PRIORITY - PARTS STOCK ACTION NEEDED - A NEW OIL REGULATOR AND OIL REGULATOR HOUSING NEED TO BE INSTALLED ON CERTAIN 3606, 360 8, 3612, AND 3616 ENGINES - PI3486 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA, LIMITED BRAZIL
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PRIORITY - PARTS STOCK ACTION NEEDED - A NEW OIL REGULATOR AND OIL REGULATOR HOUSING NEED TO BE INSTALLED ON CERTAIN 3606, 360 8, 3612, AND 3616 ENGINES - PI3486 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA, LIMITED 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.
U-5 A-4 AU-5 B-1.1 E-5 O-5 PRIORITY PARTS STOCK ACTION NEEDED 1330 PI3486 NOTE: Check to see if the Affected Product falls into one group. If it is included in more than one of the groups, do all applicable portions of the rework at the same time. COMPLETION DATE
Termination Date
July 31, 1991 January 31, 1992
Problem
A new tube assembly and oil regulator housing need to be installed on certain 3606, 3608, 3612, and 3616 Engines. The improved monitoring capability of these parts will reduce the possibility of inaccurate temperature readings and alarms. **** Group 1 **** Oil may leak past the oil temperature regulators on certain 3606, 3608, 3612, and 3616 Engines. A new regulator housing that has improved sealing capability needs to be installed. **** Group 2 **** The location of the oil temperature contacting sensors and oil temperature gauge sensors on certain 3606, 3608, 3612, and 3616 Engines may permit inaccurate readings and may not give alarms at the correct temperature. A new tube assembly needs to be fabricated and installed.
Affected Product
Model Identification Number **** Group 1 **** 3606 8RB292-310 3608 6MC1-250 3612 9RC15-32 3616 1PD18-24 **** Group 2 **** 3606 8RB1-358 3608 6MC1-288 3612 9RC13-64 3616 1PD1-36
Parts Needed
Dealers will need to order parts for this program. **** Group 1 **** 1 - 7C6021 Housing 4 - 3S9643 Seal 2 - 6V5101 Seal 1 - 9Y9842 Gasket **** Group 2 **** 4 - 2B0858 Plug 1 - 9Y9842 Gasket 2 - 3P0654 O-ring Seal Fabricated Bosses
Action Required
**** Parts Stock **** Remove all 7W3552 Regulator Housings from dealer and customer parts stock. **** Affected Product **** **** Group 1 **** Remove the existing 7W3552 Regulator Housing and install the new 7C6021 Regulator Housing. Install the new 3S9643 Seals around the oil temperature regulators and install the rest of the related parts. **** Group 2 **** Remove the existing 7W2493 Tube and modify the tube as shown in the illustrations. Install the tube and the related parts. Relocate all of the oil temperature sensors from the top of the 7W3553 Regulator Cover to the ports in the modified 7W2493 Tube. Plug the open ports in the 7W3553 Regulator Cover. ****** IMAGE: SEBE4488.01001.001 CAPTION: Illustration 1 - Location of tube ****** IMAGE: SEBE4488.01001.002 CAPTION: Illustration 2 - Fabricate bosses ****** IMAGE: SEBE4488.01001.003 CAPTION: Illustration 3
Owner Notification
Not Applicable
Service Claim Allowances
Caterpillar Dealer Suggested Customer Suggested Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs. **** Group 1 only **** 100% 3 0 0 0 0 **** Group 2 only **** 100% 3 0 0 0 0 **** Group 1 and 2 **** 100% 6 0 0 0 0 NOTE: This is a 3 to 6 hour job.
Parts Disposition
Any parts removed (with the exception of cores used for Caterpillar Remanufactured parts) can be rendered useless and scrapped immediately upon completion of the repair. MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.
Caterpillar Information System:
PSP FOR REPLACING LEAKING EXHAUST GAS INLET HOUSINGS ON CERTAIN 3606, 3608, 3612, AND 3616 ENGINES - PS0457 - MAILED US AND CANADA, CACO, COFA, BRAZIL, LIMITED COSA, LIMITED CFEL PSP FOR REPLACING LEAKING EXHAUST GAS INLET HOUSINGS ON CERTAIN 3606, 3608, 3612, AND 3616 ENGINES - PS0457 - MAILED US AND CANADA, CACO, COFA, BRAZIL, LIMITED COSA, LIMITED CFEL
PSP FOR UPDATING THE GOVERNOR SHUTOFF GROUP ON CERTAIN 3406 INDUSTRIAL ENGINES (PCTA) EQUIPPED WITH ENERGIZE TO RUN FUEL SHU TOFF SOLENOIDS - PS4563 - MAILED US AND CANADA, COFA, CFEL, COSA PSP FOR UPDATING THE GOVERNOR SHUTOFF GROUP ON CERTAIN 3406 INDUSTRIAL ENGINES (PCTA) EQUIPPED WITH ENERGIZE TO RUN FUEL SHU TOFF SOLENOIDS - PS4563 - MAILED US AND CANADA, COFA, CFEL, COSA
Product Support Program For Replacing Cracked Cylinder Blocks On Certain 3306B Truck Engines Product Support Program For Replacing Cracked Cylinder Blocks On Certain 3306B Truck Engines
Flame Arrestors Need To Be Installed On Certain 3512 And 3516 Spark Ignited Engines To Prevent Inlet Manifold Backfires Flame Arrestors Need To Be Installed On Certain 3512 And 3516 Spark Ignited Engines To Prevent Inlet Manifold Backfires
PRIORITY - SUPPORT NEEDS TO BE ADDED TO INSTRUMENT PANEL FUEL LINE ON CERTAIN 3508, 3512, AND 3516 GENERATOR SET ENGINES EQU IPPED WITH A 4W6887 INSTRUMENT PANEL - PI3492 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA PRIORITY - SUPPORT NEEDS TO BE ADDED TO INSTRUMENT PANEL FUEL LINE ON CERTAIN 3508, 3512, AND 3516 GENERATOR SET ENGINES EQU IPPED WITH A 4W6887 INSTRUMENT PANEL - PI3492 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA
PSP FOR INSTALLING A NEW 7C7557 VOLTAGE REGULATOR ON CERTAIN 3114, 3116, 3208, 3306, AND 3406 GENERATOR SET ENGINES (BSSB) EQU IPPED WITH A SR4 GENERATOR - PS4538 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA - REVISED 01/91 PSP FOR INSTALLING A NEW 7C7557 VOLTAGE REGULATOR ON CERTAIN 3114, 3116, 3208, 3306, AND 3406 GENERATOR SET ENGINES (BSSB) EQU IPPED WITH A SR4 GENERATOR - PS4538 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA - REVISED 01/91
PSP FOR UPDATING THE GOVERNOR SHUTOFF GROUP ON CERTAIN 3408 AND 3412 GENERATOR SET AND INDUSTRIAL ENGINES EQUIPPED WITH ENE RGIZE TO RUN FUEL SHUTOFF SOLENOIDS - PS4539 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA PSP FOR UPDATING THE GOVERNOR SHUTOFF GROUP ON CERTAIN 3408 AND 3412 GENERATOR SET AND INDUSTRIAL ENGINES EQUIPPED WITH ENE RGIZE TO RUN FUEL SHUTOFF SOLENOIDS - PS4539 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA
PSP FOR TIMING ADVANCE SLIPPAGE ON CERTAIN 3406B TRUCK ENGINES - EFFECTIVE OCTOBER 09, 1990 - PS6042 - THIS SL REPLACES POR TION OF MAY 17, 1990 SL - PS4300 - INVOLVING 3406B TRUCK ENGINES - MAILED US AND CANADA, COFA, CFEL, TRUCK TEPS - LIMITE D COS PSP FOR TIMING ADVANCE SLIPPAGE ON CERTAIN 3406B TRUCK ENGINES - EFFECTIVE OCTOBER 09, 1990 - PS6042 - THIS SL REPLACES POR TION OF MAY 17, 1990 SL - PS4300 - INVOLVING 3406B TRUCK ENGINES - MAILED US AND CANADA, COFA, CFEL, TRUCK TEPS - LIMITE D COS
PSP FOR REPLACING THE CONNECTING ROD BEARINGS IN CERTAIN 3406B TRUCK ENGINES - EFFECTIVE OCTOBER 09, 1990 - PS6041 - MAILED US AND CANADA, COFA, CFEL, TRUCK TEPS, LIMITED COSA PSP FOR REPLACING THE CONNECTING ROD BEARINGS IN CERTAIN 3406B TRUCK ENGINES - EFFECTIVE OCTOBER 09, 1990 - PS6041 - MAILED US AND CANADA, COFA, CFEL, TRUCK TEPS, LIMITED COSA
PSP FOR REPLACING FAILED CYLINDER HEAD GASKETS ON CERTAIN 3406B TRUCK ENGINES - EFFECTIVE OCTOBER 09, 1990 - PS6040 - THI S SL CANCELS AND REPLACES APRIL 12, 1990 (REVISED AUGUST 1990) SL - PS0450 - MAILED US AND CANADA, COFA, CFEL, TRUCK TEPS, LIMIT PSP FOR REPLACING FAILED CYLINDER HEAD GASKETS ON CERTAIN 3406B TRUCK ENGINES - EFFECTIVE OCTOBER 09, 1990 - PS6040 - THI S SL CANCELS AND REPLACES APRIL 12, 1990 (REVISED AUGUST 1990) SL - PS0450 - MAILED US AND CANADA, COFA, CFEL, TRUCK TEPS, LIMIT
PSP FOR CYLINDER HEAD GASKET FAILURES ON CERTAIN 3306 TRUCK ENGINES - EFFECTIVE OCTOBER 09, 1990 - PS6043 - REPLACES POR TION OF JUNE 20, 1990 SL - PS0453 - INVOLVING 3306 TRUCK ENGINES - MAILED US AND CANADA, COFA, CFEL, TRUCK TEPS, LIMITE D COSA - PSP FOR CYLINDER HEAD GASKET FAILURES ON CERTAIN 3306 TRUCK ENGINES - EFFECTIVE OCTOBER 09, 1990 - PS6043 - REPLACES POR TION OF JUNE 20, 1990 SL - PS0453 - INVOLVING 3306 TRUCK ENGINES - MAILED US AND CANADA, COFA, CFEL, TRUCK TEPS, LIMITE D COSA -
PSP FOR REPLACING THE CAMSHAFT ON CERTAIN 3306 TRUCK ENGINES - EFFECTIVE OCTOBER 09, 1990 - PS6039 - REPLACES PORTION OF AUG UST 30, 1990 SL - PS0455 - INVOLVING 3306 TRUCK ENGINES - MAILED US AND CANADA, COFA, CFEL, TRUCK TEPS, LIMITED COSA - REVISE PSP FOR REPLACING THE CAMSHAFT ON CERTAIN 3306 TRUCK ENGINES - EFFECTIVE OCTOBER 09, 1990 - PS6039 - REPLACES PORTION OF AUG UST 30, 1990 SL - PS0455 - INVOLVING 3306 TRUCK ENGINES - MAILED US AND CANADA, COFA, CFEL, TRUCK TEPS, LIMITED COSA - REVISE
PRODUCT IMPROVEMENT PROGRAM FOR UPDATING THE GOVERNORS ON CERTAIN 3116 TRUCK ENGINES PRODUCT IMPROVEMENT PROGRAM FOR UPDATING THE GOVERNORS ON CERTAIN 3116 TRUCK ENGINES
PSP FOR REPLACING THE 12 VOLT STARTER ON CERTAIN 3208 MARINE ENGINES - PS0483 - MAILED US AND CANADA, CACO, COFA, CFEL, COS A, MARINE TEPS PSP FOR REPLACING THE 12 VOLT STARTER ON CERTAIN 3208 MARINE ENGINES - PS0483 - MAILED US AND CANADA, CACO, COFA, CFEL, COS A, MARINE TEPS
PRIORITY - THE FUEL CONTROL HOUSINGS NEED TO BE REPLACED ON CERTAIN 3612 AND 3616 ENGINES - PI3475 - MAILED US AND CANADA, CAC O, BRAZIL, CFEL, LIMITED COSA PRIORITY - THE FUEL CONTROL HOUSINGS NEED TO BE REPLACED ON CERTAIN 3612 AND 3616 ENGINES - PI3475 - MAILED US AND CANADA, CAC O, BRAZIL, CFEL, LIMITED COSA
Product Support Program For Replacing The Front Bevel Gear And Pinion On Certain 988B Wheel Loaders With Custom Modified Torque Converters Product Support Program For Replacing The Front Bevel Gear And Pinion On Certain 988B Wheel Loaders With Custom Modified Torque Converters
SERVICE LETTER EXTENSION FOR AUGUST 28, 1989 SL - PSP FOR FRONT TIMING GEAR FAILURES ON CERTAIN 3208 TURBOCHARGED AFT ERCOOLED MARINE ENGINES USED IN PLEASURE CRAFT APPLICATIONS - PS0405 - MAILED US AND CANADA, COSA, MARINE TEPS SERVICE LETTER EXTENSION FOR AUGUST 28, 1989 SL - PSP FOR FRONT TIMING GEAR FAILURES ON CERTAIN 3208 TURBOCHARGED AFT ERCOOLED MARINE ENGINES USED IN PLEASURE CRAFT APPLICATIONS - PS0405 - MAILED US AND CANADA, COSA, MARINE TEPS
PSP FOR REPLACING THE STUB SHAFT & BEARING AS. IN THE 4N1092 REAR BALANCER GROUP ON CERTAIN 631E, 637E, 657E SCRAPERS; 768C TRA CTORS; 769C TRUCKS; 3408 INDUSTRIAL, MARINE, SPARK-IGNITED, & GENERATOR SET ENGINES - PS4572 - MAILED US, CANADA, CACO, BR PSP FOR REPLACING THE STUB SHAFT & BEARING AS. IN THE 4N1092 REAR BALANCER GROUP ON CERTAIN 631E, 637E, 657E SCRAPERS; 768C TRA CTORS; 769C TRUCKS; 3408 INDUSTRIAL, MARINE, SPARK-IGNITED, & GENERATOR SET ENGINES - PS4572 - MAILED US, CANADA, CACO, BR
SERVICE LETTER SUPPLEMENT FOR JANUARY 31, 1991 SL - PSP FOR REPLACING THE OIL PAN ON CERTAIN 215C, 215D, 219, 219D, 225B, 225 D, 229, AND 229D EXCAVATORS; AND 936, G936, 936E, 950B, AND 950E LOADERS - PS0484 - MAILED US AND CANADA, CACO, COFA, CFEL, SERVICE LETTER SUPPLEMENT FOR JANUARY 31, 1991 SL - PSP FOR REPLACING THE OIL PAN ON CERTAIN 215C, 215D, 219, 219D, 225B, 225 D, 229, AND 229D EXCAVATORS; AND 936, G936, 936E, 950B, AND 950E LOADERS - PS0484 - MAILED US AND CANADA, CACO, COFA, CFEL,
PRIORITY - PARTS STOCK ACTION NEEDED - NEW VALVE LOCKS NEED TO BE INSTALLED ON CERTAIN D4E, D5B, D6D, D6E, D8L TRACTORS; 930R, 96 6R WHEEL LOADERS; 120G, 140G MOTOR GRADERS; 621S SCRAPERS; 3306, 3408 ENGINES - PI3515 - MAILED BRAZIL PRIORITY - PARTS STOCK ACTION NEEDED - NEW VALVE LOCKS NEED TO BE INSTALLED ON CERTAIN D4E, D5B, D6D, D6E, D8L TRACTORS; 930R, 96 6R WHEEL LOADERS; 120G, 140G MOTOR GRADERS; 621S SCRAPERS; 3306, 3408 ENGINES - PI3515 - MAILED BRAZIL
SERVICE LETTER SUPPLEMENT FOR DECEMBER 7, 1990 SL - PSP FOR UPDATING THE GOVERNOR SHUTOFF GROUP ON CERTAIN 3408 AND 3412 GEN ERATOR SET AND INDUSTRIAL ENGINES EQUIPPED WITH ENERGIZE TO RUN FUEL SHUTOFF SOLENOIDS - PS4539 - MAILED US AND CANADA, CACO, SERVICE LETTER SUPPLEMENT FOR DECEMBER 7, 1990 SL - PSP FOR UPDATING THE GOVERNOR SHUTOFF GROUP ON CERTAIN 3408 AND 3412 GEN ERATOR SET AND INDUSTRIAL ENGINES EQUIPPED WITH ENERGIZE TO RUN FUEL SHUTOFF SOLENOIDS - PS4539 - MAILED US AND CANADA, CACO,
SERVICE LETTER CANCELLATION FOR MAY 17, 1989 SL - PSP FOR TIMING ADVANCE RACE WEAR AND RETAINING RING LOSS ON CERTAIN 340 6B TRUCK ENGINES - PS4300 - MAILED US AND CANADA, CACO, COFA, TRUCK TEPS, LIMITED COSA SERVICE LETTER CANCELLATION FOR MAY 17, 1989 SL - PSP FOR TIMING ADVANCE RACE WEAR AND RETAINING RING LOSS ON CERTAIN 340 6B TRUCK ENGINES - PS4300 - MAILED US AND CANADA, CACO, COFA, TRUCK TEPS, LIMITED COSA
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
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