[摘要]新疆土石方工程如何处理挖掘机液压系统产生黑油问题。黑油产生的原因：The reason of black oil produced:
如何处理挖掘机液压系统产生黑油问题。黑油产生的原因：The reason of black oil produced:
导致液压挖掘机的液压系统黑油的不仅仅是有粉尘引起的，也是由于加注黄油不规范造成的。例如：当衬套与钢钎的之间的间距超过8毫米的时候（小拇指能够插进去），建议跟换衬套，平均每更换2个下衬套需要更更换1个上衬套。.
Lead to the black oil hydraulic system of hydraulic excavator's not only caused by dust, but also because of irregularities caused by adding butter. For example: when the spacing between the lining and the steel when the more than 8 mm (little finger can be inserted), suggestions with the change of bushings, average every 2 to change the lower bushing need more replacement 1 upper bushing.
在更换油管，钢管，回油滤芯等液压附件的时候，需要将接口处的粉尘或者杂物清理干净后才能松开更换。
Steel tubing, when in replacement, return oil filter core hydraulic accessories, need to clean the dust or debris at the interface in order to loosen the replacement.
加注黄油的时候需要将破碎锤提起，钢钎压到活塞里面，每次加注时只需加注标准黄油枪的半枪即可。（因为如果在加注黄油时没有压紧钢钎的，此时加注的黄油会在钢钎槽的上限位，钢钎工作的时候黄油就会直接蹿到破碎锤的主油封处，随着活塞的往复运动将黄油带入到破碎锤中缸体内，再随着破碎锤中缸体内的液压油混入到挖掘机的液压系统内，是液压油变质，发黑）
When filling the grease needs will hammer mentioned, steel pressure to the piston inside, each charging only filling standard grease gun can be half the gun. Because if there is no pressing steel chisel in (when the grease, now filling butter will in steel groove of the upper limit, when steel work the butter will directly jump to the main oil seal, hammer with the reciprocating motion of the piston into the butter hammer in the cylinder body, and then with the hydraulic breaking hammer cylinder oil the body of the mixed into the hydraulic system of the excavator, is the hydraulic oil deterioration, black)
处理方法：
Processing method:
1.正确使用打黄油的姿势。
1 the correct use of beat butter posture.
2.加装回油过滤器装置。
2 installing oil return filter device.
3.加装喷水装置，减少外界灰尘。
3 installation of a water spraying device, reduce the dust outside.
4.上下衬套磨损过大，适时更换衬套
The 4 upper and lower bushings excessive wear, timely replacement of bushing
5.进气单向阀坏或堵塞，定期检查单向阀。
The 5 air inlet one-way valve bad or jam, regularly check the check valve.
6.及时更换防尘封。
6 timely replacement of the dust seal.
7.正确使用破碎锤（不要经常在偏打）
7 the correct use of hammer (do not often in the side play)
8.注意钢钎尺寸与衬套是否匹配。.
8 note steel bushing is matched with the size of.
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