Use Correct Parts In Oil Pressure Relief Valve{1315,1304}
Usage:
All D346 Engines
There have been reports of the wrong assembly of the oil pressure relief valve in the oil pump assembly on D346 Engines. Some servicemen do not know which parts to use with the different oil pump assemblies. The correct parts for the relief valve are shown in the charts.
Caterpillar Information System:
1981/08/10 New Water Temperature Regulator Improves Temperature Control{1355,1354}
1981/08/10 Certification Film Necessary On Engines Adjusted For High Altitude Operation{7557,1251,1257,1264}
1981/08/10 Voltage Converter Assembly Now Available{1400,1410,1561}
1981/08/03 FT1633 And FT1634 Return Cap Assemblies Permit Easier Installation Of Flow Meter Tools{0651,5050}
1981/08/03 New Information System For Engine Gasket Kits{7555}
1981/08/03 Delay Expected In Replacement Of Canceled Service Tools{0651}
1981/08/03 Indications Of High Oil Temperatures In BrakeSaver Circuit Can Be Caused By Wrong Gauge Connection{1155,1159,7450}
1981/07/13 Washer, Seal Added To Improve Oil Filter Assembly{1306,1318}
1981/07/13 Remove Piston Cooling Tubes Before Removal Of Pistons And Connecting Rods{1214,1218,1201,1225,1307}
1981/07/13 Coolant Conditioner Elements And Their Capacities{1350}
1981/07/13 Top Rings For Pistons Have Two Designs{1215,1214}
1981/07/13 Use 6V4805 Valve Seat Extractor Group To Remove Valve Seat Inserts{0621}
1981/08/10 Explanation Of Differences In Timing Advance Information{0374,1250}
1981/08/10 Different O-Ring Seals Used In Exhaust Gas Recirculation Actuator Group{1080}
1981/08/10 New Spacers Used With Larger Valve Springs{1108,1101}
1981/08/17 Standard Interval For Oil Changes Now 20,125 Kilometers (12,500 Miles) Or 250 Service Hours{1318}
1981/08/17 New Spanner Wrenches Needed To Install Bearings On Marine Transmission Shafts{0622,3300}
1981/08/17 Improvements To Optional Modification Of 5P4150 Nozzle Tester{0651,1254}
1981/08/17 Plastic Plugs Now Used To Hold Piston Pins In Bendix Air Compressors{1065}
1981/08/17 O-Ring Seal Materials And Applications: Use Only The Correct Seal For The Specific Installation{7555}
1981/08/17 Comparison And Applications Of Six And Eight Counterweight Crankshafts{1202,1156}
1981/08/24 New Idler Pulley Groups Improve Service Life Of Vee-Belt{1358}
1981/08/24 Troubleshooting The Fuel Ratio Control Group For Low Power Complaints{1278}
1981/08/24 Use Of Different Anti-Seize Compound Prevents Problems With S.O.S. Tests{0680,1203,1218,1219,1225,1226,1227,1230}