Hydraulic Oil Cooler
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| 图 1 | g03341995 |
(1) 液压油冷却器 (2) 冷却器进口 (3) 垂直软管 (4) 冷却器出口 (5) 热旁通阀 (6) 热旁通阀进口 | |
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| 图 2 | g03342151 |
(5) 热旁通阀 (6) 热旁通阀进口 (7) 提升阀 (8) 出口油道 (9) 弹簧 (10) 来自冷却器管的通道 (11) 至冷却器管的通道 | |
液压油冷却器 (1) 冷却来自风扇泵和马达箱体排油以及肾形回路冲洗回路的油。 为防止过度冷却，热旁通阀 (5) 允许油旁通液压油冷却器，直到油温升高。
来自按需风扇和肾形回路冲洗回路的回油进入热旁通阀进口 (6) 。 这些油流过水平软管 (3) 。 当油温降低时，热旁通阀 (5) 保持开启。 油流经冷却器出口 (4) 回到油箱。 当油温升高时，热旁通阀 (5) 将会抵着阀座闭合。 这迫使油流过液压油冷却器。 随后，油流过冷却器出口 (4) 。
液压油冷却器通过进口 (2) 接收来自按需风扇和肾形回路冲洗回路的油。 油流经液压油冷却器 (1) 后通过出口 (4) 流出。 然后油流回液压油箱。
Caterpillar Information System:
621K, 623K, and 627K Wheel Tractor-Scrapers Systems Differential and Bevel Gear
621K, 623K, and 627K Wheel Tractor-Scrapers Systems Piston Pump (Implement)
903C Compact Wheel Loader Cab Door
259D, 279D and 289D Compact Track Loaders, 257D, 277D and 287D Multi Terrain Loaders and 236D, 242D, 246D and 262D Skid Steer Loaders Engine Supplement Alternator - Remove and Install
966H and 972H Wheel Loaders Power Train Oil Coolers and Cooling System Operation
966H and 972H Wheel Loaders Electrohydraulic System General Information (Electrohydraulic System)
621K, 623K, and 627K Wheel Tractor-Scrapers Systems Oil Cooler (Torque Converter and Transmission)
621K, 623K, and 627K Wheel Tractor-Scrapers Systems Metering Pump (HMU)
903C Compact Wheel Loader Steering Frame Lock
966H and 972H Wheel Loaders Power Train Fixed Axle (Front) and Oscillating Axle (Rear)
966H and 972H Wheel Loaders Power Train NoSPIN Differential
966H and 972H Wheel Loaders Power Train Limited Slip Differential
966M Tier 4, 966M Tier 4 Series XE, 972M Tier 4 and 972M Tier 4 Series XE Wheel Loaders Air Cleaner - Remove and Install
621K, 623K, and 627K Wheel Tractor-Scrapers Systems Elevator Circuit
259D, 279D and 289D Compact Track Loaders, 257D, 277D and 287D Multi Terrain Loaders and 236D, 242D, 246D and 262D Skid Steer Loaders Engine Supplement Electric Starting Motor - Remove and Install
621K, 623K, and 627K Wheel Tractor-Scrapers Systems Piston Pump (Cushion-Hitch)
320 GC, 320 and 323 Excavator Machine Systems Specifications Transport Lock
D10T2 Track-Type Tractor Systems Modes of Operation (Fan Hydraulic System)
D10T2 Track-Type Tractor Systems Accumulator (Pilot)
966H and 972H Wheel Loaders Electrohydraulic System Implement Electronic Control System
966M and 972M Wheel Loaders Aggregate Autodig - If Equipped
D10T2 Track-Type Tractor Systems Control Manifold (Implement Lockout)
836K Landfill Compactor and 834K Wheel Dozer CAN Data Link - Test
2013/04/04 An Improved Mirror Group is Now Used on Certain G-Series Wheel Tractor-Scrapers {7319}