95sao国产成视频永久免费_国产一级毛片av_午夜福利电影在线_最新电影免费下载_亚洲高清无码三级片_亚洲AV涩涩涩日韩_白人极品少妇XXXⅩ做受_国产精品免费隔壁老王_日韩Aⅴ无码精品久久人_少妇私密推油一区二区三区

?
Rig maintenance
writer:ld-driller | time:2020-09-03 16:22:18

(1) keep the surface of the drilling rig clean, remove mud, dirt, oil sludge and other sundries at any time, and keep the slide rail clean;

(2) pay attention to check the temperature rise and fall of bearing parts, friction parts, power head and oil pump, gear box and hydraulic oil tank of each part of the rig at any time. The temperature of each part should not be higher than 70℃, otherwise, stop the machine to check and eliminate the cause of overheating.

(3) listen to the running sound of each moving part at any time. If abnormal sounds such as violent vibration, knocking and screaming are found, stop the machine immediately for inspection and handling.

(4) If there is oil leakage in each seal, stop the machine in time.

(5) according to the lubrication requirements, lubricate each part of the drilling rig that needs lubrication.

(6) each fastener should always be firm and reliable, and there should be no loose phenomenon.

(7) the maintenance work of diesel engine should refer to "diesel engine Operating Instructions".

(8) the maintenance work of mud pump should refer to the operation manual of mud pump.

(9) the maintenance work of power head should refer to its rig operation manual.

(10) regularly check whether each hose is cracked, unpacked, aging, etc., and whether it is damaged at O-ring and bonded washer, so as to replace it in time.

(11) often check whether the oil in the oil tank has deteriorated or not, and add hydraulic oil in time. The brand and quantity of hydraulic oil can be seen in the instructions in the hydraulic system of rig operation manual.

(12) the pointer of the filter element points to the red zone, which proves that the filter element has been blocked. Stop the Machine immediately and replace the filter element to avoid damaging the oil pump or motor.

(13) replace the pressure gauge in time after failure.

(14) for the repair and maintenance of oil pump and oil Motor, please refer to its operating instructions.






?
TELPRODUCTSSMSHOME more

国产亚洲精品精品精品 | 五月丁香综合久久伊人春色 | 久久综合经典国产二区无码 | 无码毛片内射白浆视频 | 久久老子午夜精品无码 | 高潮喷水精品无码喷水AV | 日本午夜精品理论片A级APP发布 | 国产精品久久久久久免费软件 | 亚洲乱码国产一区三区 | 精品爆乳一区二区三区无码AV | 免费国产一级片内射老妇 | 国产寡妇婬乱A毛片视频 | 国产精品无码一区二区三区在 | 亚洲AV无码乱码国产精品 | 久久99精品久久久久久女女 | 中文字幕日韩精品欧美一区口 | 国产免费AV片在线无码免费看 | 亚洲第一级av无码毛片 | 国产成人综合久久精品尤物 | 欧美V亚洲V综合Ⅴ国产V | 精品亚洲国产成AV人片传媒 | 亚洲一区二区无码精品天堂 | 99久久亚洲综合精品网站 | 国产日韩欧美亚欧在线观看 | 女人扒开屁股爽桶30分钟 | 国产色无码精品视频国产 | 国产亚洲日韩欧美另类 | 2021精品亚洲中文字幕 | 国产三级精品三级在线观看 | 日韩一区二区三区射精 | 国产精品亚洲专区无码不卡 | 久久免费区一区二区三波多野 | 国产又爽又黄无码无遮挡在线观看 | 久久久精品中文字幕麻豆发布 | 少妇内射视频播放舔大片 | 伊人久久国产免费观看视频 | 最近中文字幕在线中文视频 | 国产成人无码AⅤ片免费看 日本一区二区三区四区视频 | 后入内射无码人妻一区 | 国产大片内射1区2区 | 欧美午夜精品久久久久久浪潮 |