1980/01/28 Caterpillar


New Attachment Air Compressor Group and Lines Groups Have Improved Design{1065}

Usage:


3408 Truck Engines

Description of Change: A new attachment air compressor group is available for 3408 Truck Engines. The new compressor is a Bendix Model Tu-Flo 700, which is a replacement for the former Bendix Model Tu-Flo 600. The new compressor adapts directly to the engine, so the adapter and gasket used with the former compressor are not needed. This design prevents the possible leakage of oil at the gasket, which was a problem on some engines. New lines groups are used to connect the new compressor to the engine.

Adaptable To: All 3408 Truck Engines 28V1-up.

Caterpillar Information System:

1980/01/28 Installation Procedures For 5N5880 Remote Shut-Off Group And 5N6336 Oil Pressure Indicator Gauge Group{7418,7403,7455}
1980/01/28 New 6V199 Socket For Use On Fasteners In Areas With Limited Clearance{0612}
1980/01/21 New Fuel Injection Nozzle Assembly Used{1254}
1980/01/21 Extended Shafts Now Available For Front Power Takeoff Units{3055}
1980/01/21 Cooling System Improvements Prevent Expansion Tank Leakage{1354,1380,1153}
1980/01/21 New Piston Groups Have The Piston Pin Bore Off-Center, Away From The Thrust Side Of The Piston{1214}
1980/01/21 A Spring With A Lower Rate Is Now Used In The Fuel Filter Group To Give Less Fuel Pressure{1261}
1980/01/14 New Raw Water Engine Oil Cooler Is Used{1378}
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 8N1831 Fuel Nozzle Assembly Now Approved For Use In 1693 Truck Engine; Chart For Applications Of 8N1831 And 7N5005 Fuel Nozzle Assemblies {1254}
1980/01/07 Important: XT3 And XT5 Hose Assemblies Must Be Fabricated And Installed Correctly For Maximum Service Life {5057}
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}
1980/02/11 Warning: Avoid Use Of Fuel Mixtures Of High Volatility. If You Are Exposed To Such Mixtures, Be Aware Of The Hazards Involved And Take Proper Precautions{1280}
1980/02/11 Use The Correct Water Temperature Contactor{1350,1100}
1980/02/25 How To Check Operation Of Hydramechanical Shutoffs On D379B, D398B, D399 Engines{7418}
1980/02/25 Revision Of Special Instruction Form No. SMHS7267, "Use Of 5P8709 Tool Group For Alignment Of Piston Cooling Jets" Has Important Changes{1307}
1980/02/25 Stronger Braces Used Between Air Cleaner And Engine{1051}
1980/02/25 Plunger Movement Must Be Adjusted When New Rack Shut-Off Solenoid Is Installed{1259}
1980/02/25 Drawings Available For Six Tools Used During Repairs Of Damaged Pin Bores In Two-Piece Booms{6501,0665}
1980/02/25 Identification Of Fuel Injection Lines And Nozzle Bodies For Different Combustion Systems{1252,1254}
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