New Fuel Nozzle Adapter Assembly Used{1106}
Usage:
All 3406, 3408 And 3412 D. I. Engines
Description of Change: New fuel nozzle adapter assemblies are used in the cylinder head groups on the above engines. The new adapter assemblies are made of a different steel alloy that will give a longer service life.
The former adapter assemblies have had crack failures. The former adapters were made of a lead steel alloy. Indications are that the lead in the steel caused the cracks.
Adaptable As: The new 1W7884 and 1W7885 Fuel Valve Adapter Assemblies are direct replacements for the former 9N5431 and 8N9457 Adapter Assemblies respectively. The former adapters have been canceled.
The new parts are in effect with the Serial Numbers shown in the chart.
Caterpillar Information System:
1982/02/15 Improvements To Differential, Differential Carrier, And Differential Lock{3258,3264,3280}
1982/02/15 New 6V4810 Tool Group Used To Service Vehicles Equipped With VE (Vehicular Environmental) Series Electrical Connectors In Electrical Harness{0610,0620}
1982/02/08 Use Microfiche Libraries For Up-To-Date Information{0374}
1982/02/08 New 6V4818 Driver Available To Install Rack Bearings In Fuel Injection Pump Housings{0622}
1982/02/08 New Alternator And Fan Support Bracket{1356,1357,1405}
1982/02/08 The Service Publications Information Feedback System{0374}
1982/02/08 New Piston Pin Retainer Used{1214,1225}
1982/02/08 Use Correct Setting For Check And Relief Valve{0374,5214,5057}
1982/02/01 Stronger Lock Used In Differential Group{3280}
1982/02/01 New Engine Testing And Adjusting Tools Give More Accuracy And Longer Service Life{0651}
1982/02/01 New Flywheel Assemblies Used{1156}
1982/02/01 Transmission Shift Points Different With Direct Injection Engine{3151,3150}
1982/02/15 Tools For Replacement Of 1M6762 Puller Ring To Remove Final Drive Outer Bearing Support{0621,4066}
1982/02/15 New Design Drain Tube For Transmission Solenoid Valve{3163,3167}
1982/02/15 Stronger Spanner Wrenches Now Available{0612,0613}
1982/02/15 Stronger Orifices Used In Control Valve{3167}
1982/02/22 New Water Pump And Rebuild Kit Available{1361}
1982/02/22 Difference Between Static And Dynamic Rack Settings Changed{0374,1257}
1982/02/22 Torque/Pressure Conversion Table For 6V200 Hydraulic Wrench{0614,0623}
1982/02/22 New Piston And More Springs Used In Transmission{3155,3170}
1982/02/22 Improved Bearing Used In Rear Power Takeoff Groups{3055}
1982/02/22 Use A Magnetic Chuck To Hold Parts On Work Bench{0626}
1982/02/22 Engine Storage; Engine Start-Up After Storage{1000}
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}