PARTS STOCK ACTION ONLY - THE DEFLECTOR SHIELDS ON CERTAIN UNIT INJECTORS IN PARTS STOCK MAY FAIL - PI7278 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA, MARINE TEPS - REVISED 04/92
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PARTS STOCK ACTION ONLY - THE DEFLECTOR SHIELDS ON CERTAIN UNIT INJECTORS IN PARTS STOCK MAY FAIL - PI7278 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA, MARINE TEPS - REVISED 04/92
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.
March 6, 1992 (Revised April 1992) U-41 A-29 AU-24 B-19 E-23 O-37 TM-3 PARTS STOCK THE DEFLECTOR SHIELDS ON CERTAIN UNIT ACTION ONLY INJECTORS IN PARTS STOCK MAY FAIL 1290 PI7278 NOTE: This Revised Service Letter replaces the March 6, 1992 Service Letter. Changes have been made to the injector group part numbers listed under Action Required.
Termination Date
June 30, 1992
Problem
The deflector shields on certain unit injectors in parts stock may fail. All unit injectors in parts stock need to be inspected for the date code "BO".
Action Required
Remove all of the following injector groups from parts stock if they have a date code of "BO" stamped on the tappet face between the part number and serial number. 7C4173 Injector Group 7C4174 Injector Group 7C4175 Injector Group 7C9576 Injector Group 7C9577 Injector Group 7C9578 Injector Group 7C9579 Injector Group 7C9580 Injector Group 7C9581 Injector Group 7E3381 Injector Group 7E3382 Injector Group 7E3383 Injector Group 7E3384 Injector Group
Service Claim Allowances
Submit one claim for all unit injector groups removed from parts stock.
Parts Disposition
***** U.S. and Canadian Dealers ***** Return all unit injector groups that are removed from parts stock and a copy of the claim to: Caterpillar Inc 4H Park Road Pontiac, IL 61764 Attn: Jack Hoobler ***** CofA ***** Return all unit injector groups that are removed from parts stock and a copy of the claim to: Caterpillar of Australia Warranty Claims Area 1 Sharps Rd. Tullamarine Vic 3043 ***** COSA Dealers ***** Contact: Claim Section Supervisor Grimbergen Parts Depot ***** All Other Dealers ***** Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
Caterpillar Information System:
A Set Screw Needs To Be Installed To Plug A Hole In The Intake Manifold Of Certain 3208 Engines A Set Screw Needs To Be Installed To Plug A Hole In The Intake Manifold Of Certain 3208 Engines
Product Support Program For Installing Turbocharger Improvements On Certain 3508, 3512, And 3516 Generator Set Engines Rated For 50HZ (1500 RPM) Product Support Program For Installing Turbocharger Improvements On Certain 3508, 3512, And 3516 Generator Set Engines Rated For 50HZ (1500 RPM)
The Bolts In The Timing Advance Mechanism May Loosen Or Break On Certain 3406B PEEC Truck Engines The Bolts In The Timing Advance Mechanism May Loosen Or Break On Certain 3406B PEEC Truck Engines
Product Support Program For Installing Wiring Imporvements On Certain 3116 Marine Engines Product Support Program For Installing Wiring Imporvements On Certain 3116 Marine Engines
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
Inlet Air Temperature Sensor Needs To Be Installed On Certain 1991 Model Year 3176 Truck Engines (7LG) Inlet Air Temperature Sensor Needs To Be Installed On Certain 1991 Model Year 3176 Truck Engines (7LG)
New Aftercooler Cover Needs To Be Installed On Certain 3412 SI Engines New Aftercooler Cover Needs To Be Installed On Certain 3412 SI Engines
Product Support Program For Fuel Injectors On Certain Challenger 75 Tractors And 3176 Engine Product Support Program For Fuel Injectors On Certain Challenger 75 Tractors And 3176 Engine
Product Support Program For Timing Gear Housing Gasket Leaks On Certain Challenger 75 Tractors And 3176 Truck Engines Product Support Program For Timing Gear Housing Gasket Leaks On Certain Challenger 75 Tractors And 3176 Truck Engines
Product Support Program For Replacing Cylinder Head Gasket On Certain Challenger 75 Tractors And 3176 Truck Engines Product Support Program For Replacing Cylinder Head Gasket On Certain Challenger 75 Tractors And 3176 Truck Engines
Product Support Program For Replacing A Failed The Speed Timing Sensor On Certain Challenger 75 Tractors And 3176 Truck Engines Product Support Program For Replacing A Failed The Speed Timing Sensor On Certain Challenger 75 Tractors And 3176 Truck Engines
Product Support Program For Inspection And Update To The Fuel Transfer Pump, Boost Line, And Throttle Position Sensor On Certain 3176 Truck Engines Product Support Program For Inspection And Update To The Fuel Transfer Pump, Boost Line, And Throttle Position Sensor On Certain 3176 Truck Engines
PARTS STOCK ACTION ONLY - NON-CURRENT 3406B PEEC ENGINE COMPONENTS NEED TO BE REMOVED FROM PARTS STOCK - PI7280 - MAI LED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA, TRUCK TEPS PARTS STOCK ACTION ONLY - NON-CURRENT 3406B PEEC ENGINE COMPONENTS NEED TO BE REMOVED FROM PARTS STOCK - PI7280 - MAI LED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA, TRUCK TEPS
Product Support Program For Product Support Program For Repairing Fuel Injectors On Certain 3176 Truck Engines Product Support Program For Product Support Program For Repairing Fuel Injectors On Certain 3176 Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
PARTS STOCK ACTION ONLY - NEW AND REMANUFACTURED CYLINDER HEADS IN PARTS STOCK NEED TO BE REWORKED TO INCLUDE ADDITIONAL COO LANT FLOW PASSAGES - PI7281 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA, TRUCK TEPS PARTS STOCK ACTION ONLY - NEW AND REMANUFACTURED CYLINDER HEADS IN PARTS STOCK NEED TO BE REWORKED TO INCLUDE ADDITIONAL COO LANT FLOW PASSAGES - PI7281 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA, TRUCK TEPS
Product Support Program For Replacing Failed Cylinder Head Gaskets On Certain 3406B Truck Engines Product Support Program For Replacing Failed Cylinder Head Gaskets On Certain 3406B Truck Engines
Product Support Program For Replacing Sea Water Pump Shaft On Certain 3600 Family Of Engines Product Support Program For Replacing Sea Water Pump Shaft On Certain 3600 Family Of Engines
The Control Group (Personality Module) Needs To Be Replaced On Certain 460 HP 3406B PEEC Engines The Control Group (Personality Module) Needs To Be Replaced On Certain 460 HP 3406B PEEC Engines
PRIORITY - NEW CONTROL GROUPS (PERSONALITY MODULES) NEED TO BE INSTALLED ON CERTAIN 3406B AND 3406C ENGINES - PI3584 - MAILED US AND CANADA, TRUCK TEPS - REVISED 05/92 PRIORITY - NEW CONTROL GROUPS (PERSONALITY MODULES) NEED TO BE INSTALLED ON CERTAIN 3406B AND 3406C ENGINES - PI3584 - MAILED US AND CANADA, TRUCK TEPS - REVISED 05/92
Product Support Program For Replacing The Electronic Control Group (Temperature/Pressure) On Certain 3208, 3304, 3306, 3406, 3408, 3412, 3508, 3512, 3516, 3606 SI, And 3612 SI Generator Set Engines Product Support Program For Replacing The Electronic Control Group (Temperature/Pressure) On Certain 3208, 3304, 3306, 3406, 3408, 3412, 3508, 3512, 3516, 3606 SI, And 3612 SI Generator Set Engines
Product Support Program For Replacing The Fuel Lines And/Or Brackets On Certain 3412 Generator Set, Industrial, And Marine Engines Product Support Program For Replacing The Fuel Lines And/Or Brackets On Certain 3412 Generator Set, Industrial, And Marine Engines
Product Support Program For Tightening The Cylinder Head Bolts On Certain 3306 Truck Engines Product Support Program For Tightening The Cylinder Head Bolts On Certain 3306 Truck Engines
Product Support Program For Installing An Intake Manifold Heater Or An Exhaust Restrictor On Certain 3406B Engines Product Support Program For Installing An Intake Manifold Heater Or An Exhaust Restrictor On Certain 3406B Engines