1998/02/09 Caterpillar

New Shaft Seals Available For Gear Type Hydraulic Pump Groups To Prevent Leakage {5073}

Usage:

Various Caterpillar Equipment using Gear Type Hydraulic Pump Groups

Typical gear pump group. (1) Lip-Type seal.

New shaft seals are available for gear type hydraulic pump groups. The new shaft seals, rubber coated on the outside diameter of the shell, have an improved lip to withstand higher pressures. These improvements reduce leakage from the shaft seal.

The new 139-3213 Seal is a direct replacement for former 6V-1899 Seal-Lip Type.

The new 139-5900 Seal-Lip Type is a direct replacement for former 5P-9597 Seal-Lip Type, and former 114-1953 Seal-Shaft.

Installation Of New Lip-type Seals

NOTE: Apply a light coating of high temperature grease to the outside diameter of the seals. Install back-to-back with the spring loaded members opposite each other.

Show/hide table

Do not use Loctite® when installing seals.

Caterpillar Information System:

1998/02/09 Replacements Products Available For 4C-4079 Brake And Component Cleaner {0680}

1998/02/09 8N-4617 Air Cleaner Clamp Kit Available {1051}

1998/02/09 New Fan Drive Group (Variable Speed) Provides Increased Service Life {1359}

1998/02/09 Machines Equipped With Snow Tires Can Prevent Fender Damage {3013}

1998/02/09 VIMS Internal Back-Up Battery Life Expectancy And Replacement Procedure {7601}

1998/02/09 Longer Steering Hose Assembly Eliminates Rubbing {4304}

1998/02/09 Exhaust Bypass Group Changes Provide Improved Reliability, Performance, And Serviceability {1057}

1998/02/09 Additional Brake Studs Are Required To Increase Brake Pressure On Certain Off-Highway Trucks {4061}

1998/02/09 Process Changes Result In Improved 3500 Engine Remanufactured Connecting Rod Assembly {1218}

1998/02/09 New Tie Rods And Spindle Assemblies Improve Service Life {4329,3282}

1998/02/09 Windshield Installation Instructions For 24H Motor Graders {7310,7320,7301}

1998/02/09 Improved Limited Slip Differential Thrust Washers And Hardened Discs Improve Service Life {3263}

1998/02/09 Proper Reading Of LCD Service Meters {7450,7478,7480}

1998/02/09 Replacement Available For 7M-7260 Liquid Gasket {0648,0649,0651}

1998/02/16 Chrome Tension Cylinder Rods Are More Durable And Improve Seal Life {4197}

1998/02/16 24H Motor Grader Windshield Wiper Now Serviced {7305}

1998/02/16 Special Instruction, SEHS9364-02, "Off-Highway Truck Rear Wheel Salvage", Is Now Available {0374,4208}

1998/02/16 Procedure For Engine Pre-Lubrication System Bypass On Certain Off-Highway Trucks {1469}

1998/02/16 Improved Bearings Used In Transmission Planetary Groups On Certain Off-Highway Trucks {3160,3186}

1998/02/16 Cold Cylinder Cutout Strategy Added To The Electronic Control Module (ECM) Software {1902}

1998/02/16 Track Alignment Procedure {4198}

1998/02/16 Air Bleed Procedure For Track Tensioning Ram Equipped With The Field Update Kit {4197}

1998/02/16 Proper Remote Air Bleed Installation Procedure For Machines Equipped With MTS Track Systems {4197}

1998/02/16 Be Sure To Use The Correct Inlet And Exhaust Valves In Engines Equipped With Valve Bridges That Do Not Ride On Dowels {1105,1121}