New Fuel Bleed Valve Used{1262}
Usage:
776 Tractors, 777 Trucks
Description of Change: A new needle and seat assembly are used in the fuel filter group for the above machines. The new needle can not vibrate out of the seat which would allow fuel to flow onto the engine.
Adaptable As: The new 5N8991 Valve Assembly is a direct replacement for the former 2A1927 Needle Assembly and 7F3901 Seat.
Location of the new 5N8991 Valve Assembly on the fuel filter group.
Caterpillar Information System:
1982/11/08 Removal Of Hydraulic Override From Fuel Ratio Control{1278}
1982/11/01 Use A 1P90 Wheel Dolly With Repair Stands And Parts Rack Base{0645}
1982/11/01 New Crankshaft Seal Groups Used{1160,1161}
1982/11/01 6V6142 And 6V6143 Installers Can Be Used To Install Crankshaft Seals And Wear Sleeves{0622,0626,1160,1161}
1982/11/01 New Generators{4454,4457,4467}
1982/11/01 New Crankshaft Assemblies{1202,1204,1206,1207,1212}
1982/10/25 Reconditioning Of Oil Pump Covers{1304}
1982/10/25 New Guard Assemblies Used{1360,1381}
1982/10/25 Improvements To Generator-Mounted Control Panels{4450,7400}
1982/10/25 Cold Weather Engine Operation{1105,1208,1355,1380}
1982/10/25 Reference Chart for Engine Improvements{0374,1000}
1982/10/25 New 6V6080 Torque Multiplier Available{0614}
1982/11/08 Use 6V6147 Polishing Wheel To Clean Piston Pins{0675,1214}
1982/11/08 New Gears Will Decrease Noise Level{3304}
1982/11/08 6V6175 And 6V6176 Torque Adapters Make Installation Of Fuel Pump Drive Gear Easier{1206,1272,0614}
1982/11/08 Fabricated Adapter Will Fasten Hydraulic Cylinders To Test Stands{0626,0665,5000}
1982/11/08 Do Not Center-Tap Batteries In 24-Volt System To Operate 12-Volt Accessories{1400,7300}
1982/11/08 Mechanical Shutoff Groups Changed To Prevent Vibration Of Oil Line Tubes{7418}
1982/11/08 High Compression Pistons Can Be Used In Engines Used At High Altitudes{1214}
1982/11/15 Make Change To 6V2100 Multitach And 5P9698 Calibrator{0651}
1982/11/15 Crankshaft Has Step At Front Of No. 1 Main Bearing Journal{1202}
1982/11/15 Repair Kits Available For Air Compressor{1803}
1982/11/22 6V4869 Adapter And 6V6174 Plug Can Be Used To Install Camshaft Bearings{1211,0621}
1982/11/22 Use the 6V6167 Contact Point to Measure Wear Steps on Piston Pins{0653}