3M Matic 7000r Instructions And Parts List page 130

Troubleshooting
Troubleshooting Guide
Problem
Tape is tabbing on the trailing
leg on the back of the box
The tape end does not stay in
application position in front of
the applying roller
Tape not centered on
box seam
3M-Matic Accuglide 4 - 2 and 3 Inch Taping Head - Type 11800
™
Page 18
44-0009-2146-8 / ECO# 0078045
(continued)
Cause
There is excess tension on the
tape drum assembly and/or the
one-way tension roller assembly
Rollers in the tape path do not
rotate freely
The blade is not cutting tape
properly
The tape is threaded incorrectly
Applying mechanism spring has
too little/much tension or damaged
Rear tab too long
Front and rear tab lengths shorten
as tape roll diminishes
The tape is incorrectly threaded
Applying roller overruns on return
of applying mechanism to its rest
position
The one-way tension roller is
defective
The tape roll not correctly aligned
The tape applicator off center
Centering guides not centered
Box fl aps not of equal length
Correction
Adjust the one-way tension roller
and/or the tape drum assembly/or
tighten-loosen hub adjust nut
Clean adhesive deposits from the
surface, ends, and shafts of the rollers.
Then lubricate roller shafts. Remove
all lubricant from roller surfaces.
See tape cutting problems.
Re-thread the tape
Move spring hook to next tighter or
looser position or replace spring
Reposition adjustment bar
Tape hub or tension roller tension
too high - lower tension
Re-thread the tape
There should be a slight drag
when rotating the applying roller.
If not, check friction springs and/
or friction pins - replace if necessary
Replace the one-way tension roller
Readjust the machine's center
alignment.
Reposition tape drum
Adjust centering guides/adjust
centering alignment
Check box specifi cations
North American - ENG
Date Released:
05-22-18