3M 39600 - page 21

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Operation (Continued)
Figure 3-6 – Compression Rollers
Figure 3-5 – Check Adjustments
Figure 3-7 – Compression Rollers
CAUTION – If drive belts are allowed
to slip on box, excessive belt wear
will occur.
Note – Upper head has unique feature for
overstuffed boxes. The head will raise up to
13 mm [1/2 inch] to compensate for this type
of condition.
3. RUN BOXES TO CHECK ADJUSTMENT
(Figure 3-5)
Turn electrical switch to "On" to start drive belts.
Move box forward under upper taping head until
it is taken away by drive belts. If box is hard to
move under head or is crushed, raise head
slightly. If box movement is jerky or stops under
upper head, lower upper head slightly to add
more pressure between box and drive belts.
4. TOP FLAP COMPRESSION ROLLERS
(Figure 3-6)
The top flap compression rollers, have two
mounting positions to provide side compression
through the full range of box widths.
The rollers have been pre-assembled in position
"B" to accommodate box widths from 200 mm
[8 inch] to 545 mm [21.5 inch] maximum.
To accommodate box widths less than 200 mm
[8 inch] to 140 mm [5.5 inch] minimum, move all
four rollers to position "A".
Adjust the top flap compression rollers against
top edge of box and tighten knobs to secure
rollers in operating position.
5. ADJUST COMPRESSION ROLLERS
Adjust the top flap compression rollers against
top edge of box and tighten knobs to secure
rollers in operating position as shown in
Figure 3-7.