Oversized Intake And Exhaust Valve Seat Inserts Available For Spark-Ignited Engine Heads{1103}
Usage:
3406 ( 4FD ),
3408 ( 6NB ),
3412 ( 7DB ) Spark-Ignited Engines
Oversized intake and exhaust valve seat inserts are now available for heads.
Chart A identifies the oversized amount of the outside diameter of the insert and the corresponding part number for the intake and exhaust valve seat inserts.
Caterpillar Information System:
1990/12/24 New Seals Available For Parts Service Of Noncurrent Water Lines Group{1380,1155,1378}
1990/12/24 New 3E0020 Vehicle Speed Buffer Used{1914,1900}
1990/12/24 Update Information For Exhaust Manifolds{1059}
1990/12/24 Air Pressure Settings For Pneumatic Selector Control Valve On Reintjes® Marine Transmissions{3313}
1990/12/24 Installation Of Zinc Rods In Caterpillar Marine Engines{1350,1388}
1990/12/24 Incorrect Specification For Tightening Turbocharger Compressor Nut In Service Manual For 3306B Diesel Truck Engine, SEBR0545-01{1052}
1990/12/24 Sealed Alternators Available For Earthmoving Applications{1405}
1990/12/17 New Ether Starting Aid Groups Available{1456}
1990/12/17 Personality Module Software Updated; Do Not Troubleshoot Diagnostic Code 55 (No Detected Faults){1901,1902}
1990/12/17 New Rotor Used In BrakeSaver Group; Regulator Valve Improved{1155}
1990/12/17 New Bronze Thrust Plate Used On Center Main Bearing Of Crankshaft Groups{1203}
1990/12/17 Remanufactured Camshafts And Cam Kits Available For Parts Service{1210,1211,1212}
1990/12/24 Auxiliary Oil Filter Groups Used To Increase Oil Capacity And Extend Oil Change Interval To 750 Hours{1318,7534}
1990/12/24 New Tube And Bracket Provide Clearance For Alternator{1380,1405}
1991/01/07 Checking Crankshaft Journal Surface Hardness On Remanufactured Crankshafts{1202}
1991/01/07 New Boost Line Hose Assemblies Withstand Higher Temperatures{1081,1057,1088,7554}
1991/01/14 4C8753 Extended Collet Available; Problems With 8T1002 Probe For Fuel Setting{0782}
1991/01/14 Air Compressor Manifolds Are No Longer Available{1803}
1991/01/14 New Battery Load Tester Available To Service Six, Eight, And 12 Volt Batteries{0785,1401}
1991/01/28 New Bracket Assemblies Used In Lifter Group{1209,1281}
1991/01/28 Special Instruction SEHS9298 Gives Installation And Maintenance Information For Gaseous Fuel Filters{1261,1262}
1991/01/28 New Top Piston Ring Improves Wear Resistance{1215}
1991/01/28 Be Sure To Check Inlet Valve Rotocoils After An Engine Overspeed{1109,1105}
1991/02/11 New Sleeve-Type Bearings Give Better Carburetor And Governor Control{1265,1266}