AD-31 Handguns Manual.pdf - 第3页

3 108 835A Safety S Failure to observe workplace safety rules or regulations issued by government authorities or safety councils Installation and Electrical Connections W ARNING : Failure to follow the safety procedures …

108 835A

Safety

Safety instructions contained in this section and

throughout this document apply to tasks that may be

performed with or on the unit. Warnings related to

specific safety concerns are included within the text as

appropriate. It is very important that these safety

instructions are always followed. Failure to do so could

result in personal injury and/or damage to the unit or

other equipment.

With this in mind, here are some basic safety

recommendations:

S Read and become familiar with this Safety section

prior to installing, operating, maintaining, or

repairing the unit.

S Read and follow the warnings which appear within

the text and are related to specific tasks.

S Store this document within easy reach of personnel

operating or maintaining the unit.

S Wear personal protective equipment and clothing

such as safety goggles and gloves.

S Familiarize yourself with and follow all safety

instructions prescribed by your company, general

accident-prevention regulations, and government

safety regulations.

Safety Symbols

The following symbols are used to warn against

dangers or possible sources of danger. Become familiar

with them! Failure to heed a warning could lead to

personal injury and/or damage to the unit or other

equipment.

WARNING: Failure to observe may result in

personal injury or death.

WARNING: Risk of electrical shock. Failure to

observe may result in personal injury or death.

WARNING: Disconnect equipment from the line

voltage.

WARNING: Hot! Risk of burns. Wear

heat-protective clothing, safety goggles and/or

heat-protective gloves depending on the symbol

shown.

WARNING: Risk of explosion or fire. Fire, open

flames and smoking prohibited.

WARNING: System or material pressurized.

Relieve pressure. Failure to observe may result

in serious burns.

CAUTION: Failure to observe may result in

equipment damage.

CAUTION: Hot surface. Failure to observe may

result in burns.

Qualified Personnel

Operators or maintenance workers are regarded as

being “qualified personnel” when they have gained,

through training and experience, an understanding of

the manner in which the unit is to be operated, serviced,

and repaired and are familiar with relevant regulations

concerning safe workplace practices.

Intended Use

The unit is designed and intended to be used only for

the purpose described in the Description section. Uses

not in accordance with that section or as described in

this document are considered unintended uses and not

in accordance with governing regulations.

WARNING: Use of this equipment in ways other

than described in this document may result in

personal injury, death, or equipment damage.

The following actions of the owner or operator of the

unit are some, but not all, examples of unintended use

which would permit Nordson to claim it is not

responsible for personal injury or property damage

arising from such unintended use:

S Unapproved modifications or changes to the unit

S Failure to comply with the safety instructions

S Failure to comply with instructions concerning

installation, use, operation, maintenance, or repair,

or when these tasks are carried out by unqualified

personnel

S Use of inappropriate or incompatible foreign

materials or auxiliary equipment

108 835A

Safety

S Failure to observe workplace safety rules or

regulations issued by government authorities or

safety councils

Installation and Electrical Connections

WARNING: Failure to follow the safety

procedures can result in injury or death.

S All electrical, pneumatic, gas, and hydraulic

connections and installations of hot melt equipment

may only be carried out by qualified personnel. Be

sure to observe installation instructions for

components and accessories.

S Equipment must be properly grounded and fused

according to its rated current consumption (see ID

plate).

S Cables which run outside the unit must regularly be

checked for wear or damage.

S Power supply wire gauge and insulation must be

sufficient to handle rated current consumption.

S Cables must never be squeezed or pinched. Do not

locate cables or hoses in high traffic areas.

Operation

The unit should be operated by qualified personnel in

accordance with the instructions presented in this

document.

WARNING: Failure to follow the safety

procedures can result in injury or death.

S Never allow the unit to be operated by personnel

under the influence of substances which reduce

their reaction times, or who are not able to operate

the equipment for physical reasons.

S Prior to each startup of the unit, check protection

and warning devices and make sure they are fully

functional. Do not operate the unit if these devices

are not functioning properly.

S When the removal of safety equipment is required

for installation, maintenance, or repair of the unit, it

must be re-connected immediately upon completion

of the work.

S Prior to startup of the unit, check to make sure all

safety guards and safety equipment are in place

and functioning properly.

S In a humid environment, only equipment featuring a

corresponding class of protection may be operated.

S Do not operate the unit in an explosive

environment.

S Keep parts of the body or clothing away from

rotating parts. Do not wear loose articles of clothing

when operating or servicing units with rotating

parts. Take off wrist watches, rings, necklaces, or

similar pieces of jewelry and pin up or cover long

hair before performing any work on or with the unit.

S To carry out measurements on work pieces, switch

off the unit and wait until it comes to a standstill.

S Never point hand guns or applicator nozzles at

yourself or other persons.

Less-obvious Dangers

WARNING: An operator or service technician

working with the unit should be aware of

less-obvious dangers that often cannot be

completely minimized at production sites:

S Exposed surfaces of the unit which cannot be

practically safeguarded. They may be hot and take

time to cool after the unit has been operating.

S The possibility that electrical potentials may remain

in the unit after the unit was de-energized

S Hot melt material and vapors

S Hydraulically or pneumatically operated parts of the

unit

S Parts winding something up or down which are not

covered

Action in the Event of Unit Malfunction

If the unit malfunctions, switch it off immediately.

S Turn the circuit breaker or main power switch OFF.

S Have the unit repaired by qualified personnel only.

108 835A

Safety

Danger of Burns

Contact with hot melt materials or hot areas of the unit

may produce a severe skin burn.

WARNING: Hot! Risk of burns. Wear

heat-protective clothing, safety goggles, and/or

heat-protective gloves.

S Be extremely careful when using hot melt material.

Even solidified material may still be very hot.

S Always wear protective clothing which safely covers

all exposed parts of the body.

In case of burns:

S Immediately cool affected skin areas using cold,

clean water.

S Do not forcefully remove hot melt material from the

skin.

S Immediately seek medical attention.

Maintenance/Repair

Allow only qualified personnel to perform the

procedures described in this document. When

performing such tasks, wear protective clothing and

equipment.

WARNING: Even when the circuit breaker or

main power switch is OFF, the unit is still

electrically energized. Complete the following

steps prior to maintenance or repair:

S Disconnect, lock out, and tag external power

supply.

S To ensure the external power supply is

disconnected, attempt to operate the unit. If the unit

does not energize, proceed with maintenance or

repair work.

S If the unit energizes, repeat the disconnect, lock

out, and tag procedure. Re-test the unit.

S Follow the specific instructions provided in this

manual to release the system pressure in the entire

unit.

S Secure pneumatically- or hydraulically-operated

equipment against uncontrolled movement.

S Only use parts which do not compromise the safety

of the unit. Only use genuine Nordson parts.

S Always use tools with insulated handles when

removing or installing components.

Cleaning

NOTE: Always refer to the material manufacturer’s

Material Safety Data Sheet (MSDS) or material

information sheet before working with any hot melt

material.

WARNING: Never clean any aluminum part or

flush any system using halogenated hydrocarbon

fluids. Examples of common halogenated

hydrocarbons are: dichloromethylene,

1,1,1-trichloroethylene, and perchloroethylene.

Halogenated hydrocarbons may react violently

with aluminum parts.

WARNING: Fire, open flame, and smoking are

prohibited when cleaning fluids are used.

Observe all explosion prevention regulations.

Cleaning fluids may only be heated using

temperature-controlled and explosion-protected

heaters.

S Never use an open flame to clean the unit or

components of the unit.

S Use only cleaning fluids designed or intended to be

used with the hot melt material being used in the

unit. Never use paint fluids under any

circumstances.

S Note the flash point of the cleaning fluid used. Only

use a controlled heating method to heat fluids.

S Ensure sufficient room ventilation to draw off

generated vapors. Avoid prolonged breathing of

vapors.