UMI M21 Manual De Instrucciones página 2

User Manual
Assemble Introduction
1 2
Press the casters into the base. Insert the gas lift to the base.
Front
4 5
Fix the mechanism to the seat Fix the backplate to the seat
cushion with 4pcs small shim cushion with 3pcs big shim
and 4pcs (M6*16) screws. and 3pcs (M8*40) screws.
Contact us:
Umiexport010@outlook.com
Fix the headrest to the backrest
7
with 1pc (M6*20) screw, then put
the decorative cover onto it, the
chair is assembled.
1. One chair can only bear one person's weight, don't let the children who under 5-year-old sit
alone in the chair；
2. Please put the chair on a flat floor.
Please read the
3. Please don't sit on the armrest, stand on the chair or use it as a ladder or footsteps in case they
cause some danger；
Safety Instructions
4. Don't use chemical cleaners to clean the chair, but also to avoid contact with acid, alkali and
below carefully.
other corrosive liquids；
5. Don't use sharp or hooked objects to scrape the chair and do not get it close to the fire；
6. To avoid any harm to your fingers, don't insert your finger into the mechanism while sitting；
adjustment components；
7. To prevent fall off the chair, please control your gravity when you tilt the swivel chair;
8. Please note that only trained personnel can replace or repair the gas lift.
9. To avoid scraping, do not use the chair on the wooden floor directly.
10. The office chair using environment is home and office.
(The size will be according to regular measurements)
Front
3
Fix the armrest to the seat cushion
with 6pcs small shim and 6pcs
(M6*20) screws.
6
Put the mechanism into the gas
lift.
Functions
(The size will be according to regular measurements)
3D armrest(height;horizontal;
forward and backward
adjustment)
Seat height adjustment
(Pull the handle down)；
Backrest tilt angle adjustment
(Pull out adjustment, push
in lock)
Parts list
(The size will be according to regular measurements; One more as a backup)
Caster:5pcs Base:1pc
Seat cushion:1pc Backrest:1pc
Gas lift:1pc
Big Shim:3+1pcs
Back plate screw(M8*40):3+1pcs Armrest Screw / Headrest Screw(M6*20): 7+1pcs
0 1 2 3 4
Lumbar support
height adjustment
Backrest tilt tension
adjustment
Mechanism:1pc Armrest:1pair
Headrest:1pc Small Shim:10+1pcs
Decorative cover： 1pc
Mechanical Screw (M6*16): 4+1pcs
Hexagon wrench： 1pc
Notice: Before installation,
please classify the screw,
measure the screw length
for easy assembly.
5 6 7 8 9 10 cm