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Vertical hydraulic jack
Type
screw jack
hydraulic jack
Rack jack (rail lifting machine)
pneumatic jack
DESCRIPTION
Things to note
1. Overloading is strictly prohibited ： Do not arbitrarily lengthen the operating handle or increase the number of operators to force the jack to avoid overload damage or tipping.
2. Long-term support prohibited ： Hydraulic jacks cannot be used as permanent supports. A support frame should be installed under the heavy object for long-term support. ； When using screw and rack jacks as supports, care must be taken to prevent them from tipping over.
3. Multiple units jointly used ： When multiple jacks lift the same weight at the same time, jacks of the same model should be used for unified command and synchronous lifting. The rated lifting capacity of each jack should not be less than 1.2 times the gravity it bears.
4. Storage and maintenance ： The jack should be stored in a dry, dust-free place, and the seals, oil and lubrication should be checked regularly. If cracks or serious wear are found, stop using them immediately.
