An Improved Suspension Control Valve Increases Ease Of Operation{7214}
Usage:
D250E (5TN),
D300E (7FN),
D350E (9LR),
D400E (2YR) Articulated Trucks
Description of Change: An improved suspension control valve has a new wheel type handle design and will not loosen as the former tee type did.
Adaptable To: The improved 7U-9988 Suspension Control Valve Group is effective with D250E (5TN619), D300E (7FN342), D350E (9LR145), and D400E (2YR224) Articulated Trucks.
Improvements can be made to existing suspension control valves, which are the same part number, by removing the tee handle, cleaning the retaining screw, adding either 9S-3263 Compound or 4C-4030 Compound to the retaining screw, and installing handle and retainer screw.
Caterpillar Information System:
1996/11/18 Stronger Screen In Hydraulic Tank Improves Service Life{5056}
1996/11/18 Serviceable Parts Available For Cab Rear Access Panel{7300,7301,7329,6331}
1996/11/18 New Compressor Cover Reduces Turbocharger Noise{1060,1052,1801}
1996/11/11 Improved Fuel Pump Plunger Helps Prevent Plunger And Sleeve Scuffing In Service 8.5 mm Fuel Injection Pump Assembly For Sleeve Metering Fuel System (SMFS) Governor And Fuel Injection Pump Groups{1251,1286}
1996/11/11 Proper Retrofitting Of Air Conditioning Refrigerants{7320}
1996/11/11 New Air Conditioner Evaporator Coil Improves Service Life{7343}
1996/11/11 New Threaded Gland Cylinder Heads Have Stronger Seal Land{7562,4303,5102,5104,5105,5223,5229,5265,5452}
1996/11/11 Service Replacements For Discontinued Piston Pump Groups{5070}
1996/11/11 Follow Correct Maintenance Procedure To Extend Drum Drive Gear Reducer Service Life{5655}
1996/11/11 Incorrect Electronic Control Service Codes Film{1901}
1996/11/11 Foot Rest Has Been Added To Improve Operator Comfort{7301,7265}
1996/11/11 New Cover Plates For Rear Of Headlight Guards Protect Wiring From Damage{7182}
1996/11/18 Special Instruction REHS0018 Available For Installation And Adjustment Of Truck Body {7258}
1996/11/18 New Brake Adjustment Procedure For Improved Inching Ability {3162,4115,4250}
1996/11/18 New Stud Available For Gear Pump Group{5073}
1996/11/18 Radiator And Oil Cooler Mounting Improved{1351}
1996/11/18 Measure Vibration Of Vibratory Compactor Drums With Hand Held Meters{7471,0783}
1996/11/18 New Service Parts For The Front And Rear Drive Shaft Groups For Improved Reliability{4074}
1996/11/25 Special Instruction, SEHS9926, "Installation of Turbocharger Debris Shields" Available {7263,7154,7158}
1996/11/25 Rotate 8Y-6388 Louver Assemblies in Heater Group to Improve Service Life {7304,7309}
1996/11/25 Install Additional 8Y-6388 Louver Assemblies to Improve Defogging of Cab Windshield {7304,7309,7310,7451}
1996/11/25 Blade Lift Cylinder Improved {5102}
1996/11/25 Dowel, Pin or Piston Limits Poppet Valve Movement In Relief Valve Groups {5072}
1996/11/25 Inspection of Tire Stems When Using Calcium Chloride Ballast Prevents Tire Failures {4203,4231,4207}