Part attachment and replacement
GB
Adjustable arm (option)/Design arm (option)
attachment and replacement
Attach the arms to the frame arm attachment locations by
using hexagon socket bolts (M8 x 25L) and washers.
Tools: 6mm hexagonal wrench (Allen wrench)
Caster attachment and replacement
Casters are designed as a single unit with shafts and are
attached by inserting the shafts.
(1) Turn the chair upside down.
(2) Holding the caster, pull the caster strongly to remove.
(3) Attach a caster by inserting the tip of the caster shaft into
the chair leg.
(4) Push the caster to insert fully.
If the caster shaft is difficult to insert, use a wooden hammer
or other appropriate tool to lightly tap on the caster to
insert. If the caster is struck too strongly, it may damage the
caster, so exercise caution.
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Adjustable arm
Frame
Hexagon socket bolt
(M8 x 25L)
①
Washer
Design arm
Frame
Hexagon socket bolt
①
(M8 x 25L)
Washer
Caster
If the caster shaft is difficult to remove, insert
a flathead screwdriver between the leg and
caster shaft.
Headrest (option) attachment and replacement
(1) Attach the Headrest on the backside of the backrest by
securing it with hexagon socket bolts (M6 x 25L) and
hexagon nuts (M6).
(2) Attach the cover on the attachment by using the tabs.
Make sure that the Headrest is secured completely before
using.
Tools: 5mm hexagonal wrench (Allen wrench)
Hanger (option) attachment and replacement
(1) Attach the Hanger on the backside of the backrest by
securing it with hexagon socket bolts (M6 x 20L) and
hexagon nuts (M6).
(2) Attach the cover on the attachment by using the tabs.
Make sure that the Hanger is secured completely before
using.
Tools: 5mm hexagonal wrench (Allen wrench)
Headrest (option) and Hanger (option) attachment
and replacement
The Headrest and Hanger can be attached at the same time
as shown in the illustration.
Attach the Headrest first, and then attach the Hanger. Then,
attach the cover on the attachment by using the tabs.
To remove, perform the procedure above in the reverse
order.
Make sure that the Headrest and Hanger are secured
completely before using.
Tools: 5mm hexagonal wrench (Allen wrench)
Headrest
Cover
②
Hexagon
socket
Backrest
bolt (M6 x
25L)
Hexagon
①
nut (M6)
Hanger
Cover
②
Hexagon
socket
Backrest
bolt (M6 x
20L)
①
Hexagon
nut (M6)
Hanger
Cover
②
Hexagon
Backrest
socket bolt
(M6 x 35L)
Headrest
Hexagon
①
nut (M6)
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