wheel wrench for trucks

Model HY58 Labor Saving Wrench adopts high efficiency planetary shifting as main drive. It futures small dimension, lightness, durability and large gear ratio and thas a large out put tarque can be priduced by inputing less force. The product is made of high grade alloy steel in the process of fine heat treatment . The outer surface is polished with the plastic spray treatment and has a fine feel. The wrench is widely used to assemble and disassemble the tyres of various heavy trucks. It is a necessity for repairmen or drivers.
Directions
1.put the sleeve onto the square head of the handle end and the rocking bar on the other end
2.When the sleeve is put on the net to be disassembled or fastened ,pay attention to the direction of lossening an tightening . Roll the rocking bar so that the handle is against the side of another bolt tightly.
3.After the nut is unscrewed ,use the long bar to disassemble quickly.(First use the long bar to screw on quickly and then use labour saving wrench instead during tightening.)
Technical parameter
1.Gear ratio 1:55.7
2.Max safe output torque is 3200N.M(equal to 330 KGF.M)
3.Max output torque for normal dissembling(tightening) is 1200N.M(equal to 40 Kgfapplied to 3-meter-long bar)and the pull force of rocking bar is 18kgf.
4.It takes about six minutes to disassemble(tighten) a tyre.
5.The net weight of the tool is 5.8 kg and the total weight is 6.5kgs