1987/09/28 Caterpillar


Engine Oil Coolers Have Rubber End Sheets In Place Of Brazed Sheets {1300,1378}

Usage:


3500 Industrial, Marine, Generator Set (Except Standby) Engines

SUPPLEMENT: 08/21/89

SERVICE MAGAZINE; SEPTEMBER 28, 1987; PAGE 13; "Engine Oil Coolers Have Rubber End Sheets In Place Of Brazed Sheets" on 3500 Industrial, Marine, Generator Set (except Standby) Engines. Disregard this article and make reference to the article with the title "New Engine Oil Cooler Core Groups With Rubber End Sheets Used" in this issue.

--------------- END SUPPLEMENT ---------------

Description of Change: New engine oil coolers with rubber end sheets in place of brazed end sheets are used on the above engines. The rubber end sheets allow the core to absorb vibrations and give longer life.

Adaptable To: The new core can be installed on earlier engines if the associated new parts in the oil cooler lines are also installed. See the applicable charts, as determined by the engine arrangement number. The former core assemblies and associated parts are still serviced.

Caterpillar Information System:

1987/09/28 New Special Instruction, "Using the PEEC Screen Map(s)" {0374}
1987/09/28 New Steel Fuel Injection Pump Lifters Should Not Be Mixed With Aluminum Lifters {1281,1250}
1987/09/28 Either Type Sleeve Satisfactory For Governor Servo Piston {1264}
1987/09/28 Double Lip Seal With Hydrodynamic Grooves Used At Rear Of Crankshaft {1161,1200}
1987/09/28 Thinner Piston Retaining Nuts Are Used In Hydraulic Cylinders {7562}
1987/09/21 New Timing Gear Housing Used In Front Housing Groups To Help Prevent Oil Leaks{1162,1166}
1987/09/21 Single Lip Hydrodynamic Seal Used In Water Pumps{1300,1361}
1987/09/21 New Hydraulic Steering Mounting Group Available{4306}
1987/09/21 New Alternator Used In Charging Alternator Groups{1405}
1987/09/21 New Adapters Available For Metric Test Ports So That SAE Connectors Can Be Used{0784}
1987/09/14 Oil Flow Increased For Inlet Valve Lubricator {1105}
1987/09/14 New Digital Pyrometer Which Incorporates High Exhaust Temperature Alarm Now Used {1606,7412,7450,7466}
1987/10/05 Individual Parts Of Caterpillar Hydraulic Gear Pumps Are Available{5073}
1987/10/05 New Product Support Information Available For Electric Power Generation (EPG){4450,0374}
1987/10/05 Replacement Thermostats Available For Jacket Water Heaters{1383}
1987/10/12 Piston And Camshaft Changes{1214,1210,1200}
1987/10/19 Check Plastic Water Sleeve If Engine Experiences Severe Overheating{1380,1350}
1987/10/26 Microfiche For Replacement Engine Bills Of Material {0374,1000}
1987/11/02 Improved Duo-Cone Seal Installers Available{0600,7561}
1987/11/02 Four New Sizes Of Three-Jaw Pullers Available{0700,4050}
1987/11/02 Results Of High Speed And/Or Overspeeding Of 3406B Truck Engines{1105,1209,1210,1214}
1987/11/02 4N3311 Radiator Cap Has Improved Sealing{1382}
1987/11/09 New 1U6313 Adapter Available For Use With Nitrogen Tire Inflation Group{0600,0730}
1987/11/09 Parts Information For VR3 Automatic Voltage Regulators{4467}
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