New Piston Ring Group Used{1215}
Usage:
All 4.75"
Bore Engines With 7S9404 Piston Ring Group (Rectangular)
Description of Change: A new piston ring group is used on the above engines. The new group has a new top piston ring.
This new top piston ring is made of a new material which has more resistance to wear and will give a longer service life.
Adaptable As: The new piston ring group is a direct replacement for the former piston ring group as shown in the chart.
Caterpillar Information System:
1983/05/30 Installation Procedure For Woodward 3161 and UG8 Governors{1264}
1983/05/23 List Of Changes To BrakeSavers{1155,1159}
1983/05/23 Use The 6V4930 Battery Load Tester To Test Batteries{0651}
1983/05/23 Double Lip Crankshaft Seal Helps Stop Oil Leakage{1161,3300}
1983/05/16 Increased Oil Flow To Front Bearings{3300}
1983/05/16 Reuse Of Engine Bearings{1230}
1983/05/16 Selection Of The Correct Battery For Use With Diagnostic Tools{1401,0650}
1983/05/16 Procedure To Clean Oil Passages In Crankshafts And Cylinder Blocks{0622,0675,1201,1202}
1983/05/16 New Specification For Clearance Between Fuel Rack Slot And Cross Link{1257}
1983/05/09 New Piston Ring Group Available For Higher Horsepower Applications{1215,1214,1213,1226}
1983/05/09 New Fuel Setting Information{0374,1257,1286}
1983/05/09 New Lower Radiator Hose{1380,1353}
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}
1983/05/30 Information Concerning Caterpillar XT Hose{7554,0374}
1983/05/30 Wellhead And Sour Gas Can Cause Shortened Service Life For Gas Engines{1000,1250}
1983/05/30 Installation Procedure For Bowl, Bucket And Ripper Tips{6805,6808}
1983/06/06 Reference Chart For Service Magazine Articles On Improvements To All 3300 Series Engines{0374}
1983/06/06 Dial Face Changed On 8S2263 Valve Spring Tester{1108}
1983/06/06 Remanufactured Alternators And Starting Motors Are Available{1405,1453}
1983/06/06 Removal Of TARP (Rust Preventive){0355,0670,1000,7000}
1983/06/06 New Oil Pressure Gauge Group Used{7418}
1983/06/20 6V7100 Combustible Gas Leak Detector And 6V7103 Calibration Kit Available{0651}
1983/06/20 Consist Lists Now Available For Conversion Of Direct Injection 3406 Truck Engines To Higher Horsepower Arrangements{1000}