9
Tumbler Drum Assembly
Tumbler Drum Assembly
STEP 4 Continued:
B. 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
1 #10-24 Lock Nut
at each of the eight slots on both sides of the Door
Frame Segment. The Washers and Lock Nuts 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" wrench to turn the
Lock nuts 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 5:
Second Endcap Assembly
Select:
g
1 Endcap (item 14)
g
4 Tie Rods, 36
3
/4" (item 16)
g
8 Acorn Nuts
1
/4" (item 26)
A. 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.
B. 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.
C. 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.)
Continued...
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