Stronger Suction Bell Assembly Now Used In Engine Oil Lines Group{1318,1307}
Usage:
3406, 3408 and 3412 Engines In Most Applications
Description of Change: A stronger suction bell assembly is now used in the engine oil lines group on 3406, 3408 and 3412 Engines in most applications. The new suction bell has more welds in a larger area to make the assembly more rigid. For this reason the new suction bell will give longer service life than the former suction bell.
Adaptable As: Direct replacement.
Caterpillar Information System:
1979/02/05 Federal Law Prohibits Tampering With Noise Control Systems{0116}
1979/01/29 Fuse And Wire Assembly Is Available For Protection Of Earlier 6N5906 Service Meters{7480}
1979/01/22 Ether Starting Aid Groups Are Now Available{1456}
1979/01/22 New Tachometer Drive Adapter Has Increased Service Life{7462,1288}
1979/01/22 Current Chart For Dynamometer Adapters{0651,1000}
1979/01/15 6V83 Emery Polishing Paper{0675}
1979/01/15 Removal And Installation Of Taper Type Bearings{0622,1214,1219}
1979/01/15 5P9705 Tapered Rod Tool Group Used For Removal And Installation Of Piston Pin Bearings In Tapered Connecting Rods{0622,1214,1218}
1979/01/08 Improved Woodward Governor Groups{1264,1289}
1979/01/08 New 6V87 Gauge Measures Valve Stem Wear{0653,1105}
1979/01/08 A New 6V29 Sleeve Metering Fuel System Pump Roll Pin Tool Is Used To Adjust And Make A Replacement Of Roll Pins In The Fuel Injection Pump Housing{0626}
1979/01/08 Check The Adjustment Of The Original Tachometer Before A New Tachometer Is Installed{7462}
1979/02/05 High Sulfur Fuel Can Cause Severe Engine Wear And Internal Damage{1280}
1979/02/19 Use SIRS To Keep Service Literature Current{0374}
1979/02/19 Use Correct Procedure To Clean The Engine Lubrication System If Permanent Type Antifreeze (Ethylene Glycol) Is In The Engine{1318,1350}
1979/02/19 Modification Of 5P9726 Plug Gauge That Is Used To Check Brake Wear{0653}
1979/02/19 New Exhaust Valve And Valve Guide{1104,1105}
1979/02/19 New Exhaust Pipe Connector Makes A Tighter Seal Between Pipe And Manifold{1061,1059}
1979/02/19 Engine Valve Springs Are Now Made Of Carbon Steel Alloy{1101,1108}
1979/03/05 Main Bearings Now Have Larger Diameter Oil Hole For Better Lubrication Of Main And Rod Bearings{1203,1219,1300}
1979/03/05 New Engine Cylinder Block Used{1201}
1979/03/05 New Piston And Connecting Rod Are Tapered In Area Of Piston Pin{1213,1214,1218,1219}
1979/03/05 New Fuel Injection Nozzles Are Used In 3208 Engines{1254}
1979/03/05 Improvements Made To Fuel Injection Pump And Governor Group{1253,1281,1286}