Quieter Operating Check Valve Used In Tank Return Line {5067,5129}
Usage:
428B (7EJ),
438B (3KK) Backhoe Loaders
Description of Change: A new check valve group used in the tank return line is quieter during operation.
Adaptable To: The new 129-1555 Check Valve Group is a direct replacement for the former 113-1984 Check Valve Group used in 119-1035 and 119-1221 Hydraulic Lines Groups.
The new check valve group is effective with 428B (7EJ8208) and 438B (3KK3421) Backhoe Loaders. The new check valve group is adaptable to 428B (7EJ4254-8207) and 438B (3KK1614-3420) Backhoe Loaders.
Caterpillar Information System:
1996/10/14 New Poppet Valve Group Used In Lines Relief Valve Groups To Prevent Excessive Implement Drift {5117}
1996/10/14 Improved Alternator Adjustment Strap And Retention Hardware Used To Maintain Belt Tension {1405}
1996/10/07 Parts Manuals May List Air Conditioning Compressors Incorrectly {1802,1809,7320}
1996/10/07 Effectivity Of Upgrades To Remanufactured Transmissions, Torque Converters And Wheel Assemblies {3001,4051}
1996/10/07 New Fuse Cap Available {1417}
1996/10/07 Special Instruction SEHS9983 Available For Installation And Adjustment Of Truck Body {7258}
1996/10/07 New Hoist Rotary Switch Assembly Used To Increase Reliability {1400}
1996/10/07 New Temperature Sensors Used To Monitor Oil Temperature In The Differential Housing {7601,3067}
1996/10/07 New Boot For Pilot Valve Group Improves Lever Movement For Hoist Control {5059,5136}
1996/10/07 New Material Used In Front Wheels To Increase Service Life {4201,4200,4208}
1996/10/07 Service Manual Module Revisions Available {0374}
1996/09/30 Improved Water Pump Groups Available{1361}
1996/10/14 New Splined Boom Foot Pins Used For Improved Lubrication {6504}
1996/10/14 Stronger Baffle Tube Assembly For Hydraulic And Transmission Tank {5056}
1996/10/14 New Seals Available In Seal Kit For Steering Pump Groups And Hoist Pump Group To Improve Service Life {5073,5083,4306}
1996/10/14 Guide Assemblies From Body Mounting Group Are No Longer Necessary On The Truck Rails To Reduce Stresses In The Frame {7258}
1996/10/14 New Instrument Panel Lamps Used To Prevent Film Damage {7451}
1996/10/14 A New Hoist, Retarder, And Turn Signal Levers Now Used To Prevent Loosening {1430,3121}
1996/10/14 Brake Actuator Spring Now Serviced {4262}
1996/10/14 New Front Suspension Arms Now Used To Increase Service Life {7200}
1996/10/14 Improved O-Ring Seal On Turbocharger Drain Tubes {1052}
1996/10/14 Alternator Circuit Breaker May Cause Loss Of Joystick Operated Functions {1420}
1996/10/14 Improved Mounting For Transmission Oil Filler Tube Prevents Tube Cracking {3014}
1996/10/14 Make Sure Brake Hose Is Clear Of Engine Oil Pan {4257}