New Oil Pump Relief Valve Guide{1304}
Usage:
3204 Engines
Description of Change: A new oil pump relief valve guide, which is the same hardness as the plunger, is now used in the oil pump group on 3204 engines. The new guide is more resistant to wear than the former guide.
Adaptable To: The 7W2219 Relief Valve Guide is a direct replacement for the former 1N3234 Relief Valve Guide. The new guide is in effect as shown in the following chart.
Caterpillar Information System:
1986/10/13 Remanufactured Final Drive Hubs And Housings (U.S. And Canada){4000,4002,4054}
1986/10/13 Water Level Switch Improved{1354,1350}
1986/10/13 New Piston Oil Ring Gives Better Oil Control{1215}
1986/10/13 New Service Tools Available{0600}
1986/09/29 Improved Damper Guard Used{1205}
1986/09/29 Use Correct Compression Seal Washer (Gas Seal) On 7000 Series Fuel Injection Nozzles{1254,1250}
1986/09/22 Improved V-Belts For Alternator{1405}
1986/09/22 More Flexible Lockwire Used With Nylon Seals For Sealing Critical Areas{1257,1264}
1986/09/22 Longer Adjusting Screw And Jamnut Available For Use In Valve Rocker Arms{1123,1105}
1986/09/22 Windshield Wiper Motor Cross Reference{7305}
1986/09/22 Time Requirement Guides (TRG) Available{0370,0374}
1986/09/22 Benefits Of Using The Caterpillar Inc. Product Information System{0330,0350,0373}
1986/10/20 Orifice Screen Assembly Now Used For The Timing Advance Mechanism{1251,1272,1288,1292}
1986/10/20 Caterpillar Crankshaft Heat Code Locations{1202}
1986/10/20 Check Connecting Rods After Engine Failures Involving Hydraulic Lock{1218,1225}
1986/10/27 Check Oil Drain Hole In OR2671 Or OR2621 Remanufactured Cylinder Heads If Head Used With Breather{1100,1300,1317}
1986/10/27 Stronger Oil Level Guide Used{1326,1300}
1986/10/27 New Indicator Instrument Group Available To Measure Crankcase Blowby And Radiator Air Velocity{0781,1200,1350}
1986/11/03 Custom Product Microfiche Library Is Now Part Of U.S. Product Parts Book Library {0374}
1986/11/03 New Jacket Water Heaters Have Longer Thermostat Life {1383,1450}
1986/11/03 High Loads Require Additional Oil Capacity {1318,1214,1215}
1986/11/03 Two New Cold Weather Fuel Heaters Available {1296}
1986/11/03 Nylon Seals Used On Lockwire To Seal Critical Areas; All Subsidiary Dealers Can Now Order Parts Service Seals {1257,1264}
1986/11/10 Caterpillar Antifreeze Now Used And Available From Parts Departments{1350,1395}