Improved Manufacturing Process Extends Service Life Of New Exhaust Valves
Usage:
All 1693 Truck Engines
A new exhaust valve is used which is made with an improved manufacturing process. The process enables the valve to better withstand the cyclical loading experienced during normal operation. This will improve the service life of the valve and associated components.
The new 7E7830 Exhaust Valve is a direct replacement for the former 8N3725 Exhaust Valve (canceled). The new parts should not be mixed with the former parts.
Caterpillar Information System:
1990/06/01 Procedure To Measure Cylinder Liner Projection On 3176 Truck Engines
1990/06/01 New Bolt And Spacer Used In Exhaust Manifold Group To Improve Gasket Retention
1990/06/01 New Fuel System Components For 3176 Truck Engines
1990/06/01 New Fuel Transfer Pump Group Has New Check Valve Location
1990/05/01 New Operation And Maintenance Manual For 3306B Truck Engines
1990/05/01 Operation And Maintenance Manuals For Truck, Bus, And Recreational Vehicles
1990/05/01 New Valve Assembly And Spacer Used In Fuel Transfer Pump Group
1990/05/01 Reconditioning Of Bridge Wear Seat Is Permitted; Will Prevent Bridge Replacement When Not Necessary
1990/05/01 Data Link Adapter For 3176 And 3406B PEEC (Programmable Electronic Engine Controls) Used In Navistar Trucks
1990/05/01 New Valve Shield Used To Control Oil Slobber
1990/05/01 Parts Service Information For Pistons
1990/05/01 Governor Springs For Sleeve Metering Fuel Systems
1990/06/01 "Ugly's Electrical-References " SEBD0983, Now Available
1990/07/01 Electrical System Damage From High Voltage
1990/07/01 Welding On Fuel And Hydraulic Tanks
1990/07/01 List Of Service Publications
1990/08/01 Effective Dates, Serial Numbers And Features Of PEEC Personality Modules
1990/08/01 New Rotary Solenoid (Brushless Torque Motor) Used In PEEC Engines
1990/08/01 New Pistons Used
1990/08/01 Coolant Loss In 3406B Truck Engines
1990/08/01 New Caterpillar Parts Identification Label
1990/09/01 Sealing Threads On Switches And Sensors That Are Grounded Through The Case
1990/09/01 New Service Tools Available
1990/09/01 Correct Light Bulb Replacement For The 8T9290 Borescope; New Light Bulb Used