PRIORITY - CAMSHAFT BOLTS NEED TO BE CHECKED FOR LOW TORQUE ON CERTAIN 3606, 3608, 3612, AND 3616 ENGINES - PI3394 - MAILED US, CANADA CACO, COFA, CFEL, LIMITED COSA
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PRIORITY - CAMSHAFT BOLTS NEED TO BE CHECKED FOR LOW TORQUE ON CERTAIN 3606, 3608, 3612, AND 3616 ENGINES - PI3394 - MAILED US, CANADA CACO, COFA, CFEL, LIMITED COSA
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-50 A-35 AU-33 E-27 O-36.1 PRIORITY 1210 PI3394
Termination Date
March 31, 1990
Problem
The bolts that hold the camshaft segments together on certain 3606, 3608, 3612, and 3616 Engines may not be tightened to the correct torque.
Affected Product
Model Identification Number 3606 8RB1-341, 343, 344, 346, 348 3608 6MC1-267, 269-272, 274, 277-279 5PG1-3 3612 9RC1-26, 29-47, 52-54 3616 1PD1-24, 26-28
Parts Needed
Not Applicable
Action Required
Check the torque of the 0S1585 Bolts that hold the camshaft segments together and tighten them if necessary. The correct torque for the 0S1585 Bolts is 135 +/- 15 N.m (100 +/- 10 lb ft). Mark all of the bolts as they are checked to make sure none are missed. If any of the bolts are not tightened to the correct torque or are missing, record the quantity and position of these bolts and send to: All Dealers Except COSA COSA Dealers Caterpillar Inc. Caterpillar Overseas S.A. Moss-VV SEGO P.O. Box 456 P.O. Box 600 1211 Geneva 6 Mossville, Il 61552-0600 Switzerland Attn. Michael A. Watson Attn. Product Support Engr. 3600 Engines - 3EN40
Service Claim Allowances
Caterpillar Dealer Suggested Customer Suggested Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs. (D/N) (Sell) (C/L) (Sell) 3606 Engines - 3 0 0 0 0 3608 Engines - 4 0 0 0 0 3612 Engines - 6 0 0 0 0 3616 Engines - 8 0 0 0 0 NOTE: This is a 3 to 8-hour job.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.
Caterpillar Information System:
PSP FOR INSTALLING NEW AFTERCOOLER COVER ON CERTAIN 3412 SPARK IGNITED ENGINES - PS4303 - MAILED US AND CANADA, COSA, LIMITED CAC O PSP FOR INSTALLING NEW AFTERCOOLER COVER ON CERTAIN 3412 SPARK IGNITED ENGINES - PS4303 - MAILED US AND CANADA, COSA, LIMITED CAC O
PSP FOR FRONT GEAR TRAIN WEAR ON CERTAIN 3508 ENGINES (50 HZ PRIME POWER GENERATOR SET) - PS4279 - MAILED US AND CANADA, CAC O, COFA, CFEL, COSA PSP FOR FRONT GEAR TRAIN WEAR ON CERTAIN 3508 ENGINES (50 HZ PRIME POWER GENERATOR SET) - PS4279 - MAILED US AND CANADA, CAC O, COFA, CFEL, COSA
SERVICE LETTER SUPPLEMENT FOR DECEMBER 20, 1988 SL - PI3376 - CLAMP NEEDS TO BE INSTALLED ON THE FUEL LINES GROUP ON CERTAIN 340 8 INDUSTRIAL, MARINE, GENERATOR SET, AND TRUCK ENGINES - MAILED US AND CANADA, CACO, COFA, CFEL, COSA, TRUCK TEPS, MARINE SERVICE LETTER SUPPLEMENT FOR DECEMBER 20, 1988 SL - PI3376 - CLAMP NEEDS TO BE INSTALLED ON THE FUEL LINES GROUP ON CERTAIN 340 8 INDUSTRIAL, MARINE, GENERATOR SET, AND TRUCK ENGINES - MAILED US AND CANADA, CACO, COFA, CFEL, COSA, TRUCK TEPS, MARINE
PRIORITY - PARTS STOCK ACTION NEEDED - OIL FILTER BYPASS VALVE NEEDS TO BE CHANGED ON CERTAIN 3606, 3608, 3612 & 3616 ENGINES - M AILED US, CANADA, CFEL, LIMITED CACO, COFA, COSA PRIORITY - PARTS STOCK ACTION NEEDED - OIL FILTER BYPASS VALVE NEEDS TO BE CHANGED ON CERTAIN 3606, 3608, 3612 & 3616 ENGINES - M AILED US, CANADA, CFEL, LIMITED CACO, COFA, COSA
PRIORITY - CALIFORNIA AIR RESOURCES BOARD (CARB) CERTIFICATION LABELS NEED TO BE INSTALLED ON CERTAIN 3406B TRUCK ENGINES - MAI LED US, CANADA, TRUCK TEPS PRIORITY - CALIFORNIA AIR RESOURCES BOARD (CARB) CERTIFICATION LABELS NEED TO BE INSTALLED ON CERTAIN 3406B TRUCK ENGINES - MAI LED US, CANADA, TRUCK TEPS
PRIORITY - NEW GOVERNOR DRIVE AND HOUSING ASSEMBLY NEED TO BE INSTALLED ON CERTAIN 3612 AND 3616 INDUSTRIAL ENGINES - MAILED BRA ZIL, LIMITED US, CANADA, CACO, CFEL, AND COSA PRIORITY - NEW GOVERNOR DRIVE AND HOUSING ASSEMBLY NEED TO BE INSTALLED ON CERTAIN 3612 AND 3616 INDUSTRIAL ENGINES - MAILED BRA ZIL, LIMITED US, CANADA, CACO, CFEL, AND COSA
PRIORITY - ROLLER BEARINGS ON THE IDLER SHAFT OF THE AUXILIARY WATER PUMP NEEDS TO BE REPLACED ON CERTAIN 3408B, 3412 SPARK IGN ITED ENGINES - MAILED CFEL, LIMITED US, CANADA, COSA PRIORITY - ROLLER BEARINGS ON THE IDLER SHAFT OF THE AUXILIARY WATER PUMP NEEDS TO BE REPLACED ON CERTAIN 3408B, 3412 SPARK IGN ITED ENGINES - MAILED CFEL, LIMITED US, CANADA, COSA
PSP FOR WIRE ABRASION AND/OR WATER IN THE AIR RATIO LINES GROUP BOOST LINE ON CERTAIN 3406B ENGINES EQUIPPED WITH PRO GRAMMABLE ELECTRONIC ENGINE CONTROL (PEEC) - PS4260 - MAILED US AND CANADA, TRUCK TEPS PSP FOR WIRE ABRASION AND/OR WATER IN THE AIR RATIO LINES GROUP BOOST LINE ON CERTAIN 3406B ENGINES EQUIPPED WITH PRO GRAMMABLE ELECTRONIC ENGINE CONTROL (PEEC) - PS4260 - MAILED US AND CANADA, TRUCK TEPS
PSP FOR INCORRECT STARTING SYSTEM CIRCUIT BREAKER AND/OR WIRE CONNECTION ON CERTAIN 3116 GENERATOR SETS - MAILED US AND CAN ADA, CACO, CFEL, LIMITED COSA PSP FOR INCORRECT STARTING SYSTEM CIRCUIT BREAKER AND/OR WIRE CONNECTION ON CERTAIN 3116 GENERATOR SETS - MAILED US AND CAN ADA, CACO, CFEL, LIMITED COSA
PRIORITY - FLAME ARRESTORS NEED TO BE INSTALLED TO PREVENT MANIFOLD EXPLOSIONS ON CERTAIN 3512 AND 3516 SPARK IGNITED ENG INES - US, CANADA, LIMITED COSA PRIORITY - FLAME ARRESTORS NEED TO BE INSTALLED TO PREVENT MANIFOLD EXPLOSIONS ON CERTAIN 3512 AND 3516 SPARK IGNITED ENG INES - US, CANADA, LIMITED COSA
POWER TAKEOFF NEEDS TO BE CLEANED AND BEARINGS ADJUSTED AND REPACKED ON CERTAIN 3412 INDUSTRIAL ENGINES - MAILED US, CAN ADA, COSA POWER TAKEOFF NEEDS TO BE CLEANED AND BEARINGS ADJUSTED AND REPACKED ON CERTAIN 3412 INDUSTRIAL ENGINES - MAILED US, CAN ADA, COSA
PSP FOR CRACKS IN TURBOCHARGER FLANGE OF RIGHT EXHAUST MANIFOLDS ON CERTAIN 3516 MARINE ENGINES - MAILED US AND CAN ADA, CACO, COFA, LIMITED COSA PSP FOR CRACKS IN TURBOCHARGER FLANGE OF RIGHT EXHAUST MANIFOLDS ON CERTAIN 3516 MARINE ENGINES - MAILED US AND CAN ADA, CACO, COFA, LIMITED COSA
PARTS STOCK ACTION ONLY - DUE TO UPDATES IN CONTROL GROUP (PERSONALITY MODULE) SOFTWARE CERTAIN CONTROL GROUPS ARE OUT DATED AND NEED TO BE REMOVED FROM PARTS STOCK - PI7208 - MAILED US AND CANADA, COSA PARTS STOCK ACTION ONLY - DUE TO UPDATES IN CONTROL GROUP (PERSONALITY MODULE) SOFTWARE CERTAIN CONTROL GROUPS ARE OUT DATED AND NEED TO BE REMOVED FROM PARTS STOCK - PI7208 - MAILED US AND CANADA, COSA
SERVICE LETTER SUPPLEMENT FOR FEBRUARY 14, 1989 SL - PS4279 - PSP FOR FRONT GEAR TRAIN WEAR ON CERTAIN 3508 ENGINES (50 HZ PRI ME POWER GENERATOR SET) - MAILED US AND CANADA, CACO, COFA, CFEL, COSA SERVICE LETTER SUPPLEMENT FOR FEBRUARY 14, 1989 SL - PS4279 - PSP FOR FRONT GEAR TRAIN WEAR ON CERTAIN 3508 ENGINES (50 HZ PRI ME POWER GENERATOR SET) - MAILED US AND CANADA, CACO, COFA, CFEL, COSA
New Oil Filler Cap Needs To Be Installed On Certain 3606, 3608, 3612, And 3616 Engines New Oil Filler Cap Needs To Be Installed On Certain 3606, 3608, 3612, And 3616 Engines
PRIORITY - NEW SPRINGS NEED TO BE INSTALLED IN THE UNIT INJECTORS ON CERTAIN 3606, 3608, 3612 AND 3616 ENGINES - PI3 396 - MAILED US, CANADA, CACO, COFA, LIMITED BRAZIL, CFEL, COSA PRIORITY - NEW SPRINGS NEED TO BE INSTALLED IN THE UNIT INJECTORS ON CERTAIN 3606, 3608, 3612 AND 3616 ENGINES - PI3 396 - MAILED US, CANADA, CACO, COFA, LIMITED BRAZIL, CFEL, COSA
PARTS STOCK ACTION ONLY - CERTAIN 3T4418, 6T4949, 6T7663, 7T0988, AND 9W3187 SWITCH ASSEMBLIES - PRESSURE NEED TO BE REM OVED FROM PARTS STOCK - PI7209 - MAILED US AND CANADA, CACO COFA, BRAZIL, CFEL, COSA PARTS STOCK ACTION ONLY - CERTAIN 3T4418, 6T4949, 6T7663, 7T0988, AND 9W3187 SWITCH ASSEMBLIES - PRESSURE NEED TO BE REM OVED FROM PARTS STOCK - PI7209 - MAILED US AND CANADA, CACO COFA, BRAZIL, CFEL, COSA
PRIORITY - CONNECTING ROD BEARINGS NEED TO BE REPLACED IN CERTAIN 3306, 3608, 3612, AND 3616 ENGINES - PI3377 - MAILED US AND CANADA, COFA, LIMITED CACO, LIMITED CFEL, LIMITED COSA PRIORITY - CONNECTING ROD BEARINGS NEED TO BE REPLACED IN CERTAIN 3306, 3608, 3612, AND 3616 ENGINES - PI3377 - MAILED US AND CANADA, COFA, LIMITED CACO, LIMITED CFEL, LIMITED COSA
SERVICE LETTER SUPPLEMENT - THE ABOVE MAIL CODES, U-87 AND A- 64, WERE NOT PREVIOUSLY USED IN 1989 SERVICE LETTER SUPPLEMENT - THE ABOVE MAIL CODES, U-87 AND A- 64, WERE NOT PREVIOUSLY USED IN 1989
PSP FOR ROCKER ARM BUTTON FAILURES ON CERTAIN 3306, 3608, 3612, AND 3616 ENGINES - PS0374 - MAILED US AND CANADA, CFEL, LIM ITED CACO, LIMITED COFA, LIMITED BRAZIL, LIMITED COSA PSP FOR ROCKER ARM BUTTON FAILURES ON CERTAIN 3306, 3608, 3612, AND 3616 ENGINES - PS0374 - MAILED US AND CANADA, CFEL, LIM ITED CACO, LIMITED COFA, LIMITED BRAZIL, LIMITED COSA
SERVICE LETTER SUPPLEMENT FOR OCTOBER 5, 1988 - PS4260 - PSP FOR WIRE ABRASION AND/OR WATER IN THE AIR RATIO LINES GROUP BOO ST LINE ON CERTAIN 3406B ENGINES EQUIPPED WITH PROGRAMMABLE ELECTRONIC ENGINE CONTROL (PEEC) - MAILED US AND CANADA, TRUCK TE SERVICE LETTER SUPPLEMENT FOR OCTOBER 5, 1988 - PS4260 - PSP FOR WIRE ABRASION AND/OR WATER IN THE AIR RATIO LINES GROUP BOO ST LINE ON CERTAIN 3406B ENGINES EQUIPPED WITH PROGRAMMABLE ELECTRONIC ENGINE CONTROL (PEEC) - MAILED US AND CANADA, TRUCK TE
SERVICE LETTER SUPPLEMENT FOR APRIL 8, 1989 SL - PI3396 - NEW SPRINGS NEED TO BE INSTALLED IN THE UNIT INJECTORS ON CERTAIN 360 6, 3608, 3612, 3616 ENGINES - MAILED US AND CANADA, COFA, LIMITED BRAZIL, LIMITED CFEL, LIMITED COSA SERVICE LETTER SUPPLEMENT FOR APRIL 8, 1989 SL - PI3396 - NEW SPRINGS NEED TO BE INSTALLED IN THE UNIT INJECTORS ON CERTAIN 360 6, 3608, 3612, 3616 ENGINES - MAILED US AND CANADA, COFA, LIMITED BRAZIL, LIMITED CFEL, LIMITED COSA
SERVICE LETTER EXTENSION - MARCH 28, 1988 - PS4227 - PSP FOR FLUCTUATION OF LOW IDLE RPM ON CERTAIN 3406B TRUCK ENGINES - MAI LED US AND CANADA, COFA, TRUCK TEPS SERVICE LETTER EXTENSION - MARCH 28, 1988 - PS4227 - PSP FOR FLUCTUATION OF LOW IDLE RPM ON CERTAIN 3406B TRUCK ENGINES - MAI LED US AND CANADA, COFA, TRUCK TEPS
NEW ADAPTER NEEDS TO BE INSTALLED IN THE 9Y4888 EMERGENCY OIL CONNECTION GROUP ON CERTAIN 3508, 3512, AND 3516 MARINE AND GEN ERATOR SET ENGINES - PI3405 - MAILED US, CANADA, CACO, CFEL COSA NEW ADAPTER NEEDS TO BE INSTALLED IN THE 9Y4888 EMERGENCY OIL CONNECTION GROUP ON CERTAIN 3508, 3512, AND 3516 MARINE AND GEN ERATOR SET ENGINES - PI3405 - MAILED US, CANADA, CACO, CFEL COSA