省力扳手采用高效行星变速作主传动，其特点是体积小，重量轻，由于变速比大输入较小的力量就能产生很大的输出扭距。产品选用高级合金钢和精良的热处理工艺，坚固耐用。高效省力，外表采用抛光喷塑处理，具有良好的手感。广泛用于拆装各种型号的载重汽车轮胎，是汽车修理工必备工具和广大司机朋友得心应手理想的随车工具。

轮胎螺母拆装省力器  增力比：56：1.

摇手柄输入用力请勿大于23公斤！安全输出的力矩：3000牛顿.米

laborsaving tyre dismounting machine for vehicle
using method
1.mount sleeve on square head at the end of a handle and put on the rocker .
2.mount sleeve on the bolt to be dismounted or fixed and pay attention to the tightness direction,shake rocker and make fast on the side face of another bolt.
3.After unscrewing the nut ,replace extension bar to dismount repairly (when fastening please use extension bar to revolve firsting then screwed by the laborsaving wrench.
NOTE
1.when fastening nut,the force of rocker should not exceed 20 kg .if rocker has a feeling of rebounded semi-circle ,nut has been fastened ,and excessive force may damage the nut or the dismounting machine.
2.Do not add force of pry bar pry bar pr tommy bar to hand rocker.
3.Reminded:If you use a larger force and not loose nut ,pay attention to judging about if the direction will be up against the rocker .
4.This product is not suit to dismount completely corroded bolts.