1979/06/18 Caterpillar


Temperature Compensator Conversion Group Available For Fuel System To Prevent Low Power Output{1250}

Usage:


3208 Industrial Engines In Agricultural Applications

Description of Change: On some 3208 Engines used in agricultural applications, high fuel temperatures have caused low power, output because expansion of the fuel decreases its weight per unit volume. Since the fuel injection system measures the fuel according to volume, but power output is in direct relation to fuel weight, the lighter weight of hot fuel lowers the power output of the engine. To prevent this problem, a temperature compensator conversion group is released for use on these engines. The conversion group has a new torque control group (temperature compensating), which automatically adjusts the maximum rate of fuel flow according to fuel temperature. This will permit normal power output from the engine at any fuel temperature.

Adaptable To: All earlier 3208 Engines (90N) used in agricultural applications. This group can also be used in other industrial applications, but is not to be installed in 3208 Truck Engines (40S, 32Y). Installation instructions are sent with each conversion group.

Caterpillar Information System:

1979/06/11 Test Specifications Now Available For 9N3979 And 9N2366 Pencil Type Fuel Nozzle Assemblies{0652,1254}
1979/06/11 New Specification For Installation Of Camshaft Front Bearing In Cylinder Block{1211}
1979/06/04 New Centering Rings For Oversized Main Bearings{0665,1230}
1979/06/04 Check Crankshaft Seals During Installation Of Engine Overhaul Gasket Kits; Add A Wear Sleeve When Needed{7555,7558,1161}
1979/06/04 New Caterpillar Yellow Paint{0670}
1979/06/04 New "L-Shaped" Clutch Plates Now Used{3302}
1979/05/28 Correct Locations To Connect Gauges For Checks Of Engine Oil Temperature And/Or Pressure{7455,7450,1300}
1979/05/28 New Type Products Available To Clean Cooling Systems{1350}
1979/05/28 Seat Belt Maintenance{7327}
1979/05/28 A New Method To Clean And Polish Engine Valve Stems{0674,1105}
1979/05/28 9S8100 Tool Group Changed To Use With Fuel Transfer Pump Only{0622}
1979/05/21 Rod Bearings For Parts Service Have Reliefs (Grooves) Cut On The Outside Diameter{1219}
1979/06/18 During Installation Of An Auxiliary Bypass Oil Filter, Be Sure Passage In Oil Cooler Fitting Is Open{1314,1378}
1979/06/18 Shorter Bolt Used In BrakeSaver Manifold To Prevent Possible Contact With Bolt In Transmission{1155,1013}
1979/06/25 6V117 And 6V2001 Bushings Used In 9S8140 Pressurizing Pump Group Are Available For Parts Service{0651}
1979/06/25 Use Of 9S3265 Retaining Compound On Schwitzer Turbocharger Compressor Wheel Retainer Nuts{1052,1053}
1979/06/25 6V183 Gasket Now Available For Parts Service To Use On 5P4150 Or 8S2242 Nozzle Tester{0651}
1979/06/25 New Water Pump Assemblies Use An Improved Seal Assembly{1361}
1979/06/25 Engine Front Support Now Machined To Prevent Possible Failure Of The Support Brackets For the Power Takeoff{1153,3055}
1979/06/25 New Air Inlet Tube Gives Enough Room To Install A "Jake Brake"{1058,1119}
1979/06/25 6V2010 Polishing Stone Available{0622}
1979/07/02 To Prevent A Possible Change In The Fuel Rack Setting, A Specific Assembly Procedure Must Be Used To Tighten The Bolt On The Governor Stop Collar{1259,1257,1250}
1979/07/02 6V109 Torque Multiplier Available For Use With Hydraulic Cylinder Repair Stand{0614}
1979/07/02 Improved Engine Design Uses Cylinder Block With Spacer Plate And New Crankshaft Thrust Plates{1000}
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