Atlanta Attachment Company 1390BX, Technical Manual & Parts Lists

Page: 39 / 172

Technical Manual & Parts Lists
31
Alignment (continued)
Loosen the four screws (a) and (b) securing the two bearings and
slide up or down to meet the proper angle. Check after each
adjustment. It is very likely need to adjust the height of the bar.
(F). - Random irregularities in the seals.
1. Check the non-stick tape on all three seal bars, tape should be smooth, clean, no air pockets and or
crevices. Tape must be cleaned periodically and replaced as needed.
2. Inspect the silicone rubber backing under tape for cuts. If cut or damaged, replace silicone rubber
cushion in that area as they are all glued together. After replacement follow the procedure for system
realignment on page 34.
3. Check the upper sealing bars for damage, they should look black with a dull finish all along the bar. If
any shinny areas are seen along the bar, it is damaged and needs replacement.
(G). - Irregularities constant seal.
1. Check the non-stick tape on all three seal bars, tape should be
smooth, clean, no air pockets or crevices. Tape must be cleaned
periodically and replaced as needed.
2. Inspect the silicone rubber backing under tape for cuts. If cut
or damaged, replace silicone rubber cushion in that area as they
are all glued together. After replacement follow the procedure
for system realignment on page 34.
3. Check and see if shims under the support tray of non-stick
tape are in place. Otherwise move them or insert new shims in
that area.
4. Check the upper sealing bars for damage, they should look black with a dull finish all along the bar. If
any shinny areas are seen along the bar, it is damaged and needs replacement.
Note: Upper bar should always come into contact with tape and silicone cushion. At no time should any part of
the upper seal bar contact the metal of the lower bar assembly.