Maintenance
A
5-3
Checking Run Time of Heaters
3.
Maintenance Procedures
Relieving
System
Pressure
4103997
Fig. A
5-1 Opening the Manifold
Drain Valve
Use
this
procedure
to check the
total number of hours that the heaters
have been running.
1. Press
the Move
Up
or
the Move Down key until
the SYSTEM
SETTINGS light turns
on.
2. Press
the Up key below
the Selector display until feature number 26
appears in the display.
3. Check
the displays
above the Multipurpose
keys and above the Enter
key. Read them from
left to right to see
the total number of hours that
the heaters
have been running,
up to
999,999
hours.
This
part
of the manual
contains
the maintenance
procedures
referenced
in Table A
5-1
and
the
procedure
for relieving
system
pressure.
System
pressure
must be
properly
relieved before
you
can
safely
proceed
with many
of the maintenance,
troubleshooting, and repair
procedures
in this manual.
Follow this
procedure
whenever
you
are
instructed to relieve system
pressure.
WARNING:
Hot! Risk
of burns. Wear heat-protective
clothing,
safety
goggles,
and heat-protective
gloves.
Hot melt material
may be
released under
pressure.
1. Ensure
that the unit is
at operating temperature.
2.
Turn the air
pressure
regulator fully
counterclockwise to reduce the
pump
air
pressure
to
0.
3. Place a container
under all
guns
and the manifold drain valve.
4. Trigger one
or
more
guns
until
adhesive stops flowing.
5. See Figure A
5-1. Open the manifold
drain
valve
and allow some
adhesive to drain from
the manifold.
6. Close
the manifold
drain valve.
@998 Nordson
Corporation
All
rights
reserved
41-3000v
lssued
9/98
AsEN-07-[3V-X-AXAXI-s
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