New Design Fuel Injection Valve Body Used In Fuel Injection Lines Group{1252,1254}
Usage:
All 3406 Engines with Precombustion Chambers
Description of Change: A new design fuel injection valve body is used in the fuel injection lines group on 3406 Engines equipped with precombustion chambers. The new valve body has a narrower flange that will permit .05" (1.27 mm) more thread engagement of the retaining nut that holds it in the precombustion chamber. Formerly, it was possible for the retaining nut to loosen and cause damage to the fuel nozzle.
Adaptable As: The new 9N5529 Fuel Injection Valve Body is a direct replacement for the former 4N4877 Fuel Injection Valve Body in these engines.
New 9N5529 Fuel Injection Valve Body with narrower flange.
Former 4N4877 Fuel Injection Valve Body with wider flange.
Caterpillar Information System:
1979/03/12 SAE 15W/40 Multiviscosity Oil Can Be Used In Engines, Transmissions And Final Drives{1318,3067,3179,4070}
1979/03/12 New Manifold Assembly Gives More Room For The Lifting Eye{1059}
1979/03/12 Retroreflective Tape Makes Phototach Kit Easier To Read{0651,0653}
1979/03/12 New Larger Capacity Water Separator Is Available{1250}
1979/03/05 Engine Mounted Exhaust Brake Systems Can Be Used To Extend Service Brake Life{1050}
1979/03/05 New Oil Pan Assembly Uses An O-Ring And Plug For A Better Seal{1302}
1979/03/05 Improvements Made To Fuel Injection Pump And Governor Group{1253,1281,1286}
1979/03/05 New Fuel Injection Nozzles Are Used In 3208 Engines{1254}
1979/03/05 New Piston And Connecting Rod Are Tapered In Area Of Piston Pin{1213,1214,1218,1219}
1979/03/05 New Engine Cylinder Block Used{1201}
1979/03/05 Main Bearings Now Have Larger Diameter Oil Hole For Better Lubrication Of Main And Rod Bearings{1203,1219,1300}
1979/02/19 Engine Valve Springs Are Now Made Of Carbon Steel Alloy{1101,1108}
1979/03/12 Check Valve Must Be Adjusted Correctly To Let Fuel Flow Through The Return Line And Back To The Tank{1275,1253,1274}
1979/03/12 Larger Diameter Washer Is Used To Hold Air Transfer Pipe In Aftercooler Flange{1063,1058}
1979/03/12 Magneto Improvements{1413}
1979/03/12 New Fuel Injection Lines Groups Use A Different Fuel Injection Nozzle Assembly{1254}
1979/03/19 Maintenance Procedures For Extended FPTO Life On 3408 And 3412 Marine Engines{3055}
1979/03/19 New Oil Filter And Filter Base Assemblies{1306,1378,1318}
1979/03/19 Ether Starting Aid System Improves Cold Weather Starts{1456}
1979/03/19 Revision To Guideline For Reusable Parts Is Available{1105,1108,0374}
1979/03/19 8L4525 Flange Is Available Again For Parts Service Of 3192 Marine Transmissions{3314}
1979/03/19 New Woodward Governor Control Used On Diesel Engines; Former Control Now Used On Gas Engines Only{1265}
1979/03/26 Service Parts Available For the 5P8585 Leak Detector{0651}
1979/03/26 Window Cover Kit Now Available For ENM Service Meters{7478}