1999/03/08 Caterpillar

New Seal Installers For Mid-Rollers And Idlers {4159,4180}

Usage:

VFS-50 (8XK),
VFS-70 (7XN) Challenger Trailers

Warranty Category: G

Features/Benefits

* Simplifies installation of seals in mid rollers and idlers

* Decreases possibility of damage during installation

Specifications/Technical Information

156-1029 Seal Driver Group - used on 153-6420 Seal on VFS-50 Challenger Trailer mid rollers

156-1030 Seal Driver Group - used on 140-6344 Seal on VFS-50 and VFS-70 Challenger Trailer idlers

156-1032 Seal Driver Group - used on 153-6421 Seal on VFS-70 Challenger Trailer mid rollers

Typical Seal Driver

Reference

Service Manual Module: RENR1642; Versatile Flotation System Disassembly and Assembly

Caterpillar Information System:

1999/03/08 Use 155-1557 Gauge For Scraper Adjustment On Cast Steel Drive Wheels {4199,0766}

1999/03/08 Software Improvements {7620}

1999/03/01 New Tie-Down Available For Asphalt Paver{6600,6100,6300}

1999/03/01 New Water Pumps With Improved Resistance To Shock Loads Used{1361}

1999/03/01 New Flywheel Housing Gasket For 3406 Machine Engines{1157}

1999/03/01 Improved Brake Switch Now Used{4262,1408}

1999/03/01 Supplement To Correct Manual Modulation Pedal Adjustment{3059,3071}

1999/03/01 Special Instruction, REHS0103-01, Available For Procedure For Dynamometer Test For Power Take-Off{3107}

1999/03/01 Fan Pulley/Adapter Changes Summarized{1356,1384,1359}

1999/03/01 Stronger Floatpin Design Available{5102,7120}

1999/02/22 Shielded Metal Arc Welding And Flux Cored Arc Welding Information {0679}

1999/02/22 New Radiator And Oil Cooler Mounting Configuration {1350}

1999/03/08 Supplement To Add Fill Instructions On All Wheel Drive Pump In D&A Manual {3203}

1999/03/08 Supplement To Add Fill Instructions On All Wheel Drive Pump In OMM Manual {3203}

1999/03/08 New Basic Fuel Transfer Pump Group Includes New Outer Lip Type Seal {1256}

1999/03/08 Use FT2593 Spanner Wrench To Rotate Concentric Pin To Align Pipelayer Frames {7052}

1999/03/08 Improved Exhaust Tubes Now Used On Off-Highway Trucks {1061}

1999/03/08 New Steering Column Bearing Kit Available For Off-Highway Trucks {4310}

1999/03/08 New Muffler Reduces Cab Noise {1062}

1999/03/08 Use 151-7537 Adapter Bracket Assembly And 150-3978 Lifting Bracket Assembly As Pod Removal And Installation Tool {6605}

1999/03/08 Use 157-3719 Spanner For Removing And Installing Bosch Fuel Pumps {1251}

1999/03/08 Use 170-9227 Reamer Shims To Aid In Reaming Engine Injector Sleeves {1254}

1999/03/08 Use 138-8447 Aerosol Rust Preventative As A Corrosion Inhibitor {0645}

1999/03/08 New 150-7762 And 150-7745 (Trailer Mounted) Hot Water Pressure Washers For Cleaning Large Components {0680}