New Fuel Injection Nozzle Assembly Used{1254}
Usage:
3304 and 3306 Industrial, Marine and Vehicular Engines
Description of Change: A new fuel injection nozzle assembly is used on 3304 and 3306 Engines except 3306 Truck Engines. The new nozzle assembly uses an improved spring retainer which has a smoother wear surface. The new nozzle assembly will give a longer service life.
Adaptable To: All earlier 4.75" bore engines. The new fuel nozzle assemblies shown are not available for parts service separately. They are a part of the fuel valve service groups which are available for these engines.
Caterpillar Information System:
1980/01/21 New Rock Ejectors Have Reinforcement Plates On Both Sides For Increased Strength; Ejector Mounting Bracket Changed On 777 Trucks{7157}
1980/01/21 Spacers Must Be Removed Before Finish Welds Are Made During Assembly Of Truck Body; Revision To Special Instruction{7258,7500}
1980/01/21 New Piston Groups Have The Piston Pin Bore Off-Center, Away From The Thrust Side Of The Piston{1214}
1980/01/14 Use The FT1481 Bracket To Hold The 1P2371 Micrometer In Position During Bore Size Measurement{0655,0663}
1980/01/07 Improved Ring Seal Used At Rear Of Crankshaft {1161}
1980/01/07 Important: XT3 And XT5 Hose Assemblies Must Be Fabricated And Installed Correctly For Maximum Service Life {5057}
1980/01/07 Clearance Increased Between Sleeve Bearing And Transmission Center Shaft {3176}
1980/01/07 Fuel Heaters Are Now Available For Field Installation {1296}
1980/01/07 Do Not Use 5B1161 Wire To Check Main Bearing And Connecting Rod Bearing Clearances; Use Plastigage {0653,1203,1219,1230}
1980/01/07 Three New Pressure Gauges Are Now Available {0651}
1990/01/08 Test Box For Electrical Displacement Control{5070,5700,1400}
1990/01/08 Stronger Tube Used Between Rear Suspension Cylinders And Accumulators{7218,5077,7213}
1980/01/28 New Cross-Over Steering Relief Valve Used{4322}
1980/01/28 Radiator Fan Blades Can Be Damaged If They Come In Contact With Large Quantities Of Water{1356}
1980/01/28 New 6V199 Socket For Use On Fasteners In Areas With Limited Clearance{0612}
1980/01/28 Reinforcement Plates Can Be Added To Make The Fuel Tank Stronger{1273}
1980/01/28 Different Seal For Control Shaft In Power Control Box{5201}
1980/01/28 Correct Planet Gear Bearings Must Be Used For Parts Service Of Transmission Gear Trains{3176}
1980/01/28 Installation Procedures For 5N5880 Remote Shut-Off Group And 5N6336 Oil Pressure Indicator Gauge Group{7418,7403,7455}
1980/01/28 Oil Drain Hole Added To Spacer Plate Cylinder Block To Permit Use Of Scroll Fuel System{1201,1221}
1980/02/04 New Cylinder Liner Has Improved Design To Keep Liner Temperatures Lower{1216}
1980/02/04 Change To Gear On Accessory Drive Shaft Assembly Gives Longer Service Life{1207,1206}
1980/02/04 Real Value Available Through Caterpillar Remanufacturing Programs{0374}
1980/02/04 New Bonnet Used On Transmission Oil Cooler; Bracket Holds Bonnet To Oil Pan{1375,1302}