Checking Run Time Of Heaters A; Maintenance Procedures; Relieving System Pressure A - Nordson 3100V Series Customer Product Manual

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