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10

9

Daily care

Expendable Parts

4. Instructions to Extend the Life of Product

[Cloth part]

●Brush with a soft brush or tap the surface 

softly and vacuum to remove dust to avoid 

damaging the cloth.

●When  it  gets  dirty  after  extended  period 

of time, wipe with a well wrung soft cloth 

moistened with thin neutral detergent. Wipe 

clean  with  a  damp  cloth.  Be  sure  to  wipe 

detergent completely and wipe again with a 

dry cloth to dry it.

●When  using  alkaline  electrolyzed  water  to 

remove stains, spray directly on the stain and 

brush  with  a  soft brush  taking  care not  to 

damage the cloth. Then, wipe the moisture and 

stain to remove and wait for the cloth to dry.

●When it gets an oily stain, dab and remove it by 

using a dedicated stain remover immediately. 

Then  wipe  with  a  soft  cloth  dampened 

with water, followed by a dry cloth to dry. 

Stains may be permanent depending on the 

material.

[Aluminum part]

●Wipe off with a dry soft clean cloth.
●Immediately wipe off any water.
● I m m e d i a t e l y   w i p e   o f f   a n y   d u s t   o r 

fingerprints (sebum).

[Resin Part]

●Wipe with a well wrung soft cloth moistened.
●If dirt is noticeable, wipe it off with a well 

wrung soft cloth moistened with thin neutral 

detergent.  Be  sure  to  remove  detergent 

completely with a damp cloth and wipe again 

with a dry cloth to dry it.

Do not leave the product with moisture 

remaining  on  it.  Do  not  clean  the 

product  with  organic  solvents  such  as 

thinner or benzene, or with a cloth that 

contains chemicals. Be aware that once 

discoloration or deterioration happens, it 

cannot be reverted to its original state.

Please be careful.

3. How to use the product

Troubleshooting

Problem

Check

Solution

Page

The seat 

cannot be 

lifted up.

Are you sitting on the seat when 

adjusting the seat height?

Adjust the seat height while not seated 

on the seat.

4

Is the seat height in its highest 

position?

The seat cannot be lifted up beyond the 

highest position.

The seat 

cannot be 

lowered.

Are you sitting on the front edge of the 

seat?

Sit in the center of the seat while 

adjusting.

Is the seat height in the lowest 

position?

Sit in the center of the seat while 

adjusting.

Backrest 

does not 

move.

Check whether the dial on the left 

under the seat is in the Locked state.

Set the lever to Unlocked, then lean 

against the backrest.

5

The backrest 

does not 

move.

Check whether the reclining tension 

adjustment dial at the back of the 

seat is set to Strong.

Turn the reclining tension adjustment 

dial to Weak (counterclockwise).

6

Casters do 

not move 

smoothly.

Are they tangled with lint or wool?

Remove lint or wool or replace the 

casters.

Casters are 

slippery.

Are you using urethane casters on 

hard floors such as a plastic tile 

floor?

Use soft casters.

*Please contact an official dealer.

For differences in exterior appearance, please note the following.

Surface appearance (upholstery, plastic, coating, etc.): Color definition 

and  gloss may  slightly  differ  even  for  the  same  color  and  same 

specifications, depending on such factors as material, manufacturing lot, 

and manufacturing conditions.

These  differences 

are not covered by 

the warranty.

After delivery, as time passes surface appearance may undergo some 

change through discoloration, fading, or the effect of light.

Such  changes  are 

not covered by the 

warranty.

Sphere is constructed so that parts which break or become worn over time can be replaced with 

new ones. Contact a dealer for parts replacement. An installation fee will be charged separately.

[Caster Replacement]

Nylon Caster(Normal)

Urethane Caster(Normal)

Urethane Caster(Hollow)

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