New Metering Pump In Steering System Has Improved Internal (Inside) Seals{4306}
Usage:
988B, 992C Loaders
Description of Change: A new basic metering pump group is used in the steering control group for 988B and 992C Loaders. The new metering pump has internal (inside) seals of an improved design to prevent oil leakage.
Adaptable As: The new 3G7595 Metering Pump Group (Basic) is a direct replacement for the former 8J429 Metering Pump Group (Basic), which is canceled.
Caterpillar Information System:
1979/04/23 Reinforcement Of Draft Frame Gooseneck To Prevent Cracks{6220,6209,6207}
1979/04/23 Dowtherm Test Strips No Longer Available{0651,1350}
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}
1979/04/30 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}
1979/04/30 Scraper Starting System Now Separate From Tractor System{1450,1402}
1979/04/30 New Wear Guard For Final Drive Case, With Hardened Flat Washers And Increased Torque To Keep Guard Mounting Bolts Tight{4059}