Improved Valve Cover Seal
Usage:
D379, D398, D399 Industrial And Generator Set Engines;
G379, G398, G399 Natural Gas Engines With Ebullient Cooling
Description of Change: The above engines now have an improved valve cover seal. The new seal is made of a silicone material that is more heat resistant than the material used in the former gasket.
Adaptable As: The new 2W7134 Seal is a direct replacement for the former 2N3597 Seal in ebullient cooled engines. The new seal is in effect with the serial numbers shown in the chart.
Caterpillar Information System:
1982/10/20 Reconditioning Of Oil Pump Covers
1982/10/20 New Connecting Rod And Main Bearings Have Thicker Layer Of Surface Material
1982/10/20 List Of Service Publications
1982/10/20 Improvement To 1N4679 Control Rod Assembly Increases Range Of Adjustment For Rack
1982/10/20 Extended Storage Procedures
1982/10/20 New Water Pump Uses New Seal And Impeller
1982/10/20 Engine Slobbering; New Piston And Rings Used
1982/10/20 Wider Crankshaft Gear Used
1982/10/20 Bulged Capsule-Type Fuel Nozzles
1982/10/20 Improvements Made To Marine Transmissions
1982/10/20 New Coolant Level Switch Used
1982/10/20 New Fuel Nozzle Test Sheet Available
1982/10/20 Planned Engine Repairs
1982/10/20 Fuel In The Cooling System Or Coolant In The Engine Oil Can Result From Cracked Fuel Nozzle Adapter
1982/10/20 New Main And Connecting Rod Bearings Have A Thicker Layer Of Lead-Tin Overlay (Surface Material)
1982/10/20 New Head Gasket Improves Seal Between Block And Liner Flange
1982/10/20 FT1698 Driver Can Be Used For Reconditioning Of Governor Housing
1982/10/20 New Fasteners Used For Fuel Injection Lines
1982/10/20 Improvement To Engine Overspeed Alarm System
1982/10/20 Do Not Use A Wire Brush On Fuel Nozzles
1982/11/10 Mechanical Shutoff Groups Changed To Prevent Vibration Of Oil Line Tubes
1982/11/10 Improvements To Generator-Mounted Control Panels
1982/11/10 6V6142 And 6V6143 Installers Can Be Used To Install Crankshaft Seals And Wear Sleeves
1982/11/10 6V6175 And 6V6176 Torque Adapters Make Installation Of Fuel Pump Drive Gear Easier