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 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 New Main Bearings And Connecting Rod Bearings Have Thicker Layer Of Surface Material{1230,1203,1219}
1982/02/22 Use The Correct Governor For Parallel Applications{1289,1264}
1982/02/22 New Poppet Valve Will Decrease Chatter{3313}
1982/02/22 Improved Bearing Used In Rear Power Takeoff Groups{3055}
1982/02/22 Torque/Pressure Conversion Table For 6V200 Hydraulic Wrench{0614,0623}
1982/02/15 Stronger Spanner Wrenches Now Available{0612,0613}
1982/02/15 New Fuel Nozzle Adapter Assembly Used{1106}
1982/02/15 New Camshaft Has Improved Profile (Shape) Of Exhaust Cams{1210}
1982/02/15 Hose Assembly Moved To A New Position{1274}
1982/03/01 Brass Plug Used To Prevent Corrosion{3320}
1982/03/01 New Gasket Used In Governor And Fuel Injection Pump Group{1259,1286}
1982/03/01 New Marine Gear Groups Have New Clutch Plates{3302}
1982/03/08 New Double-Wall Fuel Injection Lines Group And Fuel Drain Group Available As Attachments For Protection Against Fuel Leakage{1252,1254,7400}
1982/03/08 Reconditioning of Bridge Wear Seat Is Permitted; Will Prevent Bridge Replacement When Not Necessary{1100}
1982/03/08 Heavy Duty Air Cleaner Available, With Precleaner And Automatic Dust Ejector{1051,1055,1061,1062}
1982/03/08 New Adapters And O-Ring Seals Used In Aftercooler Group{1063}
1982/03/08 Correct Lubrication Procedure Will Prevent Damage To Fan Drive{1359,0374,0375}
1982/03/15 More Flexible Hose For Use With Hydraulic Flowmeter{0651,5050}
1982/03/15 New Diaphragm Used In Fuel Ratio Control{1278}
1982/03/15 Use The 6V6059 Microlite With The 6V2196 Inspection Microscope{0651}
1982/03/15 New Oil Pump Outlet Elbow Is Stronger{3314,3310}