Okamura 865JBC Installation guide

Chair
865JBC
Important Document
Assembly/
Instruction Manual
You need a Phillips Screwdriver
for assembling. Please prepare it beforehand.
Do not use an Electric driver as it may cause a
damage on the product.
Product Code (Attached to bottom of the duckboard)
Quality label (Attached to bottom of the duckboard)

Pleasecheckbeforeassembling
Aboutthefixingheightofbackboardandseat
ThischairisdesignedinaccordancewithJISschoolfurniturestandards.
Theseatcanbeadjustedtofivedifferentheightssuitableforusersbetween
JISsize2(120cmheight)andJISsize6(180cmheight)
Determinethepositionbasedontheuser'sactualheightandbody
dimensions.
Unit:cm
JISsize ② ③ ④ ⑤ ⑥
120 135 150 165 180
Seatheight
30 34 38 42 46
Seatdepth 29 33 36 38 40
Partslist
(Makesuretochecktheinformationbelowbeforeyoustartassembling.)
Connectingbolt Ureaheadscrew Protection
withawasher Sticker
X12 X12 X1 X1
Note:UseaPhillipsscrewdriverforassembly.
Donotuseanelectricscrewdriverorpowertools,astheymaydamagetheproduct.
Useamanualscewdriverinstead.
Upperframex1 Backboardx1
Seatpanx1
Duckboardx1 Connectionpartsx1
1Assemblingleg,duckboard,backboardandconnectionparts
Threadconnectingboltsintotheholesofalegandattachaduckboard,upperframe,backboardandtheconeectionpartswiththem.
Aftertheaboveaction,attachtheotherlegwiththeconnectingboltstentatively..
Standardheight
Chair
Actualsize
⑥
⑤ （Back board)
④
③
②
⑥
⑤ （Seat)
④
③
Left
leg
Right leg
Attention the
upper and the
bottom side of
the board.
Upper
Bottom
Left leg
Upper frame
Dowel
Back board
The reinforcement board
side is back and bottom
The connecting parts
Duckboard
Right leg
★Tighten the screws loosely until
attach the seat pan.

2Attachingtheseatpan
Inserttheseatpanfromthebacksideoftheassembledframeandpushthe
L-shapemetaloftheconnectingparts(front)intothegrooveoftheseat
pan.Thentightenitwiththeconnectingbolts（ア）loosely.
TightentheUreaheadscrew(イ）tightly.Atlast,tightenalltheconnecting
bolts(ア)firmly.
3AttachmentoftheProtectionStickers
Attachtheprotectionstickers(ウ)atthepointswherethechaircomesinto
contactwithadesk.Thestickersprotectthechairanddeskfromscratcing
eachother.Usescussorstocutoutportionssoftheappropriatesize.And
attachthemwherethedesk,chairandotheritemscomeintocontactwith
eachother.
Attachthestickerstoflatsurfaces.Ifasurfaceisdirty,wipeitclean
beforeapplyingthsticker.
Ｃｈａｎｇｅ ｏｆ ｔｈｅ ｈｅｉｇｈｔ
Changetheheightoftheseatpan
andthebackboard
(1)Untightentheconnectingbolts①andthe
Ureaheadscrew②,locatedthebacksieofthe
seatpan.
(2)Untighteneitherof③connectigbolts,
whichbindtheupperframeandtheduckboard.
(3)Takeoff④connectingboltsandchangethe
heightofthebackboard.Thentightenthe④
connectingboltsagain.
(4)Takeoff⑤connectingboltsandchangethe
heightoftheconnectingparts(front),
thenfixthemagain.
(5)RefertoItem2"AttachingtotheSeatpan",
installtheSeatpan.
(6)Tighten③connectingboltsfirmly.
Backside of
seat
Seat pan
Connectig parts
Groove
L-shape metal
Connecting parts
(front) washer
Metal parts
Okamura Corporation
Internation al Sales and Marketing Div.
2-14-27, Akasaka, Minato-ku, Tokyo 107-0052 Japan
http://www.okamura.co.jp
Seat pan
The chair can change the height of the back board and
the seat pan in accordance with a user's height.
Back board
Back side of
the seat
Metal partsSeat pan
Urea head
screw
Connecting
parts (front)
Connecting parts