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mechanical jack, 1with double-lever sockets for jacking, 2lifting capacity 5ton 10ton 20ton, 3it is made from super steel - details see: https://www.machineto.com/orange-cast-steel-mechanical-track-jack-rack-type-jack-rack-lifting-jack-10131500

QD5/10/15 ton ,mechanical jack ,mechanical track jack ,rack-type jack ,rack jack
good quality easy to operate easy maintenance

mechanical jack
1with double-lever sockets for jacking
2lifting capacity 5ton 10ton 20ton
3is made from super steel

Structure diagram :

1, Top

2, up rod

3, up spring

4, mid rod

5, mid spring

6, mid rod

7, housing

8, rack

9, up pallet

10, cover of the axle

11, down pallet

12, cranking bar

13, axle

14, lifting spanner

15, up & down spanner

QD10T RACK-TYPE JACK

Application :

This machine is suitable in laying the railway track and the installation of bridge as well as lifting the vehicle , equipment and heavy object. Since its simply structure, convenient using safety and reliability and it can be used at the same time , it is a widely used lifting tool.

Function Specifications :

Model	Maxing lifting capacity of the top (T)	Max lifting capacity of foot-hoot(T)	Lifting height (mm)	Total height (include the height of the machine)mm	Foot-hoot (mm)
QD5	5	2.5	160	345	43
QD10	10	5	180	410	45
QD15	15	7.5	280	580	60

How to get rid of the trouble:

Adjust the middle nut of the spring package if the rack meets difficulty when moves upward or descends When obstructed upwards , adjust downward; when obstructed downward adjust upward , The range of the adjustment should be between 1 mm to 2 mm.

The picture: