DUMOS C-5025 Ergonomic Desk Chair Instruction Manual

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  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
Safety Instruction
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 Instruction

Safety Information

  • Sit in the center of the chair, with your back to the backrest
    Safety Icon
  • Do not sit at the front edge of the chair
    Safety Icon
  • Do not stand on the chair
    Safety Icon
  • Do not use the chair with more than one person
    Safety Icon
  • Do not push the chair around when a person is sitting in it
    Safety Icon
  • Do not push down the backrest when a person is reclining
    Safety Icon
  • Do not place all your weight on only the backrest
    Safety Icon

Package List

  1. 1Backrest
    Backrest
  2. 1Seat Cushion
    Seat Cushion
  3. 1L * 1R Armrest
    Armrests
  4. 1 Mechanism
  5. Gas Lift
    Gas Lift
  6. 1Base
    Base
  7. 5 Legs
  8. 5 Casters
  9. M6*25mm 2 Bolts
    Bolts
  10. M6*20mm  *2 Bolts
    Bolts
  11. M6*25mm *8Bolts
    Bolts
  12. M6*14mm 10Bolts
    Bolts
  13. *8Caps
    Caps
  14. 1 Wrench
    Wrench

Assembly Instruction

  1. Turn Base (6) upside down. Install Legs (7)*5 to the Base (6) with Bolts (12)*10.
    Installation Instruction
  2. Press Casters (8)*5 into the holes at the end of Legs (7)*5.
    Installation Instruction
  3. Turn the Base back, and insert Gas Lift (5) into the center hole of the B
    Installation Instruction
  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
    Installation Instruction
  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)*1L*1R to both sides of the Seat Cushion (2) with Bolts (11)*4.
    NOTE:
    Bolts are only tightened 30%’
    Installation Instruction
  6. Tilt the Backrest (1) down. Attach Armrests (3)*1L*1R to the screw holes on the lower side of the Backrest (1) with Bolts (11)*2.
    NOTE:
    Bolts are only tightened 30%
    Installation Instruction
  7. Rotate the Backrest (1) up. Attach Armrests (3) *1L*1R to the screw holes on the upper side of the Backrest (1) with Bolts (11)*2.
    NOTE:
    Bolts are only tightened 30%.
    Installation Instruction
  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.
    Installation Instruction

Instructions For Use

Installation Instruction
Installation Instruction

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

[email protected]
(909)637-7665 | (909)637-7593

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