3 ton Floor Jack

3 ton Floor Jack

Product introduction :
Floor Jack , Which is mechanical pinion and rack jack . It lifts the objects by human power through lever and gear. Generally , mechanical floor jack capacity is less than 20Ton , can lift and support heavy load for long time .

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Product Details

Product introduction :

3 ton floor Jack , which is mechanical pinion and rack jack . It lifts the objects by human power through lever and gear. Generally , mechanical floor jack capacity is less than 20Ton , can lift and support heavy load for long time .Mechanical floor jack is mainly used in places where the working conditions are not convenient or where it is necessary to lift heavy objects by means of lower holding claws, such as railway rolling operation.

 

Pinion and rack type mechanical floor jack is mainly assembled with rack , gear and handle . Above the rack is a rotating head for placing the lifting load. When using the floor jack , operator just need rotate the handle , the tooth will drive the rack up or down, so that the weight can rise or fall.

 

Sometimes the lifting load can also be placed on the side lug, but in this case, the rack is subject to eccentric loading, so the allowable lifting weight is only half of the rated lifting weight. In order to support the load being lifted, a safety rocker should be installed to prevent the landing due to self- weight.

 

Allman mechanical floor jack technical parameters :

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Model

MSJ

Rated Capacity (ton)

1.5

3

5

10

16

20

25

Test Load (KN)

16.5

33

55

110

176

220

275

Handle shake to lift full load(N)

190

196

235

431

580

650

750

Net Weight (kg)

10.7

21.3

27

47

64.5

72

93

Dimension
     (mm)

A

77

83

105

120

153

153

153

B

100

130

145

145

150

150

198

C

605-905

715-1085

730-1080

795-1160

820-1140

865-1180

950-1360

D

55-355

60-420

70-420

83-448

135-455

125-440

110-520

E

55

60

70

80

85

85

85

F

40

45

68

73

90

90

90

G

110

135

170

170

182

182

230

H

225

285

285

330

360

360

360

K

121

200

190

252

275

275

388

R

119

140

155

185

210

224

200

S

185

230

220

220

202

202

205

T

126

126

126

255

255

255

255


 

Features :

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1. All the mechanical floor jacks are made of high strength steel structure , which make the jack safe and durable .

2. Double paw brake system , make braking quickly .

3. Low gearing tolerance , smooth transmissions , free of jerks .

4. High efficiency and minimum turning force , less than 25 kgs is required to lift full load of all rated capacity .

5. Lifting or lowering speed is controllable .

6. All jacks are tested with 1.25times rated capacity .

7. The mechanical jacks are equipped with fixed claw and folding handle .


Mechanical Floor Jack structure and Operation Guide :

Put the floor jack on flat places . Then place the goods on the Lower Support Stand (4) or the Upper Support Stand (3). Shake the Level (2)clockwise to lift the goods , vice verse , the goods are lowered down .

(1) Base

(2) Level

(3) Upper Support Stand

(4) Lower Support Stand

(5) Upper Ratchet Pawl

(6) Lower Ratchet Pawl

(7) Axle Ring

 

Use precautions :

1. Overload is forbidden .

2. Pls check the flexibility of the Ratchet Pawls (5)& (6) before operation .

3. Make sure the floor jack is on complete balance when operating . Don’t put it on beveled , arc or uneven floor surfaces . The jack must be placed on hard plain ground .

4. Before lifting , make sure the Support Stand(4)(3)supports the goods completely .

5. When several jacks are used at the same time , pls be sure of same lift or down . The whole operation course should be directed .

6. When the floor jack is working , putting any parts of the body under the lifted goods is forbidden .

7. If working force in abnormal in operation , pls stop working immediately and inspect all related transmit components .

8. Lubricate the jack parts regularly .

9. The Upper Support Stand (3) should be on bottom position when the jack is not used

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