Product manual

MultiPoint Level Control System
7
E 2001 Nordson Corporation
All rights reserved
321 351A
Issued 7/01
69–LVL–EH–IS–01
Disable the Gun
All electrical or mechanical devices that provide an activation signal to
the gun solenoid(s) or the melter pump must be disabled before work can
be performed on or around a gun that is connected to a pressurized
system.
1. Turn off or disconnect the gun triggering device (pattern controller,
timer, PLC, etc.)
2. Disconnect the input signal wiring to the gun solenoid valve(s).
3. Reduce the air pressure to the gun solenoid valve(s) to zero; then
relieve the residual air pressure between the regulator and the gun.
General Safety Warnings and Cautions
This part contains general safety warnings and cautions and first aid
information applicable to the use of the equipment described in this
document.
WARNING: Hazardous vapors! Before processing any
Polyurethane Reactive (PUR) hot melt or solvent-based
material through a compatible Nordson melter, read and comply
with the material’s MSDS. Ensure that the material’s
processing temperature and flashpoints will not be exceeded
and that all requirements for safe handling, ventilation, first aid,
and personal protective equipment are met. Failure to comply
with MSDS requirements can cause personal injury, including
death.
WARNING: Reactive material! Never clean any aluminum
component or flush Nordson equipment with halogenated
hydrocarbon fluids. Nordson melters and guns contain
aluminum components that may react violently with
halogenated hydrocarbons. The use of halogenated
hydrocarbon compounds in Nordson equipment can cause
personal injury, including death.