New Idler Shaft Used In Fuel Transfer Pumps{1256}
Usage:
All 3406, 3408 and 3412 Engines
Description of Change: A new idler shaft is used in the fuel transfer pump groups for 3406, 3408 and 3412 Engines. The new shaft is made of steel. The former shaft was made of powdered metal. The new shaft will give a longer service life.
Adaptable To: The new idler shaft is a direct replacement for the former idler shaft as shown in the chart.
Location of idler shaft in fuel transfer pump group.
Caterpillar Information System:
1982/02/22 Use 6V6035 Hardness Tester On Crankshafts{0651,1202}
1982/02/22 Screen Added To Oil Lines At Inlet Of Brake And Torque Converter Oil Cooler{1366,1365,1375,1376,3103,3154,3179,4257,4304,5057,5068}
1982/02/22 Engine Storage; Engine Start-Up After Storage{1000}
1982/02/22 Use A Magnetic Chuck To Hold Parts On Work Bench{0626}
1982/02/22 Improved Bearing Used In Rear Power Takeoff Groups{3055}
1982/02/22 New Piston And More Springs Used In Transmission{3155,3170}
1982/02/22 Torque/Pressure Conversion Table For 6V200 Hydraulic Wrench{0614,0623}
1982/02/22 Difference Between Static And Dynamic Rack Settings Changed{0374,1257}
1982/02/22 New Water Pump And Rebuild Kit Available{1361}
1982/02/15 Stronger Orifices Used In Control Valve{3167}
1982/02/15 Stronger Spanner Wrenches Now Available{0612,0613}
1982/02/15 New Design Drain Tube For Transmission Solenoid Valve{3163,3167}
1982/03/01 Shorter Bolts Used In Four Locations To Fasten Piston Motor Head To Body{3201,4351,5058}
1982/03/01 New Gasket Used In Governor And Fuel Injection Pump Group{1259,1286}
1982/03/01 New 6V4180 Off-Engine Lifter Setting Tool Group{0654}
1982/03/08 Resurfaced Cylinder Blocks And Heads{1201,1101,1000}
1982/03/08 Reconditioning of Bridge Wear Seat Is Permitted; Will Prevent Bridge Replacement When Not Necessary{1100}
1982/03/08 New Adapters And O-Ring Seals Used In Aftercooler Group{1063}
1982/03/08 Reminder: Operation Of Track-Type Tractors And Pipelayers On Steep Slopes{3067,3179,4107}
1982/03/08 Correct Lubrication Procedure Will Prevent Damage To Fan Drive{1359,0374,0375}
1982/03/08 Improved Circle Drive Housing{5207}
1982/03/15 More Flexible Hose For Use With Hydraulic Flowmeter{0651,5050}
1982/03/15 New Crankshaft Has Wider Main Journals; Wider Main Bearings{1202,1203}
1982/03/15 Difference Between Static And Dynamic Rack Settings Changed{0374,1257}