Jema Autolifte JA4000F, Руководство по эксплуатации и обслуживанию

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4.5 Emergency lowering in case of no power
In the case the safety lock is not fully engaged
：
1. Push the front rod of the four electric magnets under the cross beam to have the four safety blocks released from the safety
rods.
2. Press and screw loose counter-clockwise the unloading valve to lower the platform.
In the case the safety lock is fully engaged
：
1. Remove the fitting as show in the following pictures and connect the tie-in with hand pump. Pull and push the handle of the
hand pump to supplement oil to the oil cylinder so as to have the safety teeth released.
Unloading valve
Safety block and safety rod
Front rod of electric magnet