Stronger Oil Pan Used
Usage:
3406, 3406B Industrial Marine, Generator Set Engines
Description of Change: A stronger oil pan is now used on the above engines. The bottom of the new pan and the sides are thicker where the transition is made from the shallow portion of the pan to the sump portion.
Adaptable To: The new 7C1938 Pan is a direct replacement for the former 4N919 Pan in all applications of the former pan. The former pan is canceled. The new pan is first used on engines with the following product numbers:
Caterpillar Information System:
1986/03/01 Improved Cylinder Head Gasket
1986/03/01 New Fuel Injector Available To Reduce Smoke At Low RPM and Loads
1986/03/01 Screens Added To Inlet Air Manifolds
1986/03/01 Engine Oil Filter Element Has Metal Wrapper Instead Of Paper Wrapper
1986/03/01 High Silicates In Antifreeze
1986/03/01 Improved Sleeve Bearing Used In Drive End Of Fuel Injection Pump Housing
1986/03/01 New 8T2998 Lubricant Available
1986/03/01 Nylon Seals Used On Lockwire To Seal Critical Areas; Parts Service Seals Available For NACD Dealers
1986/02/01 Special Instructions Packaged With Turbocharger Cartridge Repair Kits May Be Incorrect
1986/02/01 New Cylinder Liner Available
1986/02/01 Oil Total Base Number (TBN) Test Kit Available
1986/02/01 5N563 Self-Excited SR4 Generators Use Different Type Regulator And A Power Autotransformer
1986/03/01 New Clip Added To Water Lines Group
1986/04/01 Troubleshooting Solid State Suppressors
1986/04/01 Incorrect Connection Of Battery Charger Can Open Circuit Breaker And Damage Woodward 2301 Governor Control
1986/04/01 Fuel Injection Timing Changed To 15° With New 3.5° Timing Advance
1986/04/01 Adjust Bridge Whenever Valve Clearance Adjustments Are Made
1986/04/01 Bleed Screw Washer (Seal) Must Be Replaced If Bleed Screw Removed From Fuel Nozzle
1986/04/01 New Bracket Used In Air Compressor Lines Group
1986/04/01 New Index Lists Engine Special Instructions By SMCS Code
1986/04/01 Remanufactured Short Block Available For 3204 Industrial Engines
1986/05/01 New Alternators Are Self-Energizing And Have Built-In Regulators
1986/05/01 Be Sure The Polarity Of The Electrical Connector On EG3P Woodward Actuator Assembly Is Correct
1986/05/01 Cylinder Liner Seat Insert Available