New Tachometer Drive Group Adapter Assemblies Have A Larger Input Shaft{7462,7487}
Usage:
3400 Series Industrial, Marine And Generator Set Engines
Description of Change: New tachometer drive group adapter assemblies are available that have a larger input shaft than the former adapter assemblies. The new adapter assemblies have a 7.93 mm (.313") diameter input shaft in comparison to the 6.35 mm (.250") diameter shaft on the former adapter assembly.
Adaptable As: The new adapter assemblies are direct replacements for the former adapter assemblies as shown in the chart.
Caterpillar Information System:
1983/07/04 Different Method Can Be Used To Take Oil Sample{5057,0372}
1983/07/04 Improved Governor Control Shaft And Seal Will Help Prevent Oil Leakage{1265}
1983/07/04 Prevent Damage To Brake Lining Before And During Installation{4254,4001}
1983/06/20 Frequency Meter Failure; Make Sure It is Connected To The Correct Voltage{7471,7002}
1983/06/20 New Double-Wall Fuel Injection Lines Group And Fuel Drain Group Available As Attachments For Protection Against Fuel Leakage{1252,1254,7400}
1983/06/20 Seal Kit Available For Differential Lock Solenoid{3272}
1983/06/20 Differential Bevel Pinion Has Permanently Bonded Plug{3254,3258}
1983/06/20 6V7100 Combustible Gas Leak Detector And 6V7103 Calibration Kit Available{0651}
1983/06/20 New Fuel Priming Pump Used{1258}
1983/06/06 Sealed Bearings Available For Pump Drive Shaft Universal Joint{3251,3253}
1983/06/06 Removal Of TARP (Rust Preventive){0355,0670,1000,7000}
1983/06/06 Remanufactured Alternators And Starting Motors Are Available{1405,1453}
1983/07/04 Damaged Lifter Bores In 3400 Series Engines Can Be Used Again{1201,0374}
1983/07/04 New Camshaft Gear Has More Resistance To Pitting{1210,1212}
1983/07/11 New Oil Pan Group Gives Easier Access To The Oil Drain Adapter{1302}
1983/07/11 New Oil Filter Elements Available For Engine, Transmission And Hydraulic Applications{1318,3067,3179,5068}
1983/07/11 Use A Pipe Plug For Repairs of Small Holes In Castings{1201,1350}
1983/07/11 New Track Motor{3201,4351,5058}
1983/08/08 New 6V7070 And 6V7800 Digital Multimeters Available{0651}
1983/08/08 Hydraulic Boring Machine Available{0664}
1983/08/08 Special Instruction Has Repair Procedure For 6V4060 Engine Set Point Indicator Group{0651}
1983/08/08 New Duo-Cone Seals In Rear Brake Group Have Steel Seal Rings{4208}
1983/08/08 New Procedure And New Tool Can Be Used To Remove Cylinder Sleeves From The Cylinder Block{1222,1223}
1983/08/15 New Service Tools Available{0600}