​What if the screw jack can't rise normally?

 Many users will appear when using the screw jack like, when using the jack up to half but not continue to rise, some people will stop working, check what the reason, and others will come to consult us, then what should we do?

 Firstly, the screw jack can't rise. We should consider whether we put too much force on the rocker, which causes the jack to rise too fast and the sleeve can't hold up.            

Secondly, we need to analyze whether the internal parts of the screw jack are damaged. If there is any damage, please find a technician to repair it. We can't repair it without authorization.            

Finally, see if the screw jack is short of oil, the lack of oil jack will stick, so it  is difficult to rise.

 Next we will teach you more specifically how to use the screw jack.           
 1. If the jack works vertically when it is in use, keep its position in a normal position so as to avoid the occurrence of the bending and inclination of the screw.            

 2. When working, the rocker should be uniformly loaded, not too strong or slow. Too much force will damage the machine. Too little force will increase the slower lifting pressure.            

 3. Don't overload the tools. As the saying goes, how much ability is good, how much work is done, and how many tons of items are selected, how many tons of  jacks are needed.            

 4. When using, do not lift beyond the sleeve marking line.            

 5. When using the jack to fall back, it must slow down. It must not be too fast or too violent.            

 6. Attention should be paid to the maintenance of jacks, so that jacks can work for us longer.            

 Hope you as a novice do not use the screw jack quickly after you buy it. Check the machine first, read the instructions, study carefully and then use it. The above is for you. If you have any questions, please consult our customer service hotline in advance.

 Jack can not be lifted under any circumstances, then under what circumstances restrict the use of Jack operation, we will proceed to a detailed understanding below.

 1.  The weight of the supported weight exceeds the load-bearing range of the jack, and it is likely to crush the jack if it continues to be used.            

 2.  The jack is damaged, deformed, cracked and so on. If it continues to work, it is likely to be dangerous.            

 3.  The ground is soft and uneven. When the jack works on this ground, it is easy to tilt in the process of supporting heavy objects.            

 4.  The jack is rusty and does not inject lubricating oil. In this case, the jack is likely to jam in half and can not continue to use.            

 The Jack must be carefully inspected before operation. If any phenomena that do not meet the operation requirements occur, the jack should stop operation and solve problems in time to prevent accidents.

 It is very important to choose the support point of double-benefit screw jack, which is directly related to the safety of operation, so we must choose carefully.            

 The support point selection area of the screw jack should be a strong component, so that the support of the jack can not be deformed. If the hardness of the selected point is low, it is easy to be deformed and damaged, and dangerous in the process of lifting. If the lifting is a square contact surface, the center should be chosen as the support point; for irregular lifting objects, the center of gravity should be selected to support, to prevent sideslip. In addition, we also need to pay attention to the selection of support points to have a certain degree of anti-skid, the selection of rough surface is better, in the operation will not occur sideslip, to ensure smooth operation.