497 - THIS SL CANCELS AND REPLACES THE APRIL 1, 1990 SL - PS0444 - MAILED US AND CANADA, CACO, COFA, CFEL
SERVICE LETTER CANCELLATION FOR NOVEMBER 2, 1990 SL - PS4543 - PSP FOR REPAIRING DEFORMED TRACK ADJUSTER CYLINDER SUPPORT PLA TES ON CERTAIN E300B AND EL300B EXCAVATORS - MAILED US AND CANADA, CACO, CFEL, LIMITED COFA SERVICE LETTER CANCELLATION FOR NOVEMBER 2, 1990 SL - PS4543 - PSP FOR REPAIRING DEFORMED TRACK ADJUSTER CYLINDER SUPPORT PLA TES ON CERTAIN E300B AND EL300B EXCAVATORS - MAILED US AND CANADA, CACO, CFEL, LIMITED COFA
SERVICE LETTER SUPPLEMENT FOR JUNE 25, 1990 (REVISED 11/90) SL - PS0456 - PSP FOR REPLACING ERODED CYLINDER INJECTOR SLEEVES IN CERTAIN (SEE PAPER COPY FOR APPLICABLE MODELS) - MAILED US AND CANADA, CACO, LIMITED COFA SERVICE LETTER SUPPLEMENT FOR JUNE 25, 1990 (REVISED 11/90) SL - PS0456 - PSP FOR REPLACING ERODED CYLINDER INJECTOR SLEEVES IN CERTAIN (SEE PAPER COPY FOR APPLICABLE MODELS) - MAILED US AND CANADA, CACO, LIMITED COFA
Product Support Program For Installing A New Cover And O-Ring Seal On The Travel Drive Motor Of Certain E110B Excavators Product Support Program For Installing A New Cover And O-Ring Seal On The Travel Drive Motor Of Certain E110B Excavators
PRIORITY - THE HEAD BOLTS FOR THE HYDRAULIC CYLINDERS NEED TO BE TIGHTENED TO THE CORRECT TORQUE ON CERTAIN 215D, 219D, 225D, AN D 229D EXCAVATORS - PI3511 - MAILED US AND CANADA, CACO, CFEL, COSA, LIMITED COFA PRIORITY - THE HEAD BOLTS FOR THE HYDRAULIC CYLINDERS NEED TO BE TIGHTENED TO THE CORRECT TORQUE ON CERTAIN 215D, 219D, 225D, AN D 229D EXCAVATORS - PI3511 - MAILED US AND CANADA, CACO, CFEL, COSA, LIMITED COFA
PSP FOR REWORKING BOOM TOWER PLATE BOSS WELDS ON CERTAIN 245B EXCAVATORS - PS4565 - MAILED CFEL, COSA, LIMITED COFA PSP FOR REWORKING BOOM TOWER PLATE BOSS WELDS ON CERTAIN 245B EXCAVATORS - PS4565 - MAILED CFEL, COSA, LIMITED COFA
Product Support Program For Replacing Turbocharger Cartridge On Certain E200B And EL200B Excavators; CP563 AND CS563 Compactors; and AP1050 Pavers Product Support Program For Replacing Turbocharger Cartridge On Certain E200B And EL200B Excavators; CP563 AND CS563 Compactors; and AP1050 Pavers
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
Product Support Program For Repairing Cracked Welds And Reinforcing The Upper Frame On Certain 235C Excavators Product Support Program For Repairing Cracked Welds And Reinforcing The Upper Frame On Certain 235C Excavators