DUMOS C-5025 Ergonomic Desk Chair Instruction Manual

DUMOS C-5025 Ergonomic Desk Chair Instruction Manual

Product Instruction

To deodorize the leather please leave the chair in shady outside for 1-2 days

For longer use
Re-tighten bolts every 6 months by using the enclosed allen-key. *Using an electric drill can damage the chair. Please re-tighten bolts manually.

Safety Information

• Sit in the center of the chair, with your back to the backrest
  

• Do not sit at the front edge of the chair
  

• Do not stand on the chair
  

• Do not use the chair with more than one person
  

• Do not push the chair around when a person is sitting in it

• Do not push down the backrest when a person is reclining

• Do not place all your weight on only the backrest

Package List

1. 1Backrest

2. 1Seat Cushion

3. 1L * 1R Armrest

4. 1 Mechanism

5. Gas Lift

6. 1Base

7. 5 Legs

8. 5 Casters

9. M6*25mm 2 Bolts

10. M620mm  2 Bolts

11. M625mm 8Bolts

12. M6*14mm 10Bolts

13. *8Caps

14. 1 Wrench

Assembly Instruction

1. Turn Base (6) upside down. Install Legs (7)5 to the Base (6) with Bolts (12)10.
   

2. Press Casters (8)5 into the holes at the end of Legs (7)5.
   

3. Turn the Base back, and insert Gas Lift (5) into the center hole of the B
   

4. Attach Mechanism (4) to the Seat Cushion (2) with Bolts (9)2 at the front and Bolts (10)2 at the back.
   NOTE:
   Make sure the “FRONT” direction of Mechanism (4) and Seat Cushion (2) are the same
   

5. Align the center hole of the Seat Mechanism with Gas Lift (5)and press the Seat Cushion down until it is fully secured. Attach Armrests (3)1L1R to both sides of the Seat Cushion (2) with Bolts (11)*4.
   NOTE:
   Bolts are only tightened 30%’
   

6. Tilt the Backrest (1) down. Attach Armrests (3)1L1R to the screw holes on the lower side of the Backrest (1) with Bolts (11)*2.
   NOTE:
   Bolts are only tightened 30%
   

7. Rotate the Backrest (1) up. Attach Armrests (3) 1L1R to the screw holes on the upper side of the Backrest (1) with Bolts (11)*2.
   NOTE:
   Bolts are only tightened 30%.

8. Adjust the balance on each side of the Chair, and 100% tighten the Bolts (11)8 on both sides of the Armrests. Then Press Caps (13)8 into screw holes of each side.
   

Instructions For Use

CAUTION:

• Before using the chair, check to ensure that all bolts are fully tightened.
• Lubricate all parts and tighten all bolts every 6 months or whenever needed

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