Top View - Burner Swing Door Mounted To Cast Iron Block Assembly - Burnham MEGASTEAM MST513 Installation, Operating And Service Instructions

By design, door insulation on model MST629 will
have two by-pass pockets cast into the insulation
centered on the bar between the combustion
chamber and 3rd pass flueways. By design, door
insulation on models MST288, MST396 & MST513
will not have any by-pass pockets. If insulation is
damaged, or, improper type regarding the pockets, it
must be replaced.
Figure 5B: Top View - Burner Swing Door Mounted to Cast Iron Block Assembly (Jacket Removed for Clarity)
11. Upon inspection completion, lift door and place
integral cast hinge pins into door mounting bracket
slotted holes. Do not close and secure door at this
time, proceed to installing stainless steel flueway
baffles.
12. Locate/remove four #8 x ½" shoulder sheet metal
screws from Hardware Bag, then, install them into
front panel flange holes.
13