SIHOO M57 Ergonomic Office Chair Installation Guide

Welcome

Hello Friend,

Thank you for choosing a SIHOO office chair. If you need an installation video, please visit our official website at sihoooffice.com. The chair comes with a product warranty service. If there is any problem with the chair, please contact our after-sales service department on the SIHOO store immediately. We are confident they will provide you with a satisfactory solution. If the chair meets your needs, we welcome you to share your feedback.

Please feel free to contact us via email: service@sihoooffice.com

Thank you for being one of our customers. We love our customers, and if you need us, we will always be here.

SIHOO

Recycling Information:

Think about giving or recycling. Separate elements before sorting.

https://quefairedemesdechets.fr

CAUTION! Work on gas springs only by trained specialist personnel.

ACHTUNG! Arbeiten an Gasfedern nur durch eingewiesenes Fachpersonal.

Contents

• 1. User Manual
• 2. Benutzerhandbuch
• 3. Manuel utilisateur
• 4. Manuale utente
• 5. Manual de usuario
• 6. 組立説明書
• 7. دليل الاستخدام

User Manual - Assembly Introduction

1. Use 10 screws of M6*12 specification to fix the five chair leg tubes to the chair leg tube connection base and then insert the wheels.
2. First, insert the chair foot trim cover into the chair foot, and then put the air pressure rod into the middle hole of the chair leg tube connection base.
3. Fix the armrest to the seat cushion with 6pcs small shim and 6pcs (M6*20) screws.
4. Fix the mechanism to the seat cushion with 4pcs small shim and 4pcs (M6*20) screws.
5. Fix the back plate to the seat cushion with 3pcs big shim and 3pcs (M8*45) screws.
6. Put the mechanism into the gaslift.
7. Insert the headrest into the slot.

Safety Instructions:

1. Please use on a flat floor and one chair can only bear one person's weight.
2. To avoid using the wrong screws, please fix all the screws before tightening them.
3. Please do not let the child sit on the chair alone if they are under 5 years old.
4. Please do not sit on the armrest, in case it causes danger.
5. Do not stand on the chair or use it as a ladder or footsteps.
6. Please do not overweight the chair, or use it as a trolley.
7. Do not use sharp or hooked objects to scrape the chair and do not get it close to the fire.
8. To avoid any harm to your fingers, do not insert your finger into the mechanism while sitting.

Functions

• 3D Armrest Adjustment: Height, forward/backward, and horizontal adjustment.
• Headrest Height Adjustment
• Lumbar Support Depth & Height Adjustment
• Seat Height Adjustment
• Backrest Tilt Angle Adjustment
• Backrest Tilt Tension Adjustment

Parts List

(The size will be according to regular measurements; one more as a backup)

• Castor: 5pcs
• Chair leg tube: 5 pieces
• Gas lift: 1pc
• Armrest: 1 pair
• Seat cushion: 1pc
• Backrest: 1pc
• Mechanism: 1pc
• Hex wrench: 1pc
• Small Shim: 10+1pcs
• Big Shim: 3+1pcs
• Headrest: 1pc
• Back plate screw (M8*45): 3+1pcs
• Armrest screw/Mechanism screw (M6*20): 10+1pcs
• Chair leg tube connection base: 1 piece
• Chair leg screw (M6*12): 10+1 pieces
• Chair foot trim cover: 1 piece

Notice: Before installation, please classify the screws by their length to facilitate assembly.

Help Center

About Products:

• Q: The backrest mesh is broken.
  A: Please contact us, and we will arrange the delivery of a replacement.
• Q: The chair is too short for me.
  A: Please adjust it to the maximum height to see if it's suitable for you. If not, we recommend changing the gas lift.
• Q: What if I receive a damaged or incorrect product?
  A: If you receive a defective, incorrect, or incomplete product, please contact us immediately and keep all items and packaging materials until your claim is resolved. If your replacement product is out of stock, we will notify you immediately of the estimated arrival date and work with you to suggest a suitable replacement product.
• Q: I hear noises when sitting on the chair.
  A: Please check if all parts of the chair have been installed tightly. If not, there might be a problem with the mechanism, and we recommend you send us a video for further evidence first.
• Q: Why would the armrest shake?
  A: Please check whether the screws are tightened enough first, then check the shaking of the armrest pad.
• Q: The backrest shakes.
  A: The backrest might not be installed tightly. It's recommended to reinstall it first.
• Q: There is an abnormal odor when the chair is taken out of the box.
  A: Please leave the chair in an airy room for 2-3 days before use.
• Q: There are scratches or cracks in the backrest or other parts.
  A: We hope this does not affect the normal use of the chair, and you can consult us for the replacement of the flawed parts.
• Q: There are missing parts in this order.
  A: In this case, please inform us which parts are missing with your order number and offer us a photo of all the parts you currently have. Then we will report this to the factory and arrange the delivery or work with you to find a satisfactory solution.

General Comfort Issues:

• Q: The chair makes me uncomfortable, but I cannot find where the problem is.
  A: We are sorry to hear that you are having an unsatisfactory user experience. Please kindly send us a photo or video of where the problem might lie. This way, we can better locate the problem and offer you a solution.

About Delivery:

• Q: What is the estimated delivery time?
  A: Home delivery within the continental U.S. usually takes 3-8 days.
• Q: The product has not been delivered.
  A: We apologize for the inconvenience caused. Due to COVID-19, shipping may experience delays. Please be patient, and we will keep track of it with you.
• Q: The product fails to be dispatched.
  A: Please contact us, and we will confirm your address again. Then we will report this to the DPD.
• Q: The shipping information has not been updated.
  A: Due to a large quantity of orders, it might take some time before the information is fully updated. Your patience is highly appreciated.
• Q: There are scratches or cracks in the backrest or other parts.
  A: We hope this does not affect the normal use of the chair, and you can consult us for the replacement of the flawed parts.

About Orders:

• Q: Can I cancel my order?
  A: For items that have not been delivered or items with delayed delivery, canceling the order will be accepted. Inventory items are usually shipped within 24-48 hours after an order is placed. Once the items are shipped, they cannot be canceled. *Orders of customized or special items cannot be canceled.
• Q: My order is lost during delivery.
  A: Please contact the responsible logistics center and report detailed information to them for compensation. If you need any help concerning this, feel free to contact us.