Proper Retrofitting Of Air Conditioning Refrigerants{7320}
Usage:
Caterpillar Machines Equipped With Air Conditioning
R-134a is the only refrigerant recommended to replace R12 refrigerant. The only adapters available for retrofitting an air conditioning system currently using R12 are designed to be used with R-134a. Use of any other refrigerant may contaminate the recovery system. Before converting from R12 refrigerant to R-134a, refer to Special Instruction SEHS9734.
Caterpillar Information System:
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}
1996/11/11 New Crankcase Guard Provides Increased Resistance To Damage{7151}
1996/11/11 Hydraulic Oil Additive Used That Eliminates Noise In Differentials {3263}
1996/11/11 New Material Increases Service Life Of Brake Hubs{4215,4208,4201}
1996/11/11 Special Instructions SEHS9896, REHS0037 And REHS0038 Available For Installation Of A Bolt-On Ball On Early Drawbars{6153,6157,6170,6171}
1996/11/11 Longer Battery Cable Now Used To Prevent Interference With Starting Motor Cover{1401}
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}
1996/11/18 New Compressor Cover Reduces Turbocharger Noise{1060,1052,1801}
1996/11/18 Serviceable Parts Available For Cab Rear Access Panel{7300,7301,7329,6331}
1996/11/18 Stronger Screen In Hydraulic Tank Improves Service Life{5056}
1996/11/18 An Improved Suspension Control Valve Increases Ease Of Operation{7214}
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}