| 摘要 |
<p>There are one or more pairs of hydraulic jacks for the vehicle front and rear. When the hydraulic circuit is actuated, the jack head moves down and lifts the vehicle front or rear. A control switch is placed in the driving compartment. The jack is fitted to the body and the hydraulic circuit has an electrically operated valve for each hydraulic jack. The control switch controls this valve. There is also a manually operated distributor for each jack to control the circulation direction of the hydraulic liquid. Hydraulic power is provided from the battery by an electric motor and pump.</p> |
