2014年9月29日星期一

Maybe You can Replace the Used Excavator Bucket Yourself

Used Excavator bucket is one of the most frequent usage parts of the used excavator when it is at work; excavator bucket is also the fastest wear parts. So, it often needs to be replaced especially for used excavators. The replacement of the digging bucket is a technical work. Operators can only finish this work without causing damage to the machine and persons nearby by paying attention to many matters. Excavator bucket is connected with connecting rod by bucket rod pin and link pin. Bucket replacement is actually the process of dismantle bucket rod pin and link pin, remove the original bucket and then connect the new bucket with bucket rod pin and link pin. Specific steps are as follows: 1. Lower the digging bucket to a flat surface. In this process, try to make the bucket just contact with the ground. Under this condition, the resistance of removing the pin shift is smallest. 2. Remove the bucket rod pin and connecting rod pin. Dismantle the lock bolt and double nuts of the bucket rod pin and connecting rod pin and then unload them as well as the bucket. In this process, keep in mind that the bucket rod pin and connecting rod pin cannot be contaminated by mud and sand. The seal at the ends of the shaft sleeve cannot be destroyed. 3. Install new digging bucket and other device. Change the position of the arm, align the holes on the arm and the bucket, then cover them with grease and install the bucket rod pin and connecting rod pin. Pin's installation process is on the opposite of the dismantle process. When we are installing the bucket rod pin, we should first install the O-ring and then put the O-ring in the proper slot after inserting the bucket rod pin. However, when we are installing the connecting rod pin, we should first insert the O-ring in an appropriate slut and then put in the connecting rod pin. 4. Install the pin locking bolts and nuts, and cover them with grease. It seems to be very easy to change the digging bucket, but the whole process can be very dangerous. There are precautions that we must remember. When strike the pin with a hammer, lemel may fly into our eyes and lead to serious harm, so we need to wear goggles, helmet and other protective equipment. Place the bucket steadily while removing it. When we are striking the pin with full force, pin may fly out and hurt the surrounding people. Therefore, ensure the safety of those around before blow pin. Pay special attention not to stand under the bucket while removing the bucket. Do not put your hand into the pinhole when you are aligning the hole. There is another part-the used track excavators, which is also very important for the excavator. It has always been a difficulty for excavator boss and maintenance master, not to mention an ordinary operator. So, if you want to change the track, ask for the help of a professional maintenance master. http://www.usedexcavatorssale.com/usedexcavators

2014年9月27日星期六

Usages of Used Mini Komatsu Excavator is Wide

What are usages of used Komatsu mini excavator? Used mini excavator is a kind of multi-purpose of construction machinery, mainly serving for mining conditions, loading, land leveling, slope, hoisting such as crushing, demolition and trenching working for construction areas. It is a kind of practical machinery for construction area such as roads, railways, bridge, airport, port construction, as well as for water conservancy construction. Therefore, used mini excavator possesses the function of bulldozers, loaders, cranes and could take the place of these mechanical. Used excavator has a advantage of small size. Therefore, it can be operated very flexibly. It is easy to remove used mini excavator in the underground of mine roadway. It is very suitable for non-ferrous metal mine in the cross of roadway section. Besides, used mini excavator just needs one person to operate, and it equips driving room for operator. Thus, it improves the safety ability in case of stone sinking. It also has the function of eliminating danger. When manual work can't finish the working, mini excavator could help to accomplish the working. The most important point is that it can reduce cost and promote working efficiency. Compared with artificial ore loading, used mini excavator can save the ore loading fee. Used Komatsu mini excavator is a common kind that cutting forced soil. It can be used to stop of the operation of mining. Its basic operation modes are gully ending mining, straight line mining, curving mining, super deep trench, slope mining and groove mining. Used mini excavator action form is moving upward and forced cutting soil. For construction area, used mini excavator can dig very deep stop surface above the soil. It is appropriate for drying of foundation pit more than 2 meters, but it must set up and down ramp. If you need a heavy equipment to complete all kinds of operation such as road construction, general construction, garbage disposal, recycling, landscaping, public facilities, used mini excavator is your ideal choice. Used Komatsu mini excavator is your mining operation' right hand man with the new mining equipment efficiency. Especially the performance of hydraulic used excavator, it can be daily used in quarrying, mining, road construction, civil enginnering and general construction and other assignments. You can purchase the required equipment with wide range of products from your local construction equipment dealer. It can satisfy fully your working requirement to select your bucket or a series of other subsidiary devices. Each used mini excavator upholds the first class design and professional manufacture, strong and durable, strong power and fuel efficiency, etc. More Used Komatsu mini excavator for sale. http://www.usedexcavatorssale.com/usedminidiggers/komatsuminidiggers

2014年9月24日星期三

Do You Know What Does CL Mean on a Used Mini Digger?

  In China, used mini diggers are also known as the "old mini digging machine", "old hook machine ", " second-hand mini hook machine". So there are many kind of name to call the used mini digging machine. Excavator's bucket can excavate the material that is above or below the stop surface, and come into the transport vehicle or unloaded to the stockyard of construction machinery. It can be installed on a variety of hydraulic devices and then become demolition machine, as well as grab machine, and pulling tools. Excavators have three most important parameters, which are operating weight, in another word, mass, engine power and bucket capacity. Used mini excavator is one of the major means of production in the economic development and is the inevitable result of the latter. As a model of conservation of resources, used excavators supported national construction and development in a lot of ways! China's second-hand mini excavator industry, in the late nineties has been through the rapid development. The country saves a lot of natural and human resources by using the used excavator. It has contributed a lot for national economic construction and has played an indelible role. There is also a growing maturity in foreign machinery and equipment recycling technology, in English it is called as "reman". The concept refers to machinery and parts used or remanufactured waste through reprocessing (parts that is produced meet the standards of new products) resulting assembly machine products. It is also described as re-manufacturing of construction machinery. This technology in the country is increasingly emerging. In the construction machinery industry, in general, the used excavator is defined as follows: the use of time is more than 250 hours (by the excavator computer board data recording hours); has the completion period of adjustment and maintenance procedures; has and the machine clear property rights; machinery factory can provide documentation (such as quality assurance, etc.); equipment invoices (financing the purchase of equipment invoices monthly repayment) of excavators. The main sources of domestic second-hand mini excavator include: import equipment from abroad, domestic joint assembly, and other ways to use natural domestic excavator. Used excavators are mainly based on market price fluctuations mechanical couplers use of time by the seller and the buyer, freely negotiated. Used excavator Doosan DH220LC-7 excavator is a kind of more popular flagship models. As for CL, many may know that C is generally the 3rd generation of that particular model machine and L represent the longer track bend. More used mini digger for sale.http://www.usedexcavatorssale.com/usedminidiggers/caterpillarminidiggers/used-caterpillar-306d-mini-digger-for-sale-in-china-9.html

2014年9月16日星期二

Used Excavator Walking Operation and Matters Needing Attention

With the constant adjustment of the bank lending rates, more and more people choose not to buy a brand new excavator. They cease to advance when they are thinking about purchasing a new excavator. Recently used excavator industry has gained rapid development. At the time of purchasing “big guy”, most people are considering of used excavators with smaller investment and lower risks. Used excavator is also called used excavating machinery. It uses the bucket to excavator materials higher or lower than scoop mining machine surface and load the material into transport vehicles or discharge them to the stocking yard. Used excavators are also very useful in finishing this kind of tasks. Though used excavator is the mainstream of the excavator industry, operators need to be aware of the walking operation when they are using the used excavator. Only in this way can we make use of the used excavator as much as possible and achieve maximum economic benefits. Here is some used excavator walking operation for you 1 Operators should check the environmental security situation and clean the obstacles in the road before starting. Irrelevant personnel should be away from the used excavator, at that time, operators can lift the bucket. 2 On the one hand, operators should keep an eye on the astern space when the used excavator is backing up; on the other hand, they should also pay attention to the dead zone behind the used excavator. Specialist conductor for assistance is needed when necessary. 3 Used excavators should walk on flat ground as far as possible and avoid placing the upper turret arbitrarily or manipulate the used excavator to rotate. 4 Check the direction of the crawler frame before manipulating the walking stick, try the best to make the used excavator walk forward. If the drive wheels are in front of the excavator, walking stick should operate back forward. 5 When the used excavator is walking in bad ground, it should avoid walking on rocks which will cause damage to motor and crawler frame. Once mud, sand or gravel are mixed into the track, they would influence the normal walk of the used excavator and the lifespan of the track. 6 When the engine stalls on the ramp, operators should reduce the bucket to the ground and put the control rod in the neutral position and then restart the engine. When the used excavator is walking on the ramp, operators should ensure the caterpillar direction and ground condition to make the used excavator walk as straight as possible. Keep the bucket 20-30 cm away from the ground, if the excavator skids or is unstable, put down the bucket immediately. It is also very important to maintain the excavator regularly. Regularly maintenance can not only reduce the machine failure and extend the lifespan of the machine but also reduce the machine down time as well as improve working efficiency. Above all, it can reduce the operation cost greatly. That's something people cares most when they are trying to make a fortune from this.