General Information (HVAC System)
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| 图 1 | g03397535 |
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(1) HVAC 鼓风机马达
(2) HVAC 鼓风机驱动器 (3) 远程安装式冷凝器 (4) 继电器 (5) 制冷剂压缩机离合器 (6) 水阀旋转执行器 (7) 电子控制模块 (8) 制冷剂回路 (9) 驾驶室温度传感器 (10) 通风口温度传感器 (11) 蒸发器冷冻探针 (12) 控制面板 | |
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| 图 2 | g06032116 |
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电气示意图 (1) HVAC 鼓风机马达 (4) 继电器 (5) 制冷剂压缩机离合器 (6) 水阀旋转执行器 (7) 电子控制模块 (8) 制冷剂回路 (9) 驾驶室温度传感器 (10) 通风口温度传感器 (11) 蒸发器冷冻探针 (12) 控制面板 | |
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| 图 3 | g03577500 |
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HVAC 系统的位置 | |
hvac 系统的主要部件位于机器右侧，驾驶室外的护罩下。 HVAC 控制系统和导管位于驾驶室内。
这些系统旨在为机器操作员在多种环境下提供舒适温度。 两个系统均为闭路系统，通过在提供到操作台的系统油液和空气之间交换热量工作。 空调系统中的油液是制冷剂，加热系统中的油液是发动机冷却液。 在空调系统中，热量从热驾驶室空气 转换为蒸发器中的冷制冷剂。 然后制冷剂输送到冷凝器。 热量在冷凝器外沉积。 在加热系统中，热量从热发动机冷却液转换为加热器线圈中的冷驾驶室空气。 然后发动机冷却液输送到发动机。 冷却液回到发动机后，冷却液再次加热。
Caterpillar Information System:
374F and 390F Excavators and 390F MHPU Mobile Hydraulic Power Unit Boom Down Does Not Respond To Progressive Joystick Motion
D6N Track-Type Tractor Mounting and Dismounting
374F and 390F Excavators and 390F MHPU Mobile Hydraulic Power Unit Boom Down Does Not Function
374F and 390F Excavators and 390F MHPU Mobile Hydraulic Power Unit Boom Down (Single Function) Speed Is Slow
374F and 390F Excavators and 390F MHPU Mobile Hydraulic Power Unit Boom Up Does Not Respond To Progressive Joystick Motion
D6N Track-Type Tractor Declaration of Conformity
C27 Engines for Caterpillar Built Machines Engine Oil Cooler - Remove and Install
980H Wheel Loader Power Train Fixed Axle (Front) - Remove and Install
986H Wheel Loader Drive Shaft (Rear) - Remove and Install
966M Tier 4, 966M Tier 4 Series XE, 972M Tier 4 and 972M Tier 4 Series XE Wheel Loaders Piston Pump (Steering) - Assemble
966M Tier 4, 966M Tier 4 Series XE, 972M Tier 4 and 972M Tier 4 Series XE Wheel Loaders Piston Pump (Steering) - Disassemble
2014/01/15 An Improvement to the Open Crankcase Ventilation (OCV) Components for Extreme Cold Climates Is Now Available for Certain Machine Engines {1074, 1107}
966M and 972M Wheel Loaders Power Train, Steering, Braking, Hydraulic, and Machine Systems Location of Components (HVAC System)
980H Wheel Loader Power Train Oscillating Axle (Rear) - Remove
D6R Track-Type Tractor TA2 Technical Inspection{0372, 1000, 7000, 753T, 7565} D6R Track-Type Tractor TA2 Technical Inspection{0372, 1000, 7000, 753T, 7565}
D6N Track-Type Tractor Daily Inspection
D6N Track-Type Tractor Operator Controls
910K and 914K Compact Wheel Loader Machine Systems Lines (Lift Cylinder)
Rework Procedure for the C-Frame Pivot Pin on Certain D6G Track-Type Tractors{6063} Rework Procedure for the C-Frame Pivot Pin on Certain D6G Track-Type Tractors{6063}
910K and 914K Compact Wheel Loader Machine Systems Creeper Control
D6K2 and D6K Track-Type Tractor Systems Power Angling Frame - Cylinder Pin
910K and 914K Compact Wheel Loader Machine Systems Lines (Pilot)
910K and 914K Compact Wheel Loader Machine Systems Air Conditioner Lines
2014/02/12 Improved Front Harness Is Now Used on 966K and 972K Wheel Loaders {1408}