New Design Exhaust Gasket Used In Air Lines Group
Usage:
3406 Truck Engine (92U);
3408 Industrial Engine (67U);
3408 Truck Engine (28V)
Description of Change: A new design exhaust gasket is used in the air lines group for the above models. The new gasket has a double bead around the center opening to give a better seal against exhaust leakage. The former gasket had only a single bead around the center opening.
Adaptable As: The new 8N2431 Gasket is a direct replacement for the former 4N1724 Gasket which is canceled.
Location of gaskets.
Caterpillar Information System:
1979/05/09 List Of Service Publications
1979/05/09 Use New Adapter To Make Tests Of 9L6884 Nozzles
1979/05/09 New Oil Pump Has Improved Relief Valve For Better Pressure Control
1979/05/09 How To Adapt The 5P1759 Tachometer Drive Group (Dealer Tool) To D353 Engines Equipped With Electric Hour Meters When Engine RPM Must Be Checked
1979/05/09 Part Numbers Of Bearings To Use For Service Replacement In Fuel Injection Pump Housings For Sleeve Metering Fuel Systems; Correction To Special Instruction For Installation.
1979/05/09 New " Drive 6V94 Universal Joint Is Available
1979/05/09 Improved Gasket Now Used Between The Flywheel Housing And The Cylinder Block
1979/05/09 New Ring Gears Used In Flywheel Assemblies
1979/04/25 Stronger Output Shaft Now Used In 2N3909 Tachometer Drive Adapter
1979/04/25 During Installation Of Crankshaft Piston Ring Seals, Put Silicone Grease In The Groove And On The Seal
1979/04/25 Dowtherm Test Strips No Longer Available
1979/04/25 New Exhaust Valve Has Improved Three-Piece Construction
1979/05/09 Change In Part Number Of Water Temperature Regulator Used In Attachment Oil Cooler Groups
1979/05/09 New BrakeSaver Manifold Prevents Oil Leakage
1979/05/23 New 6V116 Water Sleeve Removal Tool Is Available
1979/05/23 New Flywheel Housing Corrects Clearance Problem With Cylinder Block
1979/05/23 New Hose Assembly Will Give Longer Service Life With High Oil Temperatures
1979/05/23 5P3519 Piston Ring Gauge Has Improved Design For Better Accuracy And Easier Use; Corrected Information For Use On Pistons That Have Two Ring Grooves
1979/05/23 How To Prevent Cylinder Block Failure From Cracks
1979/05/23 Do Not Use Later 9N3979 Nozzle Assemblies In Place Of Earlier Nozzle Assemblies
1979/05/23 Shorter Mounting Bolts Used For Glow Plug Wiring
1979/05/23 An Ammeter Calibration Group Is Now Available
1979/05/23 New Filler Bands Give A Better Seal Between The Cylinder Liners And Cylinder Block
1979/05/23 Two Fuel Pressure Pumps Are Available To Increase Fuel Pressure