New Piston Rings Extend Valve Service Life {1215}
Usage:
G3406 (4FD, 1RK),
G3408 (6NB, 3WR, 8YR),
G3408B (6RJ),
G3412 (7DB, 3NK, 6ZM) Industrial;
G3412 (9RR) Generator Set Engines
Description of Change: Two new piston rings are available for the above engines. The new oil ring and intermediate ring increases oil flow within the cylinder and extends valve service life. With the introduction of the new piston rings, new rod and piston groups are also available.
Adaptable To: See the charts to find the part numbers for the new and former piston rings and rod and piston groups.
Caterpillar Information System:
1996/09/23 Special Instruction, SEHS9246-01, "Using 9U-6860 Tool Group To Replace Unit Injector Sleeves" Is Available {1713}
1996/09/23 New Parts Available To Eliminate Wear Between The Oil Cooler Bonnet And The Elbow {1378,1380}
1996/09/23 Oil Pan Gasket Is Reusable {1302}
1996/09/23 Valve Cover Base Gasket Is Reusable {1120}
1996/09/23 New Non-Metallic Fans For 360 And 440 Frame Generators {1404,7002,1356}
1996/09/23 New Plastic Outlet Sleeve Used On 3208 Engines {1380}
1996/09/23 New Hold-Down Bolts For The Sleeve Metering Fuel System (SMFS) Governor Housing {1251}
1996/09/23 New Improved Camshaft Assemblies Are Used In 3208 Engines {1210}
1996/09/23 New Lifter Assembly Is Available For Turbocharged Engines {1209}
1996/09/23 New Air Cleaner Group Provides Closed Crankcase Breather System {1051,1317}
1996/09/23 Zinc Plated Pulley Prevent Corrosion In Marine Applications {1385,1425}
1996/09/23 Water Temperature Regulators (Low Leak) Adaptable To 3114, 3116 And 3208 Engines {1355}
1996/09/23 New Governor Weight And Race Increase Durability {1264}
1996/09/23 New Mixer Assembly Provides Better Startability And Idle Stability {1266}
1996/09/23 Error In The Testing And Adjusting Manuals For Fuel System Adjustment Timing Pin {1272}
1996/09/23 Replacement Turbocharger Cartridge Part Numbers {1056}
1996/09/23 A Chamfer Has Been Added To Some Engine Cylinder Head Bolt Holes To Help Reduce Stress Concentrations And Prevent Cracks {1101}
1996/09/23 New Valve Cover Seals Are Available For Mechanical Unit Injector (MUI) and Electronic Unit Injector (EUI) Engines {1107}
1996/09/23 Addition Of Sleeve And Removal Of Setscrew Prevents Binding Of Control Shaft {1266,7558}
1996/09/23 New Bracket Available To Support Gas Engine Ignition Group Wiring Harness Assembly {1408,1550}
1996/09/23 New Circuit Board Assembly And Modules Improve Serviceability And Reliability {1418,1550}
1996/09/23 Introduction Of New Spark Ignited Single-Cylinder Gasket Kits {7555}
1996/09/23 Caterpillar Now Has Parts Support For Previously Non-Supported Custom Parts {7567}
1996/09/23 Turbocharger Water Wash Procedure {1052}