Gear Pump (Steering Oil Cooler) (Steering Pilot)
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| 图 1 | g01450247 |
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| 图 2 | g01459128 |
部件位置 (1) 转向活塞泵 (2) 转向先导齿轮泵 | |
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| 图 3 | g01459131 |
测压口的位置 (A) 转向先导齿轮泵测压口 | |
转向先导齿轮泵 (2) 位于操作员驾驶室后面的泵区域，连接到转向活塞泵 (1) 末端。 泵 (2) 是一个将齿轮泵供至转向先导系统的齿轮泵。
另外，转向先导齿轮泵 (2) 使机油在转向和制动系统的液压油箱内循环。 机油通过机油滤清器循环，以除去系统内的污染。 机油也通过油冷却器循环，以便防止转向系统和制动系统过热。
Caterpillar Information System:
994F Wheel Loader Pump Drive (Rear) from Engine - Separate
993K Wheel Loader Electrohydraulic System Piston Pump Margin Pressure (Hydraulic Fan) - Test and Adjust
992K Wheel Loader and 854K Wheel Dozer Power Train Trunnion Support (Oscillating Axle, Front) - Remove
993K Wheel Loader Engine Supplement Engine - Remove
AD55B Underground Articulated Truck C27 Engine Supplement Bottom Guard (Engine) - Remove and Install
AD55B Underground Articulated Truck Power Train Drive Shaft (Upper) - Remove and Install
992K Wheel Loader Machine Systems Control Valve (Tilt Regeneration) - Assemble
992K Wheel Loader Machine Systems Control Valve (Tilt Regeneration) - Disassemble
992K Wheel Loader Machine Systems Control Valve (Tilt Regeneration) - Install
992K Wheel Loader Machine Systems Control Valve (Tilt Regeneration) - Remove
854K Wheel Dozer Service Brake Wear Indicator - Check
2008/01/21 New O-Ring Seal and an Improved Cover for the Diverter Valve {5066, 5304}
2007/12/31 A New Calibration Procedure is Now Available {4269}
2008/01/28 New Driveline Components Improve Service Life of Wheel Loaders {3253, 3267}
992K Wheel Loader and 854K Wheel Dozer Braking System Brake System Troubleshooting
2008/02/11 The Improved Software for the Autolube {7540, 7610, 7620}
994F Wheel Loader Pump Drive (Rear) to Engine - Connect
993K Wheel Loader Electrohydraulic System Pump Performance (Implement) (Lift Time) - Test
992K Wheel Loader and 854K Wheel Dozer Power Train Trunnion Support (Oscillating Axle, Front) - Install
Failed Relays are Reported in the Secondary Steering System{4493, 7620} Failed Relays are Reported in the Secondary Steering System{4493, 7620}
992K Wheel Loader and 854K Wheel Dozer Power Train Trunnion Support (Oscillating Axle, Front) - Disassemble
992K Wheel Loader and 854K Wheel Dozer Power Train Trunnion Support (Oscillating Axle, Front) - Assemble
993K Wheel Loader Power Train Torque Converter Stall (3FWD) - Test
854K Wheel Dozer Oil Renewal System Oil - Add - If Equipped