Westinghouse WES41-3000 Manuel D'utilisation page 5

c) Tighten both hexagonal screws.
d) Make sure the middle sleeve, mat, washer, and the hexagonal screw (M8*25) are screwed together
as per below.
Back and head cushions
Install the back and head cushions using the cushion's Velcro tape and zipper.
Final Installation
1) Insert the AC power cord into the massage chair power socket and then into the wall power
outlet.
2) Turn on the main power switch at the bottom, behind the massage chair.