1979/08/27 Caterpillar


New Design Thrust Plate Used In Crankshaft Group{1201,1202,1203}

Usage:


All 3406, 3408 and 3412 Engines

Description of Change: New thrust plates are used in the crankshaft groups on the above engines. The new thrust plates have a tab (ear) which extends beyond the outer surface of the plate. This design will prevent installation which can cause damage to the engine.

Adaptable To: The new 7N8947 Thrust Plates are a direct replacement for the former 4N849 Thrust Plates which have been canceled. Two thrust plates are needed per engine.

Caterpillar Information System:

1979/08/27 New Rocker Arms And Rocker Arm Shaft Have Improved Lubrication{1102}
1979/08/27 Engine Oil Viscosity Changed To SAE 10W/30 For Shipment From All U. S. Factories{1318}
1979/08/27 6V190 Clamp Is Available For Use On Sleeve Metering Fuel Systems{0626,1250}
1979/08/27 Service Kit Is Available For Woodward UG8 Governor{1289}
1979/08/27 Exhaust Manifold And Air Lines Groups Changed To Prevent Exhaust Leakage{1059,1061}
1979/08/27 New Governor Housing Assembly Used In Governor And Fuel Injection Pump Group{1253,1264}
1979/08/27 Why Engines Are Damaged By Fuel Sulfur{1104,1216,1280,1318,1215}
1979/08/20 New Rear Cover And Gasket Used On Water Pump{1361,1350}
1979/08/20 Turbocharger Bearings Are Now Available In More Different Sizes For Better Turbocharger Reconditioning{1053}
1979/08/20 Flex Plate Kits Are Now Available For Vickers Vane-Type Hydraulic Pumps{5055}
1979/08/13 Sealant Now Used On Pipe Plugs At The Bottom Of The Oil Filter Base Assembly To Prevent Oil Leakage{1306}
1979/08/13 New Cylinder Head Gasket Has Smaller Diameter Cylinder Openings To Improve Location Of Combustion Seal Ring{1101,1201}
1979/09/03 Only One Dowel Pin Is Now Used To Hold The Thrust Bearing In The Correct Position{1053,1052}
1979/09/03 Follow Recommendations Given In Special Instructions For Modification Of Rollover Protective Structures (ROPS) At All Times{7323,7325}
1979/09/03 Quick Disconnect Coupling On Optional Modification Of 5P4150 Nozzle Tester Permits Faster Exchange Of Adapters{0651,1254}
1979/09/03 Different Mounting Hole Locations In Ring Gear Plate Assembly And Rotor Assembly For BrakeSaver{1155}
1979/09/10 Insulation Sleeve For 5P7360 Tach Generator Now Available {7462}
1979/09/10 Stronger Bolt Now Used With Exhaust Manifold {1059,1307}
1979/09/10 6V2055 High Vacuum Grease Gives Better Oil Seal {1052,1053,1077,0682}
1979/09/10 Undercarriage Disassembly And Assembly Procedures And Specification Charts Are Available {4150,4159,4154,4171,4180}
1979/09/10 New Gasket Used In Water Lines Group For Aftercooler {1380,1063}
1979/09/10 Different Grease Fitting Now Used In Fan Drive Group {1359}
1979/09/10 Recommendation For Use Of A FLEX-HONE On 1100, 3100 and 3200 Series Engines {1201}
1979/09/10 Tee Handle Hexagonal Wrench In Rack Adjusting Tool Is Now Available For Parts Replacement
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