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For technical questions, please call 1-888-866-5797.

Floor Jack 

        

IMPORTANT SAFETY INFORMATION

1.  Study, understand, and follow all instructions 

before operating this device.  

2.  Do not exceed rated capacity. 

3.  Use only on hard, level surfaces. 

4.  Lifting device only. Immediately after lifting, 

support the vehicle with appropriate means. 

5.  Do not move or dolly the vehicle while on the jack. 

6.  Failure to heed these markings may result in 

personal injury and/or property damage.  

7.  Lift only areas of the vehicle as specified 

by the vehicle manufacturer. 

8.  No alterations shall be made to this product. 

9.  Never work on, under or around a load 

supported only by this device.

10. Do not adjust safety valve. 

11.  Wear ANSI-approved safety goggles and 

heavy-duty work gloves during use. 

12. Keep clear of load while lifting and lowering. 

13. Lower load slowly. 

14. Apply parking brake and chock tires 

before lifting vehicle. 

15. Lift vehicle only at manufacturer 

recommended locations. 

16. Inspect before every use; do not use if parts are 

loose or damaged, or if leaking hydraulic fluid. 

17. Do not use for aircraft purposes.

18. Do not use any objects (such as blocks of wood) in 

between Saddle Pad or Saddle and lifting point.   

Objects placed on the Saddle will reduce 

the stability of the Jack, and could allow the 

vehicle to slip off the Saddle and fall.

19. The warnings, precautions, and instructions 

discussed in this manual cannot cover all 

possible conditions and situations that may occur.  

The operator must understand that common sense 

and caution are factors, which cannot be built into 

this product, but must be supplied by the operator.

20. The Handle Socket will be held down by 

a plastic block under tension. Wear ANSI-

approved safety goggles before freeing Handle 

Socket.  Hold Handle Socket down while 

removing block.  After removal, carefully swing 

Handle Socket up until tension is released. 

21. People with pacemakers should consult their 

physician(s) before use.  Electromagnetic fields in 

close proximity to heart pacemaker could cause 

pacemaker interference or pacemaker failure.

 SAVE THESE INSTRUCTIONS.

IMPORTANT!  Before first use:

 

Check hydraulic oil level and fill to 1/4″ below the Fill Plug hole as needed as stated on page 6. Thoroughly test 

the Jack for proper operation.  If it does not work properly, bleed air from its hydraulic system as stated on page 6.

Summary of Contents for DS400S

Page 1: ...nce 22j When unpacking make sure that the product is intact and undamaged If any parts are missing or broken please call 1 888 866 5797 as soon as possible Copyright 2022 by Harbor Freight Tools All r...

Page 2: ...not use for aircraft purposes 18 Do not use any objects such as blocks of wood in between Saddle Pad or Saddle and lifting point Objects placed on the Saddle will reduce the stability of the Jack and...

Page 3: ...safety messages that follow this symbol to avoid possible injury or death Indicates a hazardous situation which if not avoided will result in death or serious injury Indicates a hazardous situation wh...

Page 4: ...pacity lb 8 000 Maximum Height in 20 562 Minimum Height in 4 125 Handle Length in 49 Front Wheel Diameter in 3 27 Front Wheel Width in 1 97 Rear Caster Diameter in 2 56 Rear Caster Width in 1 38 Saddl...

Page 5: ...Page 5 For technical questions please call 1 888 866 5797 Floor Jack Overview Saddle Pad Saddle Handle Foam Bumper Handle Socket Handle Release behind Socket Contoured Lift Arm...

Page 6: ...end of the Cover Plate that is closer to the Saddle Swing the Cover Plate open See Figure A 2 Remove the Fill Plug on top of the Cylinder Check that the oil level inside the Cylinder is at the top of...

Page 7: ...to in the vehicle owner s manual Always use two jack stands position them at the same point on each side of the vehicle WARNING The rated capacity of jack stands is per pair not the individual capaci...

Page 8: ...n a safe dry location out of reach of children and other non authorized people NOTICE Storing the Jack in a humid area or exposing it to corrosive vapor voids the warranty 3 Weekly Jack Lubrication a...

Page 9: ...le lowers under load Pump stroke feels spongy or Saddle does not lift all the way Handle moves up when Jack under load Fill Plug leaking oil or Jack will not lower without a load X X Check that Releas...

Page 10: ...Ring 18 2 34 Zerk Fitting 1 35 Lift Arm 1 36 Saddle 1 37 Saddle Screw 1 38 Handle Bumper 1 39 Saddle Pad 1 PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND OR DISTRIBUTOR HAS PROVIDED THE PAR...

Page 11: ...l number record month and year of purchase instead Note Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts Parts may not be intercha...

Page 12: ...usion or limitation of incidental or consequential damages so the above limitation of exclusion may not apply to you THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLU...

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