New Piston Ring Group Available For Higher Horsepower Applications{1215,1214,1213,1226}
Usage:
All 3304 And 3306 Engines
Description of Change: A new piston ring group is available for 3304 and 3306 Engines with 115 horsepower and above. The new ring group will give a longer service life in higher horsepower applications. There have been field reports of top ring failures in applications above 115 horsepower with the former ring group.
Adaptable To: The new 9S3068 Piston Ring Group is a direct replacement for the 7S9404 Piston Ring Group in horsepower applications of 115 and above. The 7S9404 Piston Ring Group will still give acceptable service life in applications below 115 horsepower.
Caterpillar Information System:
1983/05/09 New Fuel Setting Information{0374,1257,1286}
1983/05/09 New Lower Radiator Hose{1380,1353}
1983/05/09 Use 6V7777 Spacer With 9S6030 Front Oil Seal Installer{1160,0622}
1983/05/09 Installation Of Bearing For Connecting Rod Piston Pin{1219}
1983/05/09 Balancer Shaft And Gear Now Available Separately{1220}
1983/05/09 New Fuel Nozzle Adapters Used{1106}
1983/05/09 New Turbocharger Has Thicker Mounting Flange To Prevent Breakage{1052}
1983/05/09 Change 6V3060 EGR Testers To LES Testers{0651,1080}
1983/05/09 New Specification For Adjustment Of Jacobs Engine Brake{1119}
1983/05/09 Change Made To FT1535 Idler Bearing Puller{0621,4167}
1983/05/09 New Service Tools Available{0600}
1983/04/25 Remove Plastic Plug From Fuel Transfer Pump{1256}
1983/05/16 New Specification For Clearance Between Fuel Rack Slot And Cross Link{1257}
1983/05/16 Procedure To Clean Oil Passages In Crankshafts And Cylinder Blocks{0622,0675,1201,1202}
1983/05/16 Selection Of The Correct Battery For Use With Diagnostic Tools{1401,0650}
1983/05/16 Reuse Of Engine Bearings{1230}
1983/05/16 Increased Oil Flow To Front Bearings{3300}
1983/05/23 Double Lip Crankshaft Seal Helps Stop Oil Leakage{1161,3300}
1983/05/23 Use The 6V4930 Battery Load Tester To Test Batteries{0651}
1983/05/23 List Of Changes To BrakeSavers{1155,1159}
1983/05/30 Installation Procedure For Woodward 3161 and UG8 Governors{1264}
1983/05/30 New Piston Ring Group Used{1215}
1983/05/30 Special Procedure Needed To Clean 3500 Series Engine Pistons{0374,1214}
1983/05/30 New Bolts And Plate Used On Governor Drive Group{1288,1264}