KERDOM 933Z Drafting Chair Tall Office Chair Instruction Manual
- June 14, 2024
- KERDOM
Table of Contents
KERDOM 933Z Drafting Chair Tall Office Chair Instruction Manual
Accessories List
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Backrest
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Seat Cushion
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Split Base Tube
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Central Base Tube
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Castors
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Air Rod
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2 Armrests
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Base Plate
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4 Screws (M6X22mm)
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4 Screws (M6X30mm)
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4 Screws (M6X18mm)
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10 Screws (M6X12mm)
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4 Gaskets
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4 Decoration Caps
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Hexagon Wrench
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Foot Ring
Notice [If any question, contact [email protected]]
- Do not stand in this chair or use the chair as a step ladder use it as chair only.This chair is designed for one person to use at a time.
- This chair is designed for one person weighing up to 250lb(113kg).
- Do not use this chair unless all bolts, screws and knobs are firmly secured.
- Check all bolts screws and knobs every 90days. Tighten if any are loose.
- Failure to follow these instructions may result in serious injury or death of yourself and people around you.
- Some of the parts are heavy and/or have shape edge, please install it carefully to avoid hurting you andpeople around you.
Instructions for Use
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Upward adjustment
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Downward adjustment
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Armrest adjustment
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250 LB (113 kg)
Thanks for purchasing our products. Please read this manual before assembly. And please assemble in order. After the assembly, keep the instruction properly. Make sure all the parts are included (16 kinds in total).
Assembly Instruction
Please assemble in a wide and flat place
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Step 1
Take out Split Base Tube (3) and Central Base Tube (4). Insert Split Base Tube (3) into Central Base Tube (4) as shown. You can see there are two screw holes. Align with the holes, tighten Screws M6X12mm (12) with Hexagon Wrench (15) to fix 5 Split Base Tube (3) to Central Base Tube (4). Repeat five times.
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Step 2
Take out Castors (5). Insert Castors (5) into part of Step 1 as shown . There are 5 Castors (5) need to be inserted.
Caution: Confirm castors could Castors (5) must be inserted deeply. Otherwise the easily fall out and the chair could fall down.
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Step 3
Take out Air Rod (6) .Put Air Rod (6) into the hole of Central Base Tube (4)as shown. Put it aside and we’ll use it in Step 8.
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Step 4
Insert the Foot Ring (16) into the assembled Air Rod (6) at your desired height. But at least one inch from the top of the outer circle of Air Rod (6) as shown. Please follow the shown direction of the arrow to tighten the knob by hand on the Foot Ring (16) until the Foot Ring (16) is fixed
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Step 5
Tighten the Screws M6X22mm (9) with Hexagon Wrench (15) to fix 2 Armrests (7) to the back of Backrest (1). Tighten the 4 screws firmly and then cover the screws with Decoration Caps (14)- Caution : Do not tighten the bolts before the product is fully assembled
(14) 4 Decoration Caps
- Caution : Do not tighten the bolts before the product is fully assembled
(9) 4 Screws (M6X22mm
- Step 5
After Step 5, fix the bottom of Armrests (7) to the back of Seat Cushion (2), Tighten the Screws M6X30mm (10) Gasket (13) with Hexagon Wrench (15) firmly.
Caution: There is a FRONT sticker on the front of Seat Cushion (2).
- 4 Screws (M6X30mm)
(13)Gaskets
- Step 7
Fix Base Plate (8) to the bottom of Seat Cushion (2). Tighten the Screws M6X18mm (11) with Hexagon Wrench (15) firmly.
- 4 Screws (M6X18mm)
- Step 8
Pick up the Step 4’s Air Rod (6) and Central Base Tube(4). Insert the Air Rod (6) into Step 7’s Base Plate (8). There’s a hole in the middle of Base Plate (8). Press the Seat Cushion (2) from top to bottom, use your whole body’s strength to insert it firmly, the assembly is complete now.
Caution: If the Air Rod (6) doesn’t insert to Base Plate (8) firmly, it’s likely to fall off when the chair rises up
Activate Your Warranty Now
KERDOM serves you wholeheartedly. Before using the product, we recommend that you scan the QR code and activate the warranty first, so that we can bring you a better after sales guarantee and more considerate service.