Costway CB10172 User manual

USER'S MANUAL
GAMING CHAIR
CB10172

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Safety and Compliance
◆Please wear the gloves when assembling ,avoid scratching your hands.
◆Please take the bolts out carefully.
◆Please read the instructions completely before assembly.
◆Remove all parts from the carton and ensure all parts are included prior
to assembly. Assemble the chair on the carton or carpet to prevent
scratching the chair.
◆Be careful not to cross-thread screws.Do not use power tools.

Contents
Make sure that the package contains the following parts
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ABack cushion (1)
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DMechanism (1)
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GCasters (5)
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JM8*35 bolts (2)
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MPlastic washers(2)
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FStar base (1)
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CArms (2)
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BSeat cushion (1)
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EGas lift (1)
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HM6*35 bolts (4) ○ IM6*25 bolts (4)
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LBig washers (2)
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KSmall washers (4)
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N6mm wrench (1) ○ PM6*40 bolts (2)
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RBack lift (1) ○ S5*16 bolts (2)
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QSteel plate cover (1)

Assembly Instructions
Step 1: Turn the star base upside down,then press the casters into the
holes at the end of each.
Steps 2:Turn the star base upright and insert the lift with cover into the
center hole of the star base.(The gas lift cover has been removed when
products leave the factory.)

Step 3: Attach the arms to the seat cushion using four (H) bolts,and
two (P) bolts and two (M) plastic washers ussing the 6mm wrench
(N).
Step 4: Align the mechanism over the pre-drilled holes
underneath the seat cushion.Make sure that the front of the
mechanism is facing the front of the seat cushion.
Attach the mechanism to the seat cushion by inserting four (I) bolts
and four (k) small washers to the hole.Tighten all the bolts with the
6mm wrench (N),be careful not to miss-thread the bolts or damage
the seat.

Step 5: Use two (J) bolts and two (L) big washers to connect the
back lift (R) to the back cushion (A),which needs to be inserted into
the hole of the back lift alignment mechanism.Using two (S) small
bolts to connect the steel plate cover ( Q ) to back using the 6mm
wrench (N).

Step 6:Turn the seat cushion upright and align the center hole of the
mechanism over the lift, then push the seat cushion down onto the lift
firmly until the connection is secure.
Caution:
For your safety,before using your chair, make sure that all of the bolts
are fully tightened.
Keep the enclosed wrench and check bolts periodically to make sure
they remain securely tightened.

Adjustments
Adjusting the seat height
●To raise your seat, lean forward to lift your body weight from the
seat,then pull down the control handle (1).
●To lower the seat, pull down the control handle (1) while you‘re
seated.

Adjustments backrest height
●To raise the backrest,turn the handle(3) and then raise the
backrest to your desired height.
●To lower the backrest, turn the handle (3) and then press the
backrest down to your desired height.

To operate the tilt lockout
●To a certain extent,you can control your chair to tilt backward by
pulling the handle upwards
●To allow your chair to tilt back freely ,flip the control handle (2) to
the top.
●To prevent your chair from tilting back,flip the control handle (2) to
the bottom.
◆When you are leaning back, you need to flip the handle (2) up, and
then you are free to lean back at an Angle.
◆When you want to control the Angle of the back, you need to pull
the handle up to get the Angle you want, and then pull the handle (2)
down to the bottom.
◆When you want to return to the vertical position, you need to flip the
handle (2) to the top position. When the backrest is back to the
vertical position,flip the handle (2) to the bottom position again. The
chair will remain in the vertical position without leaning back.

After-Sales Service
How to remove and replace office chair and seat plate.
3.Insert the gas lift into 5-star base, 4.Finish.
connect two parts together.
1.Hammer the seat plate
(see pictures) until the 5-star
base falls down.
2.Hammer the gas lift (see
pictures) until the gas lift falls
down.