1985/03/01 Caterpillar


Internal Seals In 7000 Series Fuel Injection Nozzles Cannot Be Replaced

Usage:


3406B Truck 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:

1985/03/01 A New Book "Analyzing Diesel And Natural Gas Engine Valve Failures " Is Available
1985/03/01 3208 Truck Engine Service Manual Available In Spanish
1985/03/01 New Service Manual Binders Are Made From Thicker Material
1985/03/01 New Crankshaft Seal Groups Used
1985/03/01 Dowtherm 209 Full-Fill Coolant
1985/03/01 New Service Tools Available
1985/03/01 Cross Link Between Fuel Racks Has Smoother Surface
1985/03/01 Do Not Weld On Painted Surfaces
1985/03/01 3406B Truck Engines Have Been Improved For 1985
1985/02/01 Over Fueling Spring No Longer Used In Governor
1985/02/01 Correct Service Information For Air Fuel Ratio Controls Is Available In The Latest Service Manual
1985/02/01 Use Care When Removing Oil Pan And 9N3167 Plate
1985/03/01 List of Service Publications
1985/03/01 Installation Of Heli-Coils In Holes With Damaged Threads
1985/03/01 What Cost Failure
1985/04/01 Changes To Turbocharged Truck Engines For 1985
1985/04/01 Changes To Naturally Aspirated Truck Engines For 1985
1985/04/01 Use Of Fuel Injection Timing Information In The "Fuel Setting And Related Information" Microfiche
1985/04/01 Hardened Spacers Help Keep Bolts Tight
1985/04/01 New Compression Washers (Gas Seals) Used On 7000 Series Fuel Injection Nozzles
1985/04/01 Changes To Exhaust Manifolds Help Prevent Broken Studs
1985/04/01 Check Cylinder Block And Head Flatness Whenever There Is A Head Gasket Failure
1985/05/01 Check For Interference Between Water Temperature Regulator And Cylinder Head Bore
1985/05/01 Be Sure Correct Piston Rings Are Used On 3400 Series Engines
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