Mainstays is a brand of bedroom, office and kitchen furniture handled and sold by Wal-Mart stores in the United States. Mainstays manufactures a wide range of office furniture, including the mid-back J-40 office chair. The J-40 comes in black and has rolling bottom wheels. This chair requires some assembly. It can be assembled with common household tools and does not require a lot of mechanical or building experience. It will take approximately 30 minutes to assemble your Mainstays office chair.
Step 1
Remove all the pieces of the chair from its packaging and check off all pieces against the parts check list inside the instructions.
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Step 2
Install the seat and base extending from the bottom of the chair into the wheel base and tighten the large nut by hand.
Step 3
Flip the chair on its side and install the wheels by turning them to the right onto the posts protruding from the bottom of the legs.
Step 4
Line up the bolt on the back rest through the hole on the frame and then fasten it down with the large plastic nut.
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