1979/04/23 Caterpillar

Dowtherm Test Strips No Longer Available{0651,1350}

Usage:

The publication "Know Your Cooling System", Form SEBD0518 has reference on Page 9 to "Dowtherm Test Strips".

The Dowtherm Test Strips (Part No. 1210), which have been used in the past to check the concentration of corrosion inhibitor in coolant, are no longer available from Dow Chemical.

Test strips, which can be used to check Nalcool 2000 or Caterpillar 3P2044 Corrosion Inhibitor, are available from Nalco Chemical Co. distributors. These test strips are to be used only when testing coolant that has Nalcool 2000 or Caterpillar 3P2044 Corrosion Inhibitor. The strips are packaged fifty (50) per bottle with instructions for their use.

NOTE: If you do not know the location of the nearest Nalco distributor, write to Nalco Chemical Co., Butterfield Road, Oak Brook, Illinois, 60521 or call 312-887-7500, Extension 1259 for this information.

Caterpillar Information System:

1979/04/23 New Retaining Rings Used In Planetary Groups For Power Shift Transmissions{3176,3150}

1979/04/23 New Oil Cooler Bonnets Used On 3408 And 3412 Engines{1378,1354,1380}

1979/04/23 Careful, Correct Installation And Maintenance Of Fuel Injection Lines Is Very Important To Prevent Possible Engine Damage, Fire And Other Problems{1252}

1979/04/23 Dampeners Added To Steering Brake Group To Prevent Noise From Vibration Of Brake Band Assembly{4110}

1979/04/23 New Retainer Used Between Bolt And Gear In The Torque Converter{3101}

1979/04/23 Two Bolts Have Been Added At The Junction Of The Converter And Retarder Housing To Prevent O-Ring Seal Damage{3109}

1979/04/16 Different Type Brake Lining In Steering Brake Group; Higher Oil Level Used With New Lining{4110,3004}

1979/04/16 New Flywheel Clutch Uses Three Driven Discs Instead Of Two; Must Be Used Only With New Flywheel{3052,3054,1156}

1979/04/16 90° Elbows On Quick Disconnect Couplers Make Installation Easier{0690}

1979/04/16 Longer Self-Locking Bolts Now Used To Hold The Parking Brake Group To The Bearing Retainer{3161,3275,4267}

1979/04/16 How To Extend The Service Life Of 1P5550 Fuel Cam Locking Tool Assembly{0654,1250}

1979/04/16 Hydraulic Accumulator Now Used In Lines Group For Draft Frame{5077,5057,5314,5055}

1979/04/23 Reinforcement Of Draft Frame Gooseneck To Prevent Cracks{6220,6209,6207}

1979/04/23 New Metering Pump In Steering System Has Improved Internal (Inside) Seals{4306}

1979/04/30 The 6B5067 Race And Roller Assembly, Used In Final Drive Group, Can Be Either Of Two Designs{4050,4091}

1979/04/30 New " Drive 6V94 Universal Joint Is Available{0612,1253}

1979/04/30 2P8316 Dowel Now Available For Parts Service{0652}

1979/04/30 The Service Life Of A Power Shift Transmission Is In Direct Relation To The Maintenance Of Its Lubrication System{3004,3179,3150}

1979/04/30 If Loose Bolts Are A Problem, A Modification Can Be Made To The Plate Used To Hold The Leveling Valve For The Cushion Hitch{5313,7107}

1979/04/30 New Ring Gears Used In Flywheel Assemblies{1158}

1979/04/30 6V98 Socket Available To Remove Or Install Tachometer Drive Dowel In Engine Camshaft On D3 Tractors, 910 and 931 Loaders{0612,1210,7462}

1979/04/30 Seals (Double-Lip Type) Made Of Viton Material Are Now Used In Vickers Pumps Which Have Steel-Backed Bronze Plates Between Rotor And End Plates{5055}

1979/04/30 Improved Gasket Now Used Between The Flywheel Housing And The Cylinder Block{1157,1201}

1979/04/30 New Design Exhaust Gasket Used In Air Lines Group{1061}