一、挖掘机一级保养作业范围

　　1、 Scope of first level maintenance work for excavators

　　每运转国产设备120-150h(进口设备250-300h)进行一次。保养内容是在完成例行保养作业的基础上完成以下项目：

　　Perform once every 120-150 hours of operation for domestic equipment (250-300 hours for imported equipment). The maintenance content is to complete the following items on the basis of completing routine maintenance operations:

　　1、 拆洗空气滤清器、机油滤清器、燃油滤清器、通风口滤网。

　　1. Disassemble and clean the air filter, oil filter, fuel filter, and vent filter.

　　2、检查油温表、水温表、机油压力表。

　　2. Check the oil temperature gauge, water temperature gauge, and oil pressure gauge.

　　3、检查、紧固发动机各部工作情况。

　　3. Check and tighten the working condition of each part of the engine.

　　4、检查高压油泵、供油泵及供油管路。

　　4. Check the high-pressure oil pump, fuel supply pump, and fuel supply pipeline.

　　5、检查油门操纵机构、熄火器、进排气管。

　　5. Check the throttle control mechanism, flameout, and intake and exhaust pipes.

　　6、检查时规盖、气门盖、油底壳、曲轴前后油封及外部机油管道。

　　6. Check the gauge cover, valve cover, oil pan, crankshaft front and rear oil seals, and external oil pipelines.

　　7、对润滑点加添润滑油、脂。

　　7. Add lubricating oil and grease to the lubrication points.

　　8、检查水箱、水泵，调整风扇皮带的松紧度。

　　8. Check the water tank and water pump, and adjust the tightness of the fan belt.

　　9、检查机油散热器。

　　9. Check the oil radiator.

　　10、检查燃油箱、液压油箱、燃油滤清器。

　　10. Check the fuel tank, hydraulic tank, and fuel filter.

　　11、检查液压泵、马达及各阀件工作是否正常。

　　11. Check if the hydraulic pump, motor, and various valve components are working properly.

　　12、检查并紧固履带板螺栓。

　　12. Check and tighten the track plate bolts.

　　13、检查、调整履带板张紧度。托带轮与引导轮之间挠度应为20-30mm.

　　13. Check and adjust the tension of the track shoes. The deflection between the pulley and the guide wheel should be 20-30mm

　　14、检查各操纵机构。

　　14. Check all operating mechanisms.

　　15、检查拖带轮、支重轮、驱动轮、引导轮密封情况并加注润滑油（脂）。

　　15. Check the sealing condition of the towing wheel, supporting wheel, driving wheel, and guide wheel, and add lubricating oil (grease).

　　16、检查驾驶室联结件的紧固及密封情况。

　　16. Check the fastening and sealing of the cab connectors.

　　17、检查起动机、发电机，调整调节器、喇叭。

　　17. Check the starter and generator, adjust the regulator and horn.

　　18、检查灯光、线路、保险装置、仪表、开关。

　　18. Check the lighting, wiring, safety devices, instruments, and switches.

　　19、检查电瓶及支架。液面符合要求，支架固定牢固，线路连接可靠。

　　19. Check the battery and bracket. The liquid level meets the requirements, the bracket is firmly fixed, and the circuit connection is reliable.

　　20、填写运转记录。按要求填写保养记录。

　　20. Fill in the operation record. Fill in maintenance records as required.

　　二、挖掘机二级保养作业范围

　　2、 Scope of Secondary Maintenance Operations for Excavators

　　每运转480-600h(进口设备1000-1200h)进行。作业内容是在完成一级保养的基础上完成下列项目：

　　Operate every 480-600 hours (imported equipment 1000-1200 hours). The homework content is to complete the following items on the basis of completing the first level maintenance:

　　1、清洗气门室，校对气门间隙。

　　1. Clean the valve chamber and calibrate the valve clearance.

　　2、拆洗油底及集滤器，检查大、小瓦，并按质换油。

　　2. Remove and wash the oil bottom and filter, inspect the large and small tiles, and replace the oil according to its quality.

　　3、清洗润滑系统，更换机油滤芯。

　　3. Clean the lubrication system and replace the oil filter element.

　　4、检查、校正喷油嘴。喷油嘴雾化压力符合要求。

　　4. Check and calibrate the fuel injector. The atomization pressure of the fuel injector meets the requirements.

　　5、检修、保养发电机、起动机。

　　5. Inspect and maintain the generator and starter motor.

　　6、检查电瓶及联结线。液面及比重符合要求，联结可靠。

　　6. Check the battery and connecting wires. The liquid level and specific gravity meet the requirements, and the connection is reliable.

　　7、检修全车线路、仪表、灯光、保险装置、喇叭、调节器、电磁阀等。线路无

　　7. Inspect the entire vehicle's wiring, instruments, lighting, safety devices, speakers, regulators, solenoid valves, etc. Line not available

　　起皮、漏电、短路情况。仪表工作良好。灯光固定可靠，亮度符合要求，喇叭、

　　Peeling, leakage, and short circuit conditions. The instrument is working well. The lighting is fixed and reliable, the brightness meets the requirements, and the speaker

　　调节器等工作正常。

　　The regulator and other components are working properly.

　　8、更换液压油滤清器及燃油滤清器滤芯，检查液压油质，必要时更换。

　　8. Replace the hydraulic oil filter and fuel filter element, check the quality of the hydraulic oil, and replace it if necessary.

　　9、检修车门及摇机。开关灵活、活动自如。

　　9. Inspect and repair the car doors and rocking mechanism. The switch is flexible and moves freely.

　　10、检查、调整离合器。间隙合适，分离彻底。

　　10. Check and adjust the clutch. The gap is appropriate and the separation is thorough.

　　11、检查引导轮、支重轮、驱动轮、行走马达及转向装置情况。各轮良好无破

　　11. Check the condition of the guide wheel, support wheel, drive wheel, walking motor, and steering device. All rounds are good without any damage

　　损，密封圈完好无渗漏。马达工作正常，转向灵活可靠。

　　Damaged, the sealing ring is intact without any leakage. The motor works normally and the steering is flexible and reliable.

　　12、检查履带板、履带销、履带螺栓。无断裂、磨损过甚情况。

　　12. Check the track shoes, track pins, and track bolts. No breakage or excessive wear.

　　13、检查大臂、小臂、铲斗销、轴套。无裂纹，不松旷，工作良好。

　　13. Check the boom, forearm, bucket pin, and shaft sleeve. No cracks, no looseness, working well.

　　本文由  济南挖掘机租赁 友情奉献.更多有关的知识请点击  http://www.ycgjglcl.com/   真诚的态度.为您提供为全面的服务.更多有关的知识我们将会陆续向大家奉献.敬请期待.

　　This article is a friendly contribution from Jinan Excavator Rental For more related knowledge, please click http://www.ycgjglcl.com/ Sincere attitude To provide you with comprehensive services We will gradually contribute more relevant knowledge to everyone Coming soon.