1986/04/21 Caterpillar

Silicone Rubber Hoses Available For Engine Oil Cooler Water Lines{1378,1380}

Usage:

225 Excavators;
227 Loggers;
613, 613B, 613C Tractors;
3208 Truck, Industrial, And Generator Set Engines

Description of Change: Longer life hoses are available for parts service for the inlet and outlet water lines for engine oil coolers on the above models. These hoses are made of silicone rubber which is more resistant to high temperatures.

Adaptable As: The new oil cooler hoses for parts service can be used as direct replacements for the former oil cooler hoses. The new hoses have the part numbers on them, and are identified by either color, blue or green.

The new hoses also require two, different new clamps. The new clamps have a smaller effective tightening range needed with silicone hoses. See illustration for locations of new clamps.

Location of new clamps needed on new hoses.

Caterpillar Information System:

1986/04/21 New Alternators Are Self-Energizing And Have Built-In Regulators{1405}

1986/04/07 Bleed Screw Washer (Seal) Must Be Replaced If Bleed Screw Removed From Fuel Nozzle{1254}

1986/04/07 New Index Lists Engine Special Instructions By SMCS Code{1000,0374}

1986/04/07 Fuel Injection Timing Changed To 15° With New 3.5° Timing Advance{1206,1272,1292}

1986/04/07 New Bracket Used In Air Compressor Lines Group{1803,1804,1800}

1986/04/07 Troubleshooting Solid State Suppressors{4467,4466,4450}

1986/04/07 Adjust Bridge Whenever Valve Clearance Adjustments Are Made{1121,1105,1100}

1986/04/07 Requirements For Shipping Wet Batteries In The U.S.{1401,7500}

1986/03/24 Incorrect Connection Of Battery Charger Can Open Circuit Breaker And Damage Woodward 2301 Governor Control{1400,1401,4450}

1986/03/24 Improved Cylinder Head Gasket{1101,1201}

1986/03/24 Screens Added To Inlet Air Manifolds{1058}

1986/03/24 New Air-To-Air Aftercooler Arrangements Used On Truck Engines{1063}

1986/04/21 New Tool Available To Measure Propeller Pitch{0600,3305}

1986/04/21 Three Element Speed Switch Replaces Dual Element Speed Switch{7418,7411,7410,7421}

1986/04/21 Correct Position Of The Bleed Hole In The Fuel Line Adapter{1252}

1986/04/21 Fittings Added To Jacket Water Heater Hose To Prevent Interference With Folded Core Radiator{1353,1383}

1986/04/21 New Wire Assemblies And Spark Plug Insulators Improve Service Life Of Ignition System{1558,1555,1552,1408}

1986/04/21 New Conversion Groups Available To Convert From Hydramechanical Governors To Woodward PSG Governors{1289}

1986/04/21 Use Care When Removing Oil Pan And 9N3167 Plate{1302}

1986/05/05 New Publication Lists Service Manual Modules for Caterpillar Earthmoving And Engine Service Manuals{0374,0375}

1986/05/05 Be Sure The Polarity Of The Electrical Connector On EG3P Woodward Actuator Assembly Is Correct{1265,1250}

1986/05/05 Portable Hydraulic Pump Group Available{0600}

1986/05/05 FT Tooling Prints Available For Bushing Installation In Governor Housing{0600,1287}

1986/05/05 Service Reminders For 3400 Family Of Diesel Engines{1204,1214,1331}