1980/04/14 Caterpillar

Wrong Installation Of Oil Cooler Gasket Can Cause High Oil Temperatures{1378,1306}

Usage:

1100, 3100, 3200 Series Engines

During assembly of the oil cooler group for the above engines, a 9L6420 Gasket must be installed between the oil filter base and the oil cooler. This gasket has an indexing point (see the illustration), which must be up and toward the front of the engine. Wrong installation of the gasket (with the indexing point down and toward the rear) will let the oil flow directly into the filter and through the engine with little or no flow through the cooler. This can cause high oil temperatures. For this reason, it is important to install the 9L6420 Gasket correctly during assembly of the oil cooler. Be sure the indexing point on the gasket is up and toward the front of the engine. Correct installation of the gasket is shown in the Service Manual for the engine.

9L6420 Gasket.

Caterpillar Information System:

1980/04/14 Dowtherm 209 Full-Fill Coolant{1350}

1980/04/14 Important: Use Only 12 Volts Direct Current To Boost Start 3208 Truck Engines Equipped With Exhaust Gas Recirculation Systems{1401,1453,1080}

1980/04/14 Repair Parts Now Available For 5S2801 Hose Press Group{0624}

1980/03/31 New Liner Seat Insert For No. 1 And No. 4 Cylinders Of D353 Engines{1217}

1980/03/31 Modification Of 5P1768 Pointer Assembly Necessary For Use On Some Fuel Injection Pump Housings{1253,0653}

1980/03/31 Use Correct Cord Assembly With Jacket Water Heaters{1383}

1980/03/31 Caution: Outboard Bearing Must Be Removed From Extended Shaft Of Front Power Takeoff Before The Engine Is Moved{3055}

1980/03/31 Remanufactured Short Blocks Are Available For Repairs Of Early 3406 Engines{1201,1101,1102}

1980/03/31 Replacement Pinion And Output Gear Available For Service Of Torque Multiplier{0614}

1980/03/31 6V2023 Flow Check Adapter Group Is Available{0651,0654}

1980/03/31 Use The 6V200 Hydraulic Wrench To Get Correct Torque Applications On Fasteners In Difficult Access Areas{0612,0623}

1980/03/24 Different Vibration Damper Now Used{1205}

1980/04/14 6V2040 Ratchet Adapter Available For Use With Torque Multipliers On Hydraulic Cylinder Repair Stands{0614,0622}

1980/04/21 Main And Connecting Rod Bearings With Cavitation Erosion Can Be Used Again{1230,1203,1219}

1980/04/21 New Filter Elements Are Available For "Fire Resistant Fluid" Hydraulic Systems{5068}

1980/04/21 Crankcase Capacity Increased And New Oil Level Gauges Used; Specifications For Conversion Of Existing Gauges{1318,1302}

1980/04/28 New 1N3270 Auxiliary Drive Group Available As Attachment{1165}

1980/04/28 Boring Machine, Adapter Groups And Sleeves Available For Repair Of Damaged Cylinder Blocks{0622,1201,1216}

1980/04/28 Use 6V3044 Polishing Belt For Crankshaft Reconditioning{0622,1202}

1980/05/05 New 6V2120 Spline Sprocket Improves Depth Control Of 5P4175 Boring Tool Group{0663}

1980/05/05 Changes To 9S240 Rack Position Tool Group; Revision To Special Instructions{0653,0374,1250}

1980/05/05 Improvements Made To Water Separator Groups{1263}

1980/05/05 Hardened Washers Now Used On Bolts For Fan Shroud{1353,1360}

1980/05/12 Use The FT1525 Alignment Pin And FT1526 Fixture When Reconditioning Earlier 3208 Sleeve Metering Fuel Systems{0626,1264,1286}