Cover attachment structure

A cover attachment structure for partially covering, with a cover, from outside with respect to an inside-outside direction, an installation target unit including an installation target and a frame supporting the installation target, the cover attachment structure comprising:

• a cover receiving member to receive, with a receiving portion included in the cover receiving member at an end thereof closer to inside with respect to the inside-outside direction, from below, the frame supporting the installation target;
• a cover hold down member to hold down the frame from above with a hold down portion included in the cover hold down member at an end thereof closer to the inside with respect to the inside-outside direction;
• the cover including a cover base and a cover body included in the cover base, the cover base being received by the cover receiving member from below and being held down from above by the cover hold down member, the cover being to be attached to the installation target unit with the cover receiving member and the cover hold down member;
• and
• a first fastener to fix the cover receiving member and the cover hold down member to the installation target unit while catching the frame and the cover base, wherein
• the cover hold down member is placed on the cover such that a length from the receiving portion to the hold down portion is adjustable.