Improved Seal Used In Raw Water Pump On Marine Engines
Usage:
D343 (33B) and D353 (47B) Marine Engines Equipped With 2N4746 Auxiliary Water Pump Group and 2N2407 Raw Water Pump Group Respectively
Description of Change: An improved seal with a larger diameter spring is now used in the 2N4746 Auxiliary Water Pump Group for D343 Marine Engines and the 2N2407 Raw Water Pump Group for the D353 Engines. This new seal will give longer service life.
Adaptable As: The new 5N6649 Seal is a direct replacement for the former 7L5663 Seal which is canceled.
Caterpillar Information System:
1979/10/24 New Camshaft Housing Gasket Has Increased Resistance To High Temperature
1979/10/24 Cold Temperature Starting Procedures For Air Compressor And Drill Engines
1979/10/24 New Hydromechanical Shut-Off Is Available
1979/10/03 New Aftercooler Core Has Stronger Construction And Corrosion Resistance
1979/10/03 Recommendation For Use Of A FLEX-HONE On 1100, 3100 and 3200 Series Engines
1979/10/03 Tips For SIRS (Service Information Retrieval System) Users
1979/10/03 List Of Service Publications
1979/10/03 Different Mounting Hole Locations In Ring Gear Plate Assembly And Rotor Assembly For BrakeSaver
1979/10/03 Steel Plates Are Now Used To Hold The Element In Position In The Panel-Type Air Cleaner Housing Assembly
1979/10/03 Quick Disconnect Coupling On Optional Modification Of 5P4150 Nozzle Tester Permits Faster Exchange Of Adapters
1979/09/19 6V2055 High Vacuum Grease Gives Better Oil Seal
1979/09/19 Improved Sea Water Pump Now Used
1979/10/24 Engine Oil Viscosity Changed To SAE 10W/30 For Shipment From All U.S. FActories
1979/10/24 New Coolant Temperature Regulator Housing And Vent Line Valve Give Better Control Of Engine Cooling; Conversion Kits Available.
1979/10/24 7N9843 Fuel Injection Valve Nozzle Assembly Now Used In Truck Engines
1979/10/31 Improved Seal Now Used In Seawater Pump
1979/10/31 Use The 6V2034 Micrometer Adapter To Measure Lip Thickness Of Engine Valves
1979/10/31 Support Plates Must Be Used To Install Earlier Marine Transmissions
1979/10/31 Different Thrust Bearing And Thrust Rings Now Used In Turbochargers
1979/10/31 New-3208 Engine Maintenance Tips Wall Chart
1979/10/31 Wider Connecting Rods Have More Bearing Area
1979/10/31 The FT1486 Chain Assembly Can Be Used For Emergency Repair Of Front Power Takeoff Clutches
1979/10/31 List Of Service Publications
1979/10/31 New Connecting Rod Is Tapered In Piston Pin Area