1996/07/22 Caterpillar


New Electroless Nickel-Plated Oil Pan Provides Corrosion Protection{1302}

Usage:


3208 (75V, 01Z) Marine Engine

Description of Change: A new electroless, nickel-plated oil pan is now available with all 3208 Marine Engines. The electroless nickel-plating provides a hard, durable, and scratch-resistant corrosion protection barrier for the oil pan.


2W-4651 Oil Pan Assembly with nickel-plating that is 0.025 mm (0.0010 in) of minimum thickness over the entire surface including all internal passages and threads: Top view (1). End view (2). Oil pan drain plug (3). Side view (4).

Adaptable To: The electroless, nickel-plated 2W-4651 Oil Pan Assembly is a direct replacement for former 8N-1651 Oil Pan Assembly in the naturally aspirated engine (75V1-Up). The 2W-4651 Oil Pan Assembly is also a direct replacement for former 4N-4475 Oil Pan Assembly in the turbocharged engine (01Z1-Up). The 2W-6145 Oil Pan Assembly replaces 8N-1651 Oil Pan Assembly used on turbocharged models (75V1-Up) built with naturally aspirated cylinder blocks.

In order to prevent corrosion to the steel oil pan bolts, a silver-colored corrosion coating has been added to 9L-9178 Bolts and 9L-8402 Bolts.

Yellow paint has been added to 6N-4134 Block used on the naturally-aspirated models and to 9N-3338 Rear Bracket of the engine oil cooler base used on the turbocharged models. The yellow paint is applied to prevent corrosion of the aluminum base and of the steel bracket.

The oil pan drain plugs have been changed to a stainless-steel material.

Caterpillar Information System:

1996/07/22 Servo Assembly Parts Have Been Changed To Make Some Parts Common Between Mechanical Governed (Type I-VI) Engines{1264,1289}
1996/07/22 Replacing The Shutoff Assembly In Engines With Older Governors{1264,1289}
1996/07/22 Governor Shimming Is Determined By The Governor Test Bench Calibration{1264,1289}
1996/07/22 New Service Tool Calibration Pins For Mechanical Goverened Engines{1264,1265}
1996/07/22 New Bench Checking And Setting Procedure For Fuel Ratio Control (FRC) Mechanical Goverened Engines{1264,1265}
1996/06/12 New Oil Pump Used As Service Replacement{3310}
1996/06/12 Field Installation Procedure For Stator Thermocouples and RTDs{7498,4453}
1996/06/12 Preventive Measure For Protection Of Air Prelube Pumps{1319}
1996/06/12 New Hose Assembly And Clip Replaces Former Tube Assembly{1318}
1996/06/12 New Components In Accessory Drive Group And Alternator Drive Group Provide Improved Serviceability And Help Prevent Oil Leaks{1207,1425}
1996/06/12 Improvements To Check Valve Within Prechamber Group Reduce Maintenance Schedule{1106}
1996/06/12 Turbocharger Nozzle Cleaning{1052}
1996/07/22 New Strap Used In Alternator Mounting Group{1357}
1996/07/22 Procedure To Clean Area Around Injector Case And Sleeve Bore During Unit Injector Replacement{1713}
1996/07/22 New Electron Beam (EB) Welded Pistons Have Been Introduced For G3500 Engines Operating At Or Above 1500 rpm{1213,1214,1225,1226,1227}
1996/07/22 New Oil Jet Tube Assemblies Replace Oil Cooling Jet Assemblies{1331}
1996/07/22 New Water Lines Group Will Help Prevent Exhaust Manifold Cracks{1380}
1996/07/22 New Variable Timing Control Box Assemblies Are Used In Detonation Sensitive Timing Ignition Groups To Provide Improved Detonation Protection{1559,1560}
1996/07/22 New Stainless Steel Air Pressure Sensor And Gas Pressure Sensor Tube Assemblies In Engine Wiring Groups Provide Increased Strength And Corrosion Resistance{1058,1285,1904}
1996/07/22 New Bellows Assembly Made With Inconel® To Withstand Frequent Exhaust Temperature Cycles{1059}
1996/07/22 New Bellows Assembly Made With Inconel® To Withstand Frequent Exhaust Temperature Cycles{1059}
1996/07/22 New Technique To Remove Cylinder Head From Cylinder Block{1101,1201}
1996/07/22 New Seals Used In Valve Mechanism Cover Group{1107,1120}
1996/07/22 New Piston Assembly Has Replaceable Components; New Piston Assembly Procedure{1214}
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