VALCO MELTON VCX, Service Manual

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Section 2 - Safety and Use MC083 - VCX Service Manual
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Shut Down Safety Information
Valco Melton hot melt units, cold glue units, controllers, inspection systems and all related accessories have the
following universal safety precautions (this is not intended to be an exhaustive list; follow all instructions and safety
precautions for the specific type of equipment involved):
WARNING! Purge the fluid pressure and the air pressure from the system before disconnecting/disabling
any part of the system. OTHERWISE, DEATH OR PERSONAL INJURY COULD OCCUR.
WARNING! Disconnect and lock out all power before maintenance or other need to open the equipment.
Only qualified personnel should open and service the control. OTHERWISE, DEATH OR
PERSONAL INJURY COULD OCCUR.
WARNING! Equipment may still be energized even if unplugged! When making adjustments or performing
checkout procedures, stay clear of any moving mechanical parts and do not touch exposed
electrical equipment or electrical connectors. OTHERWISE, DEATH OR PERSONAL INJURY
COULD OCCUR.
WARNING! Disconnect/disable all mechanical and/or electrical devices that send activation signals to the
gun(s), valve(s), melter pump(s), etc. This includes pattern controls, timers, input/output
signals, etc. Only qualified personnel should open and service the control. OTHERWISE,
DEATH OR PERSONAL INJURY COULD OCCUR.
WARNING! Disable all triggering devices, relieve all residual pressure (hydraulic and air) and allow
adhesive to cool before attempting to disconnect guns, hoses, valves, etc. Only qualified
personnel should open and service the control. OTHERWISE, DEATH OR PERSONAL
INJURY COULD OCCUR.
WARNING! Never point an adhesive dispensing gun, valve, hose, air hose, or anything else at yourself or
another person. OTHERWISE, DEATH OR PERSONAL INJURY COULD OCCUR.
Hot-Melt-Specific, General Safety Information
Valco Melton hot melt units have the following universal safety precautions in addition to all other universal
precautions previously mentioned (this is not intended to be an exhaustive list; follow all instructions and safety
precautions for the specific type of equipment involved):
WARNING! Never process any polyurethane reactive (PUR) hot melt or solvent-based material in a Valco
Melton unit unless you are certain that the unit is compatible and is marked “PUR”! Read all
instructions and MSDS sheets carefully, following manufacturer’s instructions, especially
regarding heat levels. If you have any question as to the compatibility of a Valco Melton unit
for PUR hot melt, call your Valco Melton Representative before attempting to use the unit for
PUR or solvent-based materials. OTHERWISE, HAZARDOUS FUMES, EXPLOSION,
DEATH, OR PERSONAL INJURY COULD OCCUR.
WARNING! Keep pump cover and electrical enclosures closed except during setup, service, and
checkout procedures. OTHERWISE, DEATH OR PERSONAL INJURY COULD OCCUR.