ページを印刷する4. Insert the back into the frame.
5. Using the self-locking nut and screw that were removed
in step 3, insert them and tighten securely using a wrench
and hex key to tighten the back into place.
6. If the flip-up armrests were ordered, depress the spring
button and insert into the bracket on the back frame.
4
5.