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

Item 64781 

        

Set Up

  Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this 

manual including all text under subheadings therein before set up or use of this product.

Removing Shipping Clip

CAUTION! The Handle socket may be held down by a clip under tension.  Wear ANSI-
approved safety goggles before freeing Handle socket.  Remove clip carefully. 

A wire clip holds the Handle Socket in position during shipment.  This helps prevents shipping damage.  To remove it:

1.  Press down on the Handle Socket to 

relieve tension on the wire clip.

2.  Disconnect the wire clip legs from the bar.

3.  Slowly raise the Handle Socket 

until tension is released.

4.  Remove the wire clip.

Attaching the Handle

1.  Slide the Upper Handle into the Lower Handle.  

Line the Button on the Lower Handle up with the 
hole in the Upper Handle until it clicks into place.

2.  Loosen the Handle Release Bolt and insert the 

grooved end of the Handle into the Handle Socket.

3.  Tighten the Handle Release Bolt.  Gently pull up 

on the Handle to make sure that it is secure.

Bleeding Trapped Air

1.  With the Jack fully lowered, remove both Screws 

on the end of the Cover Plate that is closer to the 
Saddle.  Swing Cover Plate open.  See Figure A.

2.  Remove the Fill Plug on top of the Cylinder.  

Check that the oil level inside the Cylinder just 
covers the top of the Piston.  See Figure B.

3.  Turn the Handle counterclockwise to open the valve.

4.  Pump the Handle up and down quickly 

10-15 times to force air from the system.

5.  Replace the Fill Plug, close the 

Cover Plate, and reinstall the Screws.

Fill Plug

Safety Valve Covers  

Do not open or adjust.

Figure A:  Hydraulic Unit

Adding Oil

NOTICE:

 To prevent damage and premature wear, 

use only non-detergent 22 weight hydraulic jack oil.

1.  With the Jack fully lowered, remove both Screws 

on the end of the Cover Plate that is closer to 
the Saddle.  Swing the Cover Plate open.

2.  Remove the Fill Plug on top of the Cylinder.

3.  Add non-detergent 22 weight hydraulic jack oil 

into the Fill Plug hole slowly until the oil level just 
covers the top of the Piston inside the Cylinder.

4.  Replace the Fill Plug, close the 

Cover Plate, and reinstall the Screws.

Fill Plug

Cylinder 

Piston

Oil

FILL LEVEL

Figure B:  Fill Level

Summary of Contents for DS300LRB

Page 1: ...ference 20g 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 2020 by Harbor Freight Tools A...

Page 2: ...5 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 n...

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: ...3 Tons Weight Capacity lb 6 000 Maximum Height in 24 25 Minimum Height in 3 25 Handle Length in 50 125 Front Wheel Diameter in 2 58 Front Wheel Width in 1 20 Rear Caster Diameter in 2 83 Rear Caster...

Page 5: ...Page 5 For technical questions please call 1 888 866 5797 Item 64781 Overview Saddle Handle Foam Bumper Handle Socket Handle Release Bolt Foot Pedal Lift Arm...

Page 6: ...Bolt Gently pull up on the Handle to make sure that it is secure Bleeding Trapped Air 1 With the Jack fully lowered remove both Screws on the end of the Cover Plate that is closer to the Saddle Swing...

Page 7: ...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 capacities...

Page 8: ...6 2 AFTER USE wipe dry with a clean cloth Then store the Jack in 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...

Page 9: ...attempting a solution Jack will not lift at capacity Saddle 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...

Page 10: ...D BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE BUYER THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERE...

Page 11: ...11 For technical questions please call 1 888 866 5797 Item 64781 Assembly Diagram 2 4 5 16 19 21 22 27 37 36 24 26 32 10 1 23 25 6 41 40 39 3 10 11 13 14 15 12 17 18 20 34 34 33 31 28 30 8 9 35 38 7 2...

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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