DUMOS C-5025 Ergonomic Desk Chair Instruction Manual
Contents
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
- 1Backrest
- 1Seat Cushion
- 1L * 1R Armrest
- 1 Mechanism
- Gas Lift
- 1Base
- 5 Legs
- 5 Casters
- M6*25mm 2 Bolts
- M6*20mm *2 Bolts
- M6*25mm *8Bolts
- M6*14mm 10Bolts
- *8Caps
- 1 Wrench
Assembly Instruction
- Turn Base (6) upside down. Install Legs (7)*5 to the Base (6) with Bolts (12)*10.
- Press Casters (8)*5 into the holes at the end of Legs (7)*5.
- Turn the Base back, and insert Gas Lift (5) into the center hole of the B
- 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
- 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%’
- 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%
- 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%.
- 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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