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Chapter 7: Door Assemblies
Installing the Door Weldment
The two ring door is installed in the last two rings, after all the other rings have been assembled and lifted.
There are special door sheets (64 and 65), notched door sheets (66 and 67) and short door sheet (71)
that must be installed around the door weldments (31 and 33) to ensure the correct installation.
1. Install the door at the same time as you install the third ring from the bottom. The door consists of
outer frame weldment (31), jamb plate weldments (32), inner frame weldment (33), seal weldment
(36), upper cover (37), top inner door panel (34), bottom inner door panel (35), outer cover assembly
(59), base stiffeners (60), door stiffeners (61) and stiffener support weldment (62).
NOTE: The upper and lower seal weldments (36) must be installed into the opening in the sidewall
before the frames (31 and 33) and jamb plate weldments (32). Install the upper and lower
seal weldments (36) from the inside of the sidewall, and move each one up or down to its
respective position within the sidewall opening, then install the front and rear frames and
jamb plate weldments.
2. Install the door sheets (64 and 65) and notched door sheets (66 and 67) along with standard
sidewall sheets (63) as shown below.
Figure 7-3 Two ring door installation - 2 post
31
Outer door frame weldment (NCWT0738)
61
Door stiffener (NCWT0482-BS)
32
Jamb plate weldment (NCWT0736-BS)
62
Stiffener support weldment (NCWT0481-BS)
33
Inner door frame weldment (NCWT0732-BS)
63 Standard sidewall sheet
34
Top inner door panel (NCWT0465)
64 Left door sheet
35
Bottom inner door panel (NCWT0462)
65
Right door sheet
36
Seal weldment (NCTW0745)
66 Left notch door sheet
37
Upper cover (NCWT0748)
67
Right notch door sheet
59
Outer cover assembly
84 1X sidewall sheet
60 Base stiffener
PNEG-5490D-2X 90' Diameter EVO-50 Beam 2X Bin 77