New Seal Used Under Retaining Bushing For Fuel Injection Pump Bonnet
Usage:
All 3304 and 3306 Engines With Sleeve Metering Fuel Systems
Description of Change: A different seal is now used under the retaining bushing for the fuel injection pump bonnet on the above models. The new seal has a round cross section in comparison with the square cross section of the former seal. The round cross section of the new seal will make it easier to install without damage. Formerly, some seals were damaged during installation.
Adaptable As: The new 6F6672 Seal is a direct replacement for the former 4N223 Seal in this application.
Caterpillar Information System:
1979/08/22 When Timing The Engine, Be Sure The Timing Bolt Is Installed In The Correct Hole In The Flywheel
1979/08/22 Turbocharger Bearings Are Now Available In More Different Sizes For Better Turbocharger Reconditioning
1979/08/22 New Rear Cover And Gasket Used On Water Pump
1979/08/22 New Governor Housing Assembly Used In Governor And Fuel Injection Pump Group
1979/08/22 Why Engines Are Damaged By Fuel Sulfur
1979/08/08 New Water Pump Assemblies Use An Improved Seal Assembly
1979/08/08 Changes Made To 8S2243 And 8S4613 Wrenches Used On Fuel Injection Pumps
1979/08/08 Installation Of Stronger Transmission Mounting Parts
1979/08/08 6V2010 Polishing Stone Available
1979/08/08 Use Correct Installation Procedure For Clutch Pilot Bearing In Rear Power Takeoff
1979/08/08 New Shaft Assembly Used In Governor Group And New Coupling Assembly Used In Drive Group For Governor And Fuel Injection Pump
1979/08/08 List Of Service Publications
1979/08/22 Exhaust Manifold And Air Lines Groups Changed To Prevent Exhaust Leakage
1979/08/22 Only One Dowel Pin Is Now Used To Hold The Thrust Bearing In The Correct Position
1979/08/22 New Design Thrust Plate Used In Crankshaft Group
1979/08/22 New Cylinder Head Gasket Has Smaller Diameter Cylinder Openings To Improve Location Of Combustion Seal Ring
1979/08/22 Sealant Now Used On Pipe Plugs At The Bottom Of The Oil Filter Base Assembly To Prevent Oil Leakage
1979/08/22 List Of Service Publications
1979/08/22 New Rocker Arms And Rocker Arm Shaft Have Improved Lubrication
1979/09/19 Engines Can Use Crankshafts With Either Six Or Eight Counterweights
1979/09/19 6V190 Clamp Is Available For Use On Sleeve Metering Fuel Systems
1979/09/19 Different Grease Fitting Now Used In Fan Drive Group
1979/09/19 Keystone Piston Groups Can Be Installed In Earlier Engines In Steiger Tractors
1979/09/19 Tee Handle Hexagonal Wrench In Rack Adjusting Tool Is Now Available For Parts Replacement