Accumulator
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| Illustration 1 | g02326173 |
Note: 230-3489 Pilot Oil Accumulator Gp is the field replacement for 226-0420 Pilot Oil Accumulator Gp .
Charging medium ... Dry nitrogen
226-0420 Pilot Oil Accumulator Gp Precharge pressure ... Uncharged
230-3489 Pilot Oil Accumulator Gp Precharge pressure ... 900 ± 100 kPa (130 ± 15 psi)
Service pressure ... 7200 kPa (1044 psi)
Bursting pressure ... 82740 kPa (12000 psi)
Maximum working temperature ... 110 °C (230 °F)
Minimum working temperature ... −30 °C (−20 °F)
(1) Torque ... 20 ± 1 N·m (15 ± 1 lb ft)
(2) Installation torque ... 30 ± 5 N·m (22 ± 4 lb ft)
Caterpillar Information System:
2010/11/08 Improved Housing on Steering Control Group for the 583T Pipelayer {3033}
2010/12/16 A New Exhaust Plug Is Used on Certain C18 Engines {1058, 1061}
770G and 772G Off-Highway Truck Engine Starting with Jump Start Cables
16M Series 3 and 18M Series 3 Motor Graders Stopping the Machine
Reconditioning Procedure for Seal Ramps on Inverted Style Idler and Roller Shafts {0729, 4150, 4154, 4159, 6433, 7561} Reconditioning Procedure for Seal Ramps on Inverted Style Idler and Roller Shafts {0729, 4150, 4154, 4159, 6433, 7561}
120 and 120 AWD Motor Grader Restricted Visibility
120M Series 2, 12M Series 2, 140M Series 2 and 160M Series 2 Motor Graders Fuel Tank Water and Sediment - Drain
Improper Torqued Connector on the 0R-1015 Water Pump Gp for Certain 3116 and 3126B Engines{1361} Improper Torqued Connector on the 0R-1015 Water Pump Gp for Certain 3116 and 3126B Engines{1361}
2010/11/18 Stiffer Cab Mountings Available for Certain Backhoe Loader Machines {7301}
C15 and C18 Tier 4 Final Engines Fuel System Pressure - Test
770G and 772G Off-Highway Truck Towing With Power Train Failure
770G and 772G Off-Highway Truck Towing With Inoperable Engine
C15 and C18 Tier 4 Final Engines Water Temperature Regulator - Test
587T Pipelayer Hydraulic System Location of Components (Fan System)
3406C Industrial Engine Reference Information
770G and 772G Off-Highway Truck Engine Starting with Auxiliary Start Receptacle
"White Layer Flaking" of Transfer Gears in Off-Highway Trucks and Tractors{3159} "White Layer Flaking" of Transfer Gears in Off-Highway Trucks and Tractors{3159}
Salvage and Reuse of Final Drive Axle Bearings Used in Off-Highway Trucks/ Tractors and 990 to 994 Wheel Loaders {4050, 4051} Salvage and Reuse of Final Drive Axle Bearings Used in Off-Highway Trucks/ Tractors and 990 to 994 Wheel Loaders {4050, 4051}
Reusability of Rear Final Drive Splines on 769 to 784 Off-Highway Trucks{3259, 4050, 4051} Reusability of Rear Final Drive Splines on 769 to 784 Off-Highway Trucks{3259, 4050, 4051}
Transmission, Torque Converter, and Final Drive Updates for 768C through 793C Off-Highway Trucks{3001, 3030, 4050} Transmission, Torque Converter, and Final Drive Updates for 768C through 793C Off-Highway Trucks{3001, 3030, 4050}
770G and 772G Off-Highway Truck Capacities (Refill)
Installing the 350-9038 Air Conditioner and Heater Installation Kit (Conversion){1802, 1805, 1808, 7174, 7304, 7320, 734D} Installing the 350-9038 Air Conditioner and Heater Installation Kit (Conversion){1802, 1805, 1808, 7174, 7304, 7320, 734D}
992K Wheel Loader Electrohydraulic System Pressure Sensor (Lift Cylinder Head End Oil)
Realignment of The Air Conditioner Compressor Pulley on 793F, 795F and 797F Off-Highway Trucks{1802} Realignment of The Air Conditioner Compressor Pulley on 793F, 795F and 797F Off-Highway Trucks{1802}