1979/05/23 Caterpillar


New Hose Assembly Will Give Longer Service Life With High Oil Temperatures

Usage:


D342, D343, 3406, 3408 Marine Engines With MG514 Marine Transmissions

Description of Change: A new hose assembly is available for service replacement on the above models. The new hose can be used with oil at temperatures of -40°F to + 275°F (-40°C to + 135°C). The temperature range of the former hose was -40°F to + 200°F (-40°C to + 93°C). The new hose assembly will give longer service life, especially in conditions where oil temperatures are high.

Adaptable As: The new 5N5988 Hose Assembly is a direct replacement for the former 7L7307 Hose Assembly, which is canceled.

Caterpillar Information System:

1979/05/23 New Flywheel Housing Corrects Clearance Problem With Cylinder Block
1979/05/23 New 6V116 Water Sleeve Removal Tool Is Available
1979/05/09 New BrakeSaver Manifold Prevents Oil Leakage
1979/05/09 Change In Part Number Of Water Temperature Regulator Used In Attachment Oil Cooler Groups
1979/05/09 New Design Exhaust Gasket Used In Air Lines Group
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
1979/05/23 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
1979/06/06 A New Method To Clean And Polish Engine Valve Stems
1979/06/06 Check Crankshaft Seals During Installation Of Engine Overhaul Gasket Kits; Add A Wear Sleeve When Needed
1979/06/06 New Type Products Available To Clean Cooling Systems
1979/06/06 New Centering Rings For Oversized Main Bearings
1979/06/06 Correct Locations To Connect Gauges For Checks Of Engine Oil Temperature And/Or Pressure
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