User Manual

1. Check the number of damaged 4D

armrests on your chair.

2. Lay your chair down with armrests' 3 bolts displayed.

3. Use a hex key to remove the bolts

and uninstall the damaged armrests.

4. Install the new 4D armrests and tighten the 3 bolts.

Changing the 4D Armrest

Changing the PU wheel

1. Remove the damaged PU wheels. 2. Insert new PU wheels into the wheel base.

PAGE 1
Changing the 4D Armrest 1. Check the number of damaged 4D armrests on your chair. 3. Use a hex key to remove the bolts and uninstall the damaged armrests. 2. Lay your chair down with armrests' 3 bolts displayed. 4. Install the new 4D armrests and tighten the 3 bolts. Changing the PU wheel 1. Remove the damaged PU wheels. 2. Insert new PU wheels into the wheel base.
PAGE 2
Changing the Seat base Work with another person to pull the seat base upward with one foot on the wheel base and one hand holding the bracket.
PAGE 3
Changing the Hydraulic lift cylinder 1. Ensure that the hydraulic lift cylinder of your chair has been damaged. 2. Work with another person to pull the seat base upward with one foot on the wheel base and one hand holding the bracket. 3. Remove the telescopic cover and strike the bottom of the hydraulic lift cylinder onto a solid object to remove the damaged hydraulic lift cylinder. 4. Insert a new hydraulic lift cylinder into the hole of the wheel base. 5.
PAGE 4
Changing the Control unit 1. Ensure that the control unit has been damaged. 2. Work with another person to pull the seat base upward with one foot on the wheel base and one hand holding the bracket. 3. Remove the 4 bolts from the control unit. 4. Install a new control unit and secure it with the 4 bolts. 5. Work with another person to attach the control unit to the seat base. Changing the Side cover 1. Ensure that the side covers have been damaged. 2.