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 FEHN ASSEMBLY INSTRUCTIONS  

CONTINUED

D

 FEHN ASSEMBLY INSTRUCTIONS  

CONTINUED

Step 3:  

Step 2:  

brass piston

seat tube

  

Unfold the Seat Tube and Brass Piston.  Place the Ball End of the Brass Piston into the 

     Piston Lock Pocket on the base.   

  

Pull down on the Seat Tube until the Brass Piston Ball End is securely locked into the 

    Piston Lock Pocket.  You will hear a loud click when it locks securely. 

  

Caution: 

Do Not sit on the Fehn unless you are certain that the bottom of the Brass 

    Piston is securely locked into the Piston Lock Pocket. 

 

 

(If you later need to fold the Fehn up for transport, use the Pull Pin to release the 

    Brass Piston from the Piston Lock Pocket)

piston lock pocket

pull pin 

foot rest tube

  

Unfold the Foot Rest Tube until the slot at bottom fits over the threaded post on the base.  

  

Screw the Knob (D) onto the post until it is firmly tightened against the base.  You should not   

    be able to fold the Foot Rest Tube when it is installed properly. 

threaded post

brass piston 

ball end

 FEHN ASSEMBLY INSTRUCTIONS  

CONTINUED

 FEHN ASSEMBLY INSTRUCTIONS  

CONTINUED

Step 4:  

seat mount block 

F

G

H

I

J

  

Install the Seat (E) into the Seat Mount Block placing the washers in the order dipicted

    above.  The Bronze Washers (G) should be placed above the Seat Mount Block. The Belleville 
    Cone Washer (H) should be driectly below the Seat Mount Block with the high point of the  
    cone facing down. The Stainlees Steel Washer (I) should be placed below the Belleville Cone          
    Washer.  

  

Use the 9/16” Wrench (J) to tighten the 3/8” Bolt (F) securely into the hole underneath the    

    Seat Mount Block.  

E

Belleville Washer (H) 

installed with cone 

facing down 

3

4

Please read the complete Warning on page 1 of 

this manual carefully before using the FEHN.

IMPORTANT:

 Before using the FEHN follow the Setup 

Instructions on the following pages or watch the video at 

www.TheFehn.com/setup to ensure the chair 

is adjusted properly for your comfort and body!

Summary of Contents for 700L

Page 1: ...ol RI 02809 401 655 1299 info thefehn com www thefehn com FEHN www thefehn com User Manual Assembly Instructions Thank you for choosing the FEHN Please visit our website www thefehn com or contact us...

Page 2: ...arder to rock the seat Turn it counter clockwise to decrease the resistance fig 14 Test different settings to find the sweet spot that gives you the optimal amount of movement and support Confirming a...

Page 3: ...capable of using the FEHN chair If you have any doubts about your ability to use the FEHN safely including without limitation vertigo balance issues or another injury or impairment consult a physician...

Page 4: ...YOUR FEHN Optimal Setup Elbows form an angle that is slightly larger than 90 degrees Back lined up with the back edge of seat Knees slightly bent Feet comfortably reach bottom foot rest Follow the ins...

Page 5: ...gainst the base You should not be able to fold the Foot Rest Tube when it is installed properly threaded post brass piston ball end FEHN ASSEMBLY INSTRUCTIONS CONTINUED FEHN ASSEMBLY INSTRUCTIONS CONT...

Page 6: ...gainst the base You should not be able to fold the Foot Rest Tube when it is installed properly threaded post brass piston ball end FEHN ASSEMBLY INSTRUCTIONS CONTINUED FEHN ASSEMBLY INSTRUCTIONS CONT...

Page 7: ...YOUR FEHN Optimal Setup Elbows form an angle that is slightly larger than 90 degrees Back lined up with the back edge of seat Knees slightly bent Feet comfortably reach bottom foot rest Follow the ins...

Page 8: ...capable of using the FEHN chair If you have any doubts about your ability to use the FEHN safely including without limitation vertigo balance issues or another injury or impairment consult a physician...

Page 9: ...arder to rock the seat Turn it counter clockwise to decrease the resistance fig 14 Test different settings to find the sweet spot that gives you the optimal amount of movement and support Confirming a...

Page 10: ...ll ground economy ship all replacement warranty Products or components to claimant Charges will apply for any alternative shipping methods requested by claimant Product shipped outside of its initial...

Page 11: ...ol RI 02809 401 655 1299 info thefehn com www thefehn com FEHN www thefehn com User Manual Assembly Instructions Thank you for choosing the FEHN Please visit our website www thefehn com or contact us...

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