1980/03/24 Caterpillar


Different Vibration Damper Now Used{1205}

Usage:




3408 and 3412 Industrial and Marine Engines

Description of Change: A different vibration damper is now used on 3408 and 3412 Industrial and Marine Engines. The new damper has a smaller radius between the damper case and the mounting flange. This gives a better fit on the pulley adapter and permits installation as a replacement for either former damper.

Adaptable As: The new 8N5443 Damper Assembly is a direct replacement for the former 7N1810 Damper Assembly, which is canceled. The new 8N5443 Damper Assembly is also used for parts service replacement of the 2P3787 Damper Assembly.

Caterpillar Information System:

1980/03/24 New Control Valve Body{1155,1159}
1980/03/24 New Plugs And Rubber Stoppers For Machines With Sealed And Lubricated Track{4169,4170,4175,0622}
1980/03/24 An Increase In Engine RPM Will Extend Vanes In Hydraulic Oil Pump To Start Pump Output{5055,5068}
1980/03/24 New Fuel Injection Lines And Clamps Prevent Stresses And Contact Which Can Cause Leakage{1252}
1980/03/24 Visual Inspection Of Main And Connecting Rod Bearings{1203,1219,1230}
1980/03/24 Different Water Temperature Regulators Now Used To Prevent Overheating{1355}
1980/03/24 8S2252 Carbon Seal Tool Can Be Adapted For Use On 8N7001 Fuel Nozzle Assembly{0611,1254}
1980/03/24 New Top Piston Ring Has Plasma-Coated Face{1215}
1980/03/24 Crankshaft Rear Seal And Wear Sleeve Are Now Serviced As A Group Instead Of Separate Parts{1161}
1980/03/24 Inspect Regulator Cover Assembly When Overcooling Is A Problem{1350,1380}
1980/03/03 Fuel Heaters Are Now Available For Field Installation{1296}
1980/03/03 Connecting Rod Changes And Replacement Information{1218}
1980/03/31 Use The 6V200 Hydraulic Wrench To Get Correct Torque Applications On Fasteners In Difficult Access Areas{0612,0623}
1980/03/31 6V2023 Flow Check Adapter Group Is Available{0651,0654}
1980/03/31 Replacement Pinion And Output Gear Available For Service Of Torque Multiplier{0614}
1980/03/31 Remanufactured Short Blocks Are Available For Repairs Of Early 3406 Engines{1201,1101,1102}
1980/03/31 Caution: Outboard Bearing Must Be Removed From Extended Shaft Of Front Power Takeoff Before The Engine Is Moved{3055}
1980/03/31 Use Correct Cord Assembly With Jacket Water Heaters{1383}
1980/03/31 Modification Of 5P1768 Pointer Assembly Necessary For Use On Some Fuel Injection Pump Housings{1253,0653}
1980/03/31 New Liner Seat Insert For No. 1 And No. 4 Cylinders Of D353 Engines{1217}
1980/04/14 Repair Parts Now Available For 5S2801 Hose Press Group{0624}
1980/04/14 Important: Use Only 12 Volts Direct Current To Boost Start 3208 Truck Engines Equipped With Exhaust Gas Recirculation Systems{1401,1453,1080}
1980/04/14 Dowtherm 209 Full-Fill Coolant{1350}
1980/04/14 Wrong Installation Of Oil Cooler Gasket Can Cause High Oil Temperatures{1378,1306}
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