Cross Link Between Fuel Racks Has Smoother Surface{1250,1257}
Usage:
All 3408, 3408B And 3412 Engines
Description of Change: The cross link, used between the fuel racks on the above engines, now has a smoother surface. The smoother surface on the fuel rack cross link reduces wear between the slot and fuel rack cross link.
Adaptable As: The new 4N1572 Rack Link can be adapted to all 3408, 3408B and 3412 Engines. The 4N1572 Rack Link with the smoother surface can be identified by the marks on the link. See the illustration.
Identification marks on the new 4N1572 Rack Link.
Caterpillar Information System:
1985/03/11 New Air Cleaner Element Creates Less Restriction{1054}
1985/03/04 Do Not Weld On Painted Surfaces{0350,0679}
1985/03/04 Exhaust Clamp Nut Now Serviced Separately{1061}
1985/03/04 3208 Truck Engine Service Manual Available In Spanish{0375}
1985/03/04 Discontinued D.C. Generators Replaced By Alternators{1404,1405}
1985/03/04 New Water Cooled Exhaust Manifold Elbows And Rear Manifold Are Used{1059}
1985/03/04 3406B Truck Engines Have Been Improved For 1985{1000,1050,1052,1100,1200,1250}
1985/03/04 Use The Correct Oil In Natural Gas Engines{1318,0374}
1985/02/18 Low Maintenance High Output Batteries Are Now Standard Equipment{1401}
1985/02/18 New Drive Coupler Kit Used On Altronic Magneto{1552}
1985/02/18 Bleed Holes On Parts Service Cylinder Heads{1100,1101}
1985/02/18 New Transmission Control Valve And Pressure Relief Valve Are Used With High Flow Oil Pump{3313,3310}
1985/03/11 Installation Of Heli-Coils In Holes With Damaged Threads{0600,0670,0671}
1985/03/11 New Crankshaft Seal Groups Used On More 3400 Series Engines{1160,1161}
1985/03/11 New Cooling System Temperature Regulator Available{1355}
1985/03/11 Dowtherm 209 Full-Fill Coolant{1350}
1985/03/11 Input Shaft And Flange Available As An Assembly; Makes Alignment Easier{3303}
1985/03/18 New Service Tools Available{0600}
1985/03/18 Internal Seals In 7000 Series Fuel Injection Nozzles Cannot Be Replaced{1254}
1985/03/18 New Service Manual Binders Are Made From Thicker Material{0375}
1985/03/18 Remanufactured Bare Cylinder Heads (U.S. And Canada){1101,7754}
1985/03/18 Improved Oil Ring For Pistons Eliminates Expander Problems That Lead To Ring Breakage During Installation{1215}
1985/03/25 Changes To Turbocharged Truck Engines For 1985{1000,1050,1052,1100,1200,1250,1252}
1985/03/25 New Main Shaft Bearing Assembly Has Reduced End Play{3306}