1978/02/13 Caterpillar

Check Degree Number On Timing Fixture Plate Assemblies{0650}

Usage:

D8H and D8K Tractors;
583H and 583K Pipelayers Equipped with Compact Fuel Systems

The 3P2239 and 5P4240 Timing Fixture Plate Assemblies are used to adjust the timing of the accessory drive shaft to the engine with the fuel pump housing and governor removed. Some of these assemblies have the wrong degree number on the bottom of the fixture plate. The correct number for the 3P2239 Timing Fixture Plate Assembly which is used on D8H Tractors and 583H Pipelayers with compact fuel systems is 16.5°. The correct number for the 5P4240 Timing Fixture Plate Assembly which is used on D8K Tractors and 583K Pipelayers with compact fuel systems is 14.3°. Check both of these assemblies to be sure the degree number is correct. Change the number if it is necessary.

Caterpillar Information System:

1978/02/13 Strip Added Under The Hinge For The Front Windshield On ROPS Cabs{7325}

1978/02/13 Improvements Made To Push Frame; Instructions To Make Reinforcements On Earlier Push Frames Available{6225}

1978/02/13 Several Improvements Made To Lines Group In Area Of The Hitch{5057,5077}

1978/02/13 Complete Set Of Contact Points For Dial Indicators Is Now Available In One Group{0653}

1978/02/13 Replacement Seal Group For Water Pump Impeller Now Has All The Seal Parts Plus An Installation Tool{1361,0622}

1978/02/06 Probable Causes Of Low Fuel Delivery During Testing On Fuel Injection Test Benches{0650,1250}

1978/02/06 New Water Temperature Regulator Opens At 180°F (82°C){1350,1355,7304}

1978/02/06 Successful Engine Service-3208 Engine Booklet Is Available{1000}

1978/02/06 Stronger Clutch Housing Used In Variable Capacity Torque Converter{3102}

1978/02/06 Add New Measurement And Identification To FT904 Backlash Indicator{0653,3258}

1978/02/06 Adjustment Of Track Tension On Machines With One Carrier Roller Per Side{4150}

1978/02/06 Silicone Sealant Is Now Used To Keep Water Out Of The Steering Clutch Case{4059,4100,4106,4115}

1978/02/20 New Transmission Valve Groups Increase Winch Line Pull When Transmission Is In Neutral{3150,3152,3157,3167,3100}

1978/02/20 Separate Parts Of Tire Valve Group Now Available For Parts Service{4202}

1978/02/20 Reinforcements For Front Frame{7051}

1978/02/20 Improved Lift Arm And Service Brace Now Used{0643,5102,6119}

1978/02/20 Muffler Mounting Group Now Used To Give More Support To Muffler{1062}

1978/02/27 Use New Thickness Gauge To Check For Reusability Of Transmission Disc Assemblies Made From F37 Clutch Friction Material{0653,3155}

1978/02/27 New Hose Assembly Used In Oil Lines Group For Brake Cooling{3154,4100}

1978/02/27 New Oil Specifications For Gearmatic Winches{5163}

1978/02/27 New Seal Assembly With Longer Ferrule Prevents Damage To Ferrule During Cylinder Head Installation{1100,1101,1300}

1978/02/27 Higher Capacity Bearing Used On Final Drive Pinion; Gives Increased Service Life{4091}

1978/02/27 Fabricated Adapters Permit Horizontal Mounting Of Transmissions On 1P2420 Transmission Repair Stand{0640}

1978/02/27 New Cleaner Bar Assemblies For The Track Are Stronger{4150}