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Thoubleshooting (continued)
7\
Caution
Allow
applicator to cool to room
temperature
before servicing.
Failure to
do
so
may
cause
burns.
5.
If
the transport mechanism
does
not move freely on the track or
if
the arms
of
the mechanism do
not open
and
close
freely, clean the
transport mechanism
(steps
5a-5d).
a.
Extrude the remaining adhesive from the entry track.
b.
Disconnect
the
power cord from the outlet.
c.
Allow
the
applicator to cool to room temperature.
d.
Use
3MrM Industrial Cleaner or equivalent to remove any
dirt
that restricts free movement
of
the transport mechanism.
See
Figure
P
to remove
or reinstall transpoft mechanism
if
necessary.
If
the transport mechanism
is
damaged,
replace
it with
Transport
Mechanism l<tt#62-9787-9930-2.If the
flow
problem
still
exists,
proceed
to the next
step.
6.
The adhesive applicator may
be
backmelted.
See
Backmelt procedure
on
page
22
of this
manual.
ff
the
flow
problem
still
exists after
cleaning the backmelt, proceed to the next
step.
7.
There may be
gelled adhesive in the heat-block or valve. Replace the
heat
block, valve and nozzle with
the
Heat
Block Kit.
rffi
ffi
Do not clean or remove
the
3M Jermeltru Adhesive with
solvent.
May
cause
fire.
For
additional health and safety
information,
see
the
product label
and
Material
Safety
Data
Sheet
for
Jet-melt
Adhesive
used.
,l'I@sEilG
@
3M
1996
25
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