Functions - SIHOO M90D Guide De L'utilisateur

User Manual
Assembly Instruction
1 Screw the castors into the 2 Put the gaslift into the center
legs. of the base.
Front side
Use four M6*20 screws and small Use three M8*20 screws and
5
4
shims to connect the lever big shims to connect the
mechanism to the seat bottom. backplate to the seat cushion.
7
Insert the backrest into the slot.

Functions

（The size will be according to regular practice）
Heatrest height adjustment
Armrests height adjustment;
Five gears of height adjustment;
Can move forward and backward,
left and right
Chair height adjustment by pressing
down the hand lever ; Back tilting
position adjustment by pulling out
the hand lever, pushing back the
backrest(click sound) and pushing
the hand lever back to lock up
（The size will be according to regular measurements）
Front side
2 1
3 Use two M6*30 screws and small
shims on position 1 of each sides
and use four M6*40 screws and
small shims on position 2 of each
sides to set up the armrests.
Front side
6 Put the mechansm into the
gaslift.
Chair height adjustment
Tighteness adjustment for
Backrest
+
Installation Safety Guideline
1. Please read through assembly instruction and parts list before any installation.
2. Please put on the protection gloves to avoid any injury when installing.
3. Please check if there are missing parts or any damages.
4. Please cover a paperboard on the floor to avoid any friction damage when proceeding the instllation.
5. Please fasten all the screws and shims into the installation positions.
6. Please be aware that the gaslift would be difficult to remove once installed. Firstly,you can apply a rubber
hammer to remove it by tapping the gaslift head a few times; then you may take out the chair base.
Secondly, tap on the five legs to loosen the gaslift from the base. Please be careful during the operation.
1 2
(Disclaimers: customers will be responsible for any damage or injury caused by misconduct of installation.)
Precautions for use
1. The product was designed for one person only,please do not be seated more than one person.
2. You shall refer to the functions instruction when you are using the product.
3. The product can only be seated when all the screws and parts are fastened. All parts should be checked
on every three months routinely to make sure no loose.
4. Plese use the product on the flat floor. Away from humid enviroment, any fire hazards and direct sunlight.
5. Children under 5 shall be accompanied by adults when using the product.
6. Please do not stand on the chair or use it as a ladder or footsteps.
7. Please do not sit on the armrests in case of causing any danger.
8. Please use a soft cloth to clean up the dust on the product before usage. Do not use rough cloth to wipe
the procuct.
9. For your own safety, please do not uninstall the gaslift.
Parts List
（The size will be according to regular measurements; Screws and shims with one more as a backup)
Castor*5pcs
Backrest*1pc
Lever Mechanism*1pc
Seat cushion*1pc
_
0 1
Titling
Note: Please separate the screws by size before assembly for easy installation.
Base*1pc Headrest*1pc
Big shims*3+1pcs Gaslift*1pc
Hex Wrench*1pc Lever Mechanism Screw(M6*20)*4+1pcs
Armrests Screw(M6*30)*2+1pcs
Backrest screw(M8*20)*3+1pcs
2 3 4 5 6 7
Armrests*1pair
Small shims*10+1pcs
Armrests Screw(M6*40)*4+1pcs
8 9 10 cm