Receiver Dryer (Refrigerant) - Replace
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接触制冷剂会使人受伤。 接触制冷剂会造成冻伤。 让手、脸避开，有助于防止受伤。 制冷管路被打开时，即使压力计显示系统中已经没有制冷剂，也要始终戴着护目镜。 拆卸管件时，务必小心谨慎。 慢慢地拧松接头。 如果系统内仍有压力，就要把它缓慢地释放到一个通风良好的地方去。 通过燃着的香烟吸入制冷剂会使人受伤或死亡。 通过燃着的香烟或其他抽烟方法吸入空调制冷气体，或者，吸入空调制冷气体接触明火而形成的烟雾，都会造成对人体的伤害 或死亡。 维修空调时，或者，在任何可能存在制冷气体的地方都不要抽烟。 采用经过认可的回收和循环利用车妥善地从空调器中取出制冷剂。 |
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如果制冷系统在空气中暴露 （没有被塞住）超过 30 分钟，则储气罐 – 干燥器必须更换。 潮气会进入打开的制冷系统，引起锈蚀，从而导致部件损坏。 |
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| 图 1 | g03357157 |
制冷剂干燥器位于驾驶室后面板组件后面。
有关更换回收罐 - 干燥器组件以及回收制冷剂气体的正确步骤，请参阅维修手册 , SENR5664 , "Caterpillar 机器利用 R-134a 制冷剂的空调和暖气系统"。
Caterpillar Information System:
2013/04/22 An Improved Steering lines Group and Air Lines Group is Now Used on Certain D6N Track-Type Tractors {1071, 4104, 4133, 4304}
966H and 972H Wheel Loaders Steering System Piston Pump (Steering)
D10T2 Track-Type Tractor Fuses and Circuit Breakers - Replace/Reset
966H and 972H Wheel Loaders Power Train Solenoid Valve (Differential Lock)
C9.3 Engines for Caterpillar Built Machines Unit Injector Sleeve - Remove and Install
C4.4 and C7.1 Engines Intake Manifold Air Pressure Is Low
990K Wheel Loader Circuit Breakers - Reset
990K Wheel Loader Hoses and Clamps - Inspect/Replace
836K Landfill Compactor and 834K Wheel Dozer Operator Control Switch (Switch to Ground) - Test
990K Wheel Loader Cab Air Filter - Clean/Replace
C4.4 and C7.1 Engines Intake Manifold Air Pressure Is High
966M and 972M Wheel Loaders Power Train, Steering, Braking, Hydraulic & Machine Systems Relief Valve
D10T2 Track-Type Tractor Monitoring System
D-Series and D2-Series Compact Track Loaders (CTL), Multi-Terrain Loaders (MTL), and Skid Steer Loaders (SSL) Alert Indicators
990K Wheel Loader Radiator Core - Clean
980M Tier 4 and 982M Tier 4 Wheel Loaders Hood Panels (Front and Rear) - Remove and Install
Installation Instructions for 425-1892 Cold Weather Starting Ar for 966H and 972H Wheel Loader Machines{1450, 1450, 1456, 7610} Installation Instructions for 425-1892 Cold Weather Starting Ar for 966H and 972H Wheel Loader Machines{1450, 1450, 1456, 7610}
980M Tier 4 and 982M Tier 4 Wheel Loaders Belt Tensioner - Remove and Install
980M Tier 4 and 982M Tier 4 Wheel Loaders Alternator - Remove and Install
836K Landfill Compactor and 834K Wheel Dozer Sensor Signal (Analog, Passive) - Test
980M Tier 4 and 982M Tier 4 Wheel Loaders Fuel Priming Pump and Primary Filter (Water Separator) - Remove and Install
C9.3 Engines for Caterpillar Built Machines Flywheel - Remove and Install
980L Tier 3 Wheel Loader Engine Supplement Fuel Transfer Pump - Remove and Install
980M Tier 4 and 982M Tier 4 Wheel Loaders Fuel Manifold (ARD) - Remove and Install - Clean Emissions Module