A hollow jack / jack feedthrough use
1, the ministries must be checked before use is normal.
2, should be used in strict compliance with the provisions of the main parameters, avoid high overload, or when lifting or lifting height exceeds the tonnage, the cylinder at the top of serious oil spills 3, such as when manually pump the fuel shortage , first pump to be added should be fully filtered by the N33 # hydraulic oil to work.
4, the electric pump electric pump, please refer to manual.
5, moderate weight to choose the focus, the focus of rational choice jack, to pad the bottom level, taking into account the hard and soft ground conditions, whether to pad tough wood, place it smooth, so as not to load subsidence or tilt.
6, Jack, after the heavy lifting, should be timely and firmly supports the weight support to prohibit the use of the jack as the supporting material. 7, a few jack for lifting the same time, in addition to jack should be placed properly, the shunt valve should be used more than the top, and each load should be balanced jack to keep the lifting speed of synchronization. Must also consider the weight due to uneven ground may subside, to prevent the tilt produced by heavy lifting and dangerous.
8, when the first hand pump with quick connector and the top butt, and then choose the right location, will be put on the oil pump screws tightened, you can work. To spare rod down, the manual hand pump counter-clockwise slightly loosen the wheel, cylinder unloading, the piston rod that is gradually decreased. Or too fast will result in dangerous decline.
9, the jack system spring structure, after lifting, you can quickly take out, but not with a jack to connect the hose to pull.
10, due to the smaller jack lifting stroke, when users do not exceed the rated travel to avoid damage to the jack.
11, using the jack should be avoided during severe vibration.
12 are not suitable for acid-base, corrosive gases in the workplace use.
13, the user according to the use of regular inspection and maintenance
Second, the hollow jack / jack feedthrough Notes
1, when the phenomenon where there is space to play, can be relaxed to put oil on the screw pump will pump up the vertical space to play a few first down, then tighten the oil drain screw, you can continue to use
2, when used, should not be added partial load or overload, to prevent jack damage danger. In a load, the joints should not be removed quickly to avoid accidents and damage parts.
3, the machine is oil for the media, must do the oil and the maintenance of this equipment in order to avoid blockage or spill, affect the results.
4, new or old set of hydraulic jacks, with more memory because of the air cylinder, initial use, the rod may be the phenomenon of small jumps, no-load hydraulic jack can be 2-3 times back and forth motion to exclude the air cavity. Long-term idle jack, as seals do not work long-term result of hardening of seals, which affects the service life of hydraulic jacks, hydraulic jacks so when not in a month to load reciprocating hydraulic jacks 2-3 .
5, high pressure tubing factory after 105Mpa (1050Kgf/cm2) test. However, due to the aging hose easily, so users often need to check, usually for six months, frequent users for three months. Check with 87.5Mpa (875Kgf/cm2) pressure test, if burst, bulge, leak and other phenomena can not be used.
6, the operation should be strict compliance with technical specifications, user according to the use of regular inspection and maintenance.
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