Blocks And Clamps Need To Be Installed To Support The Turbocharger Oil Supply Tube On Certain 3612 And 3616 Engines With Vertical Mounted Exhaust Piping
Usage:
@media screen {
div.divFooter {
display: none;
}
}
@media print {
div.divFooter {
position: fixed;
bottom: 0;
right: 0;
}
}
*If the engine is equipped with vertical mounted exhaust piping.
NOTE: Due to the potential for serious damage to the engine and its installation from a turbocharger oil line failure, blocks an clamps should be installed as soon as possible. Priority should be given to 3612 Engines rated between 850 - 1000 RPM
Problem
Blocks and clamps need to be installed on certain 3612 and 3616 Engines to support the turbocharger oil supply tube. If cracks from vibration exist, the tube assembly and tee will also need to be replaced.
Affected Product
Model & Identification Number
3612* (9RC1-110)
3616* (1PD1-55)
*If the engine is equipped with vertical mounted exhaust piping.
Parts Needed
Dealers will need to order parts for this Program.
- 2 - 6K4938 Clip
- 2 - 6K4939 Bracket
- 2 - 2M9780 Seal O-ring
- 2 - 4P7981 Block (Dealers should fabricate if not available)
- 2 - 5P8245 Washer
- 2 - 0S1594 Bolt
- 2 - 9S1366 Bolt
- 2 - 3V3308 Washer
- 1 - 2W4028 Tube Assembly (Use if required)
- 1 - 314136 Tee (Use if required)
- 2 - 6K4939 Bracket
Action Required
If the 4P7981 Blocks are not available, fabricate the blocks as shown in Illustration 3.
Illustration 3 - Fabricate Blocks if Necessary
If the tube assembly and/or tee need to be replaced, replace them before installing the blocks and clamps.
Attach the two 4P7981 Blocks to the turbocharger housing water covers using the 9S1366 Bolts and 5P8245 Washers. See Illustrations 1 and 2.
Illustration 1 - Detail of Clamp Installation
Illustration 2 - Location of Parts
Position the 6K4938 Clips and 6K4939 Brackets on the 2W4028 Tube Assembly and attach to the blocks using the 0S1549 Bolts and 3V3308 Washers.
Owner Notification
U.S. and Canadian owners will receive the attached Owner Notification.
Service Claim Allowances
NOTE: This is a 1-hour job.
NOTE: An additional one hour of labor will be allowed to fabricate the 4P7981 Blocks if they are not available.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
NOTE: MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.
Attach. (1-Owner Notification)
Copy Of Owner Notification For U.S. And Canadian Owners
Caterpillar Information System:
PSP FOR INCREASING THE LUBRICATION TO THE VALVE TRAIN ON CERTAIN LOW SPEED 3406B GENERATOR SET, INDUSTRIAL, AND MARINE ENG INES - PS4632 - MAILED US AND CANADA, CACO, CFEL, MARINE TEPS, LIMITED COFA, LIMITED COSA PSP FOR INCREASING THE LUBRICATION TO THE VALVE TRAIN ON CERTAIN LOW SPEED 3406B GENERATOR SET, INDUSTRIAL, AND MARINE ENG INES - PS4632 - MAILED US AND CANADA, CACO, CFEL, MARINE TEPS, LIMITED COFA, LIMITED COSA
PSP FOR REPLACING UNIT INJECTOR RETURN SPRINGS ON CERTAIN D11N TRACTORS; 776B TRACTORS; 777B, 785, 789 TRUCKS; 3508, 3512, 351 6 ENGINES - PS4591 - MAILED BRAZIL PSP FOR REPLACING UNIT INJECTOR RETURN SPRINGS ON CERTAIN D11N TRACTORS; 776B TRACTORS; 777B, 785, 789 TRUCKS; 3508, 3512, 351 6 ENGINES - PS4591 - MAILED BRAZIL
PSP FOR REPLACING UNIT INJECTOR RETURN SPRINGS ON CERTAIN D11N TRACTORS; 776B TRACTORS; 777B, 785, 789 TRUCKS; 3508, 3512, 351 6 ENGINES - PS4591 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA, MARINE TEPS PSP FOR REPLACING UNIT INJECTOR RETURN SPRINGS ON CERTAIN D11N TRACTORS; 776B TRACTORS; 777B, 785, 789 TRUCKS; 3508, 3512, 351 6 ENGINES - PS4591 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA, MARINE TEPS
Product Support Program For Repairing The Rear Power Take-Off On Certain 3306B Truck Engines Product Support Program For Repairing The Rear Power Take-Off On Certain 3306B Truck Engines
PSP FOR INSTALLING A NEW ENGINE SPEED SENSOR IN CERTAIN 3406B PEEC ENGINES - PS0547 - MAILED US AND CANADA, COFA, TRUCK TEPS PSP FOR INSTALLING A NEW ENGINE SPEED SENSOR IN CERTAIN 3406B PEEC ENGINES - PS0547 - MAILED US AND CANADA, COFA, TRUCK TEPS
PSP FOR INSTALLING A HIGHER CAPACITY AIR CLEANER GROUP ON CERTAIN HIGH PERFORMANCE 3412 MARINE ENGINES - PS4653 - MAILED US AND CANADA, CACO, CFEL, COSA, MARINE TEPS, LIMITED COFA PSP FOR INSTALLING A HIGHER CAPACITY AIR CLEANER GROUP ON CERTAIN HIGH PERFORMANCE 3412 MARINE ENGINES - PS4653 - MAILED US AND CANADA, CACO, CFEL, COSA, MARINE TEPS, LIMITED COFA
SERVICE LETTER SUPPLEMENT FOR JANUARY 30, 1991 SL - PS0483 - PSP FOR REPLACING THE 12 VOLT STARTER ON CERTAIN 3208 MARINE ENG INES - MAILED US AND CANADA, CACO, COFA, CFEL, COSA, MARINE TEPS SERVICE LETTER SUPPLEMENT FOR JANUARY 30, 1991 SL - PS0483 - PSP FOR REPLACING THE 12 VOLT STARTER ON CERTAIN 3208 MARINE ENG INES - MAILED US AND CANADA, CACO, COFA, CFEL, COSA, MARINE TEPS
SERVICE LETTER SUPPLEMENT FOR FEBRUARY 4, 1991 SL - PI3475 - PRIORITY - THE FUEL CONTROL HOUSINGS NEED TO BE REPLACED ON CER TAIN 3612 AND 3616 ENGINES - MAILED US AND CANADA, CACO, BRAZIL, CFEL, LIMITED COSA SERVICE LETTER SUPPLEMENT FOR FEBRUARY 4, 1991 SL - PI3475 - PRIORITY - THE FUEL CONTROL HOUSINGS NEED TO BE REPLACED ON CER TAIN 3612 AND 3616 ENGINES - MAILED US AND CANADA, CACO, BRAZIL, CFEL, LIMITED COSA
Product Support Program For Repairing A Failed Fuel Injector Sleeve Or Sleeve To Head Joint On Certain 3176 Truck Engines Product Support Program For Repairing A Failed Fuel Injector Sleeve Or Sleeve To Head Joint On Certain 3176 Truck Engines
PSP FOR REPLACING THE TURBOCHARGER BELLOWS ON CERTAIN 3608 ENGINES EQUIPPED WITH 9Y3208 MANIFOLDS - PS0494 - MAILED US AND CANADA, CFEL, LIMITED COFA, LIMITED COSA PSP FOR REPLACING THE TURBOCHARGER BELLOWS ON CERTAIN 3608 ENGINES EQUIPPED WITH 9Y3208 MANIFOLDS - PS0494 - MAILED US AND CANADA, CFEL, LIMITED COFA, LIMITED COSA
PSP FOR REPLACING THE CONTROL GROUP (PERSONALITY MODULE) ON CERTAIN 460 HP 3406B PEEC ENGINES - PS4589 - MAILED US AND CAN ADA, TRUCK TEPS PSP FOR REPLACING THE CONTROL GROUP (PERSONALITY MODULE) ON CERTAIN 460 HP 3406B PEEC ENGINES - PS4589 - MAILED US AND CAN ADA, TRUCK TEPS
PSP FOR EXHAUST VALVE STICKING ON 1990 MODEL YEAR 3116 TRUCK ENGINES - PS4568 - MAILED US AND CANADA, LIMITED TRUCK TEPS - THI S SL EFFECTIVE NOVEMBER 1, 1990 PSP FOR EXHAUST VALVE STICKING ON 1990 MODEL YEAR 3116 TRUCK ENGINES - PS4568 - MAILED US AND CANADA, LIMITED TRUCK TEPS - THI S SL EFFECTIVE NOVEMBER 1, 1990
Product Support Program For Improving Cold Start Combustion In Certain 3508, 3512, And 3516 Engines To Reduce Piston Seizures Product Support Program For Improving Cold Start Combustion In Certain 3508, 3512, And 3516 Engines To Reduce Piston Seizures
Product Support Program For Exhaust Valve Sticking On 1991 Model Year 3116 Truck Engines, 215 And 250 HP Only (2BK) Product Support Program For Exhaust Valve Sticking On 1991 Model Year 3116 Truck Engines, 215 And 250 HP Only (2BK)
New Fuel Manifolds And Fuel Line Clamps Need Be Installed On Certain 3516 Generator Set Engines (50 Hz), And 3516 Marine Engines (Australian Patrol Craft) New Fuel Manifolds And Fuel Line Clamps Need Be Installed On Certain 3516 Generator Set Engines (50 Hz), And 3516 Marine Engines (Australian Patrol Craft)
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
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
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 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
PARTS STOCK ACTION ONLY - 1R0710 FUEL FILTERS IN PARTS STOCK NEED TO BE INSPECTED FOR CORRECT THREAD SIZE - PI7266 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA, TRUCK TEPS, MARINE TEPS, AGRICULTURE TEPS PARTS STOCK ACTION ONLY - 1R0710 FUEL FILTERS IN PARTS STOCK NEED TO BE INSPECTED FOR CORRECT THREAD SIZE - PI7266 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA, TRUCK TEPS, MARINE TEPS, AGRICULTURE TEPS
PRIORITY - NEW PARTS NEED TO BE INSTALLED IN REAR CAM DRIVE GEAR GROUP ON CERTAIN 3516 LOW SPEED INDUSTRIAL AND MARINE ENG INES - PI3539 - MAILED US AND CANADA, CACO, CFEL, COSA - REVISED 11/91 PRIORITY - NEW PARTS NEED TO BE INSTALLED IN REAR CAM DRIVE GEAR GROUP ON CERTAIN 3516 LOW SPEED INDUSTRIAL AND MARINE ENG INES - PI3539 - MAILED US AND CANADA, CACO, CFEL, COSA - REVISED 11/91
Product Support Program For Cam Drive Gears, Shafts, And Sleeve Bearings In Rear Gear Train Of Certain 3500 Family Of Engines Product Support Program For Cam Drive Gears, Shafts, And Sleeve Bearings In Rear Gear Train Of Certain 3500 Family Of Engines
Product Support Program For Installing New Connecting Rod Bearings In Certain 3176 Truck Engines Product Support Program For Installing New Connecting Rod Bearings In Certain 3176 Truck Engines
Service Letter Supplement Service Letter Supplement
PARTS STOCK ACTION ONLY - 1R0734 OIL FILTERS NEED TO BE REMOVED FROM PARTS STOCK - PI7272 - MAILED US AND CANADA, CACO, CO FA, BRAZIL, CFEL, COSA, TRUCK TEPS, MARINE TEPS, AGRICULTURE TEPS PARTS STOCK ACTION ONLY - 1R0734 OIL FILTERS NEED TO BE REMOVED FROM PARTS STOCK - PI7272 - MAILED US AND CANADA, CACO, CO FA, BRAZIL, CFEL, COSA, TRUCK TEPS, MARINE TEPS, AGRICULTURE TEPS