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3M-Matic 800rf Case Sealer Adjustments
Copyright 1999, 3M IPC. All rights reserved. 3-17
3-21. Box Centering Rails In/Out Rates
This is not a routine adjustment. Normally, it is
necessary only after major disassembly or repair of
related components.
Specification
Adjust the Box Centering IN/OUT speed flow
controls to allow the centering rails to close (move
IN) and center the carton, then release (move OUT)
and open to their home position at approximately the
same speed. The rate of closure (IN) is the primary
measure of a good speed. It must be slow enough to
center but not bounce a small box, and not so slow as
to reduce the overall production rate.
Adjustment
1. Pass some average size boxes through the case
sealer.
2. Observe the speed of the centering rails closure
(IN) and return (OUT).
3. Adjust the Box Centering IN/OUT speed control
valves, as shown in Figure 3-21 (CW decreases
speed, CCW increases speed). These controls
are located on the top of the Pneumatic Control
Panel, extreme right.
ü Note
If there is any confusion as to where to set the speed
control valves, turn the valves fully CW and then
turn the OUT control 6 full turns CCW and turn the
IN control 11 full turns CCW. Refer to Table 3-1,
Pneumatic Device Factory Set Points and Adjust-
ment Locations (Pneumatic Control Panel Mounted
Speed Controls).
Figure 3-21. Box Centering Rails IN/OUT Rate Adjustment