Sure Heat Cascade X2000 - Manual (Page 10)

Assembly
10
3c
3a 3a
3c 3b
STEP FOUR
a. Attaching (2) Self Tapping Screws through the pre-drilled
holes on the Left Bracket for the Cart Door Pin into the Cart Side
Left. Repeat on the Bracket Right.
b. Attaching (4) Self Tapping Screws through the pre-drilled
holes on the two Bracket for the Cart Door Magnet into the Cart
Cross Brace.
c. Install Cart Cross Brace onto the Cart Sides by secure (2) self
tapping screws though the pre drilled holes on each end of the
Cart Cross Brace into the top of the cart side flanges.