1985/03/18 Caterpillar


Internal Seals In 7000 Series Fuel Injection Nozzles Cannot Be Replaced{1254}

Usage:


3406B Engines

Current parts books and microfiche for 3406B Engines list two internal seals as part of the 7000 Series Fuel Nozzles. As stated in the Service Manuals, the fuel nozzle is not to be disassembled or adjusted. Do not attempt to replace the 1S8947 or 6M5062 Seals.

Caterpillar Information System:

1985/03/18 New Service Tools Available{0600}
1985/03/11 Input Shaft And Flange Available As An Assembly; Makes Alignment Easier{3303}
1985/03/11 Dowtherm 209 Full-Fill Coolant{1350}
1985/03/11 New Cooling System Temperature Regulator Available{1355}
1985/03/11 New Crankshaft Seal Groups Used On More 3400 Series Engines{1160,1161}
1985/03/11 Installation Of Heli-Coils In Holes With Damaged Threads{0600,0670,0671}
1985/03/11 Cross Link Between Fuel Racks Has Smoother Surface{1250,1257}
1985/03/11 New Air Cleaner Element Creates Less Restriction{1054}
1985/03/04 Do Not Weld On Painted Surfaces{0350,0679}
1985/03/04 Exhaust Clamp Nut Now Serviced Separately{1061}
1985/03/04 3208 Truck Engine Service Manual Available In Spanish{0375}
1985/03/04 Discontinued D.C. Generators Replaced By Alternators{1404,1405}
1985/03/18 New Service Manual Binders Are Made From Thicker Material{0375}
1985/03/18 Remanufactured Bare Cylinder Heads (U.S. And Canada){1101,7754}
1985/03/18 Improved Oil Ring For Pistons Eliminates Expander Problems That Lead To Ring Breakage During Installation{1215}
1985/03/25 Changes To Turbocharged Truck Engines For 1985{1000,1050,1052,1100,1200,1250,1252}
1985/03/25 New Main Shaft Bearing Assembly Has Reduced End Play{3306}
1985/04/01 Use Of Fuel Injection Timing Information In The "Fuel Setting And Related Information" Microfiche{0600,0782,1250}
1985/04/01 Improved Vibration Damper Guard Group Has Flexible Mounting{1205,1200}
1985/04/01 New Compression Washers (Gas Seals) Used On 7000 Series Fuel Injection Nozzles{1254,1250}
1985/04/01 Information For Ordering kPa or Dual Scale Gauges{0600}
1985/04/01 Check Cylinder Block And Head Flatness Whenever There Is A Head Gasket Failure{1100,1200}
1985/04/01 New Lubricator Tip Available For Track Seal And Lubrication Testing Group{0600,0645}
1985/04/01 New Turbocharger Oil Supply Tube Assembly Used{1052,1307}
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