1979/01/10 Caterpillar


Stronger Fan Adjustment Bracket Used In Fan Drive Group

Usage:


3406 Truck Engines (92U)

Description of Change: A stronger fan adjustment bracket is now used in the fan drive group on 3406 Truck Engines. The new bracket is made of ductile iron and has more resistance to stresses than the former bracket of cast iron. For this reason, the new bracket will give longer service life.

Adaptable As: The new 9N5120 Bracket is a direct replacement for the former 4N2368 Bracket.


Location of 9N5120 Bracket.

Caterpillar Information System:

1979/01/10 Caution: Do Not Change Orifice In Water Outlet Of Auxiliary Pump Group
1979/01/10 New 6V87 Gauge Measures Valve Stem Wear
1979/01/10 Check The Adjustment Of The Original Tachometer Before A New Tachometer Is Installed
1979/01/10 New Switch Assembly Used With Exhaust Gas Recirculation System
1994/07/08 Improved Lubrication Of Attachment Coupler Bushing{5133}
1999/11/01 Download Flash Files By Using The Caterpillar Service Information System (SIS) Or SIS Web{1901,1920}
1999/11/01 138-8440 Component Cleaner May Damage Electrical Connectors{0644}
1999/11/01 EPA Required Low NOx Rebuild Kits On Overhauled Engines{1290}
1999/10/01 Optional Service Replacement Aluminum Piston Cylinder Kit Available {1241,1331}
1999/10/01 Improved Jake Brake Solenoids For 1999 3406E Truck Engines {1119}
1999/10/01 Recommended Repairs After Cylinder Head Gasket Failure {1101}
1999/10/01 3126B Software Defect For Injection Actuation Pressure Driver Test {1920}
1979/01/10 Improved Woodward Governor Groups
1979/01/24 A New 6V29 Sleeve Metering Fuel System Pump Roll Pin Tool Is Used To Adjust And Make A Replacement Of Roll Pins In The Fuel Injection Pump Housing
1979/01/24 Ether Starting Aid Groups Are Now Available
1979/01/24 Current Chart For Dynamometer Adapters
1979/01/24 New Tachometer Drive Adapter Has Increased Service Life
1979/01/24 5P9705 Tapered Rod Tool Group Used For Removal And Installation Of Piston Pin Bearings In Tapered Connecting Rods
1979/01/24 Longer Bolts Are Now Used To Fasten The Engine Fan Assembly To The Adapter
1979/01/24 List Of Service Publications
1979/03/07 New Design Fuel Injection Valve Body Used In Fuel Injection Lines Group
1979/03/07 Federal Law Prohibits Tampering With Noise Control Systems
1979/03/07 Stronger Suction Bell Assembly Now Used In Engine Oil Lines Group
1979/03/07 New Larger Capacity Water Separator Is Available
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