8
STEP 9: Door Frame Assembly
Select:
• 16 Shoulder Bolts (gold) (item 29)
• 16 #10 Flatwashers (item 23)
• 16 #10-24 Locknuts (item 30)
1) Carefully fit the Door Frame Segment (with latches
installed) into the last open space of the Endcap to
complete the Drum cylinder, overlapping the adjoining
segments and lining up the hole patterns along both sides
and into the rim of the Endcap.
2) Starting from the bottom and working from the outside,
fasten the Door Frame Segment to the other Drum
segments using:
1 Shoulder Bolt (gold), 1 #10 Flat
Washer and 1 #10-24 Locknut
at each of the eight slots
on both sides of the Door Frame Segment. The Washers
and Locknuts should be fastened inside the Drum body.
The slotted holes in these Drum Segments will allow
for adjustment to make placement of the second Endcap
easier. Use the Phillips screwdriver and 3/8” (10 mm)
wrench to turn the Locknuts onto the Bolts until the
nut bottoms out against the shoulder of the bolt. The
shoulder bolt should spin freely in the slotted hole and
not be so tight that the bolt and nut clamp the metal
panels together. If they do, loosen the nut 1/4 turn. This
is to accommodate subsequent movement of these panels
during operation resulting from changes in temperature.
STEP 10: Second Endcap Assembly
Select:
• 1 Endcap (item 14)
• 4 Tie Rods, 36 3/4” (0.9 m) (item 16)
• 8 Acorn Nuts 1/4” (6 mm) (item 26)
1) Position the second endcap over the open end of the
drum assembly, lining up the endcaps so that the screens
are directly opposite each other and the flanges in the
drum match the slots in the cap.
2) Lining up the two flanges furthest from the door frame
with their corresponding alignment slots, work that
part of the endcap carefully down onto the drum. Then,
working through the opening in the door frame, fit the
two remaining flanges into their slots, adjusting the fit of
the drum as necessary by sliding the door frame slightly.
Be sure that the edges of the drum fit snugly into the rim
of the endcap all the way around and that the flanges
inside the drum are all fitted into the alignment slots on
the cap.
3) Thread an acorn nut onto the end of one tie rod just until
the nut holds (about two turns). Insert the other end
of the tie rod through one of the four holes in the top
endcap and run the rod down through the opposite hole
in the bottom endcap. (Lead-ins have been provided to
make this step easier.)
