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This is the vertical 30 ton hydraulic jack
and we also have 2 3 4 5 6 10 20 tons, 32 to 40 tons, 50 tons of jacks

1. pump oil level is low, the need to add oil to the pump (hydraulic fluid) to work.
2. the estimated weight and avoid overload.
3. determine the load's centre of gravity, select the Jack point and must consider whether the ground soft mat with tough wood, so as to avoid lifting when dumping dangerous.
4. Jack after weight lifting, weight support with a tough wood prison, ban Jack as a support material used, so as to avoid uneven load, resulting in dumping of dangerous.
文字说明具体操作方法：
举升：
1.顺时针转动千斤顶手柄
2. Will Jack placed vehicles right of top liters parts below (as needs will Jack Shang of adjustment screw Rod counterclockwise rotating until its contact vehicles)
3. will Jack handles insert handles casing in the, upper and lower fuck hands-on handle, until vehicles liters to ideal height
declined: carefully: slowly declined vehicles slow rotating back valve
1. Remove handles, with handles release back valve, (Please turn the handle slowly counterclockwise and loosen the return valve) Note: do not return valve loosen more than 2 laps;
2. the vehicles behind, move Jack. (If the adjustment screw is extended up State, you will need to Rotate clockwise until it is completely out of vehicles)

Note:
a) at load time, avoid the quick connector is removed, so as to avoid accidents and damage to parts.
B) this machine is made from oil as the medium, must be oil and equipment maintenance to avoid blockage or leak oil, affect the results.
C) new or long hydraulic jack, because there is more air in the fuel tank, when you start using piston rods jump phenomena may appear tiny, 2-3 of hydraulic jack can be unloaded the reciprocating motion to exclude the air inside the cavity. Long term idle Jack, because seals don't work for long time and causes hardening of the seals, thus affecting the service life of the hydraulic jacks, hydraulic jack when not in use, to hydraulic jack no-load reciprocating 2-3 times a month. Bear in mind: must not rise to the top, the common 3---4 cm can.
Maintenance:
Oiling/lubricating oil:
1. will Jack placed vertical state;
2. reduced pump bit and piston, until its in completely relaxation state;
3. removed Jack of rubber oil plug;
4. Note injected quality of hydraulic oil (until live has hole of Xia late) side;
5. loaded Shang rubber oil plug;
6. Periodically lubricate the drive connection and adjusting screw.

Customer service contact information below:

Before-sales service:

After-sales service :

Or call our shop specialist: 13655793515 Miss Liu