Upper, Middle and Lower Frame Assembly
1. Loosen and remove the four sets of joint fixing T-bolts, washers, and joint
fixing knobs to separate the upper frame from the lower frame.
2. Hold the middle frame so that the screw holes align with the holes on the
lower frame. Insert the T-bolt with washer into the holes on each side and use
the joint fixing knobs to secure the connection on both sides. The joint fixing
bolts and washers should be inserted inside the frame of the unit so that the
joint fixing knobs are fastened to the outside of the frame. Note: Do not
over-tighten the knobs.
3. Connect the upper frame with the middle frame in the same way as described
in step 2. Use the joint fixing T-bolts, washers and knobs to secure the
