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Visit our website at: http://www.harborfreight.com

Email our technical support at: [email protected]

Heavy Duty  

Long Ram  

Hydraulic Jack

64523 - 3-Ton Round

64525 - 8-Ton Round

64524 - 3-Ton Flat

64526 - 8-Ton Flat

Owner’s Manual & Safety Instructions

Save This Manual

 

Keep this manual for the safety warnings and precautions, assembly, 

operating, inspection, maintenance and cleaning procedures.  Write the product’s serial number in the 
back of the manual near the assembly diagram (or month and year of purchase if product has no number). 
Keep this manual and the receipt in a safe and dry place for future reference.

 

18f

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

©

 2018 by Harbor Freight Tools

®

.  All rights reserved.  

No portion of this manual or any artwork contained herein may be reproduced in 

any shape or form without the express written consent of Harbor Freight Tools.  

Diagrams within this manual may not be drawn proportionally.  Due to continuing 

improvements, actual product may differ slightly from the product described herein.  

Tools required for assembly and service may not be included.

Read this material before using this product. 
Failure to do so can result in serious injury. 
SAVE THIS MANUAL.

Summary of Contents for 64523

Page 1: ...the receipt in a safe and dry place for future reference 18f 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...

Page 2: ...8 x 5 1 4 Flat 5 8 WARNING SYMBOLS AND DEFINITIONS This is the safety alert symbol It is used to alert you to potential personal injury hazards Obey all safety messages that follow this symbol to avoi...

Page 3: ...es 10 Inspect before every use do not use if parts loose or damaged 11 Keep your work area clean and well lit Cluttered work areas invite accidents 12 Keep bystanders children and visitors away while...

Page 4: ...gned for this type of Jack before use Mounting points maximum length and rating must be IDENTICAL Do not mount on different device or use while not mounted properly Note Do not mount upside down Note...

Page 5: ...g 2 Turn the Release Valve counterclockwise 3 Insert the Handle into the Handle Socket 4 Apply pressure to the lifting point and pump the Handle quickly several times 5 Check the Oil Fill Hole and if...

Page 6: ...s and instructions 1 Before each use thoroughly test the Jack for proper operation prior to its actual use If the Jack appears not to be working properly follow Bleeding instructions on page 5 2 Clear...

Page 7: ...ollowing general Jack instructions do not cover necessary device specific operation warnings and instructions Note Jack must have load on Piston to retract 1 Clear area near device and Jack 2 Slowly t...

Page 8: ...peration 2 Before each use thoroughly test the Jack for proper operation prior to its actual use If the Jack appears not to be working properly follow Bleeding instructions on page 5 3 Change the hydr...

Page 9: ...POSSIBLE SYMPTOMS PROBABLE SOLUTION Make certain that the Jack is not supporting a load while attempting a solution Jack will not lift at its weight capacity Saddle lowers under load Pump stroke feels...

Page 10: ...RODUCT OR REPLACEMENT PARTS THERETO OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO Parts List and Diagram Parts List Part Description Qty 1 Top Nut 1 2 O Ring 1 3 Sealing Gaske...

Page 11: ...Page 11 For technical questions please call 1 888 866 5797 Long Ram Jack Assembly Diagram 1 2 3 4 6 14 18 19 21 22 12 23 13a 13b 12 24 25 12 11 10 9 8 26 27 7 15 16 17 20 5...

Page 12: ...o the above limitation of exclusion may not apply to you THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS To take a...

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