Sharp R-610D Manual descarregar pdf (Página 12)

Safety

1-6

Part 1105120-01

E 2013 Nordson Corporation

Ozone readily reverts to breathable oxygen when mixed with atmospheric

air. Ozone should be removed from the UV source via a sealed duct and

discharged to atmosphere according to local regulations. The discharge

location should be away from pedestrian walkways and window openings

and should be well above the average human breathing height for the area.

Regular ozone checks should be carried out every three months using an

ozone meter. Recommended levels of ozone in the atmosphere of a factory

should not exceed 0.1 parts per million (PPM). This level is easily obtainable

if factory recommended exhaust rates are followed.

Ozone has a very distinct, strong odor even at low levels. Immediate ozone

checks should be made if an operator can smell ozone. Most people can

smell ozone at about one third the maximum allowable 0.1 PPM level.

Ozone exposure will cause headaches and fatigue. It will also irritate the

mouth and throat. Overexposure can lead to respiratory infections.

If ozone is detected,

1. Shut down the UV system.

2. Check exhaust ducting for leaks.

3. Check the operator working area with an ozone meter.

If a person is overcome by ozone,

S Seek immediate medical assistance.

S Move the individual to a warm uncontaminated atmosphere and loosen

tight clothing at the neck and waist.

S Keep the individual at rest.

S If the person has difficulty breathing, oxygen may be administered

provided that suitable apparatus and a trained operator are available.

S If breathing is weak or has ceased, artificial respiration should be

started.

High Temperatures

UV curing systems generally run at extremely high temperatures. A sudden

shock from touching a high temperature surface might cause an operator to

jump or take his attention away from other potential hazards.

When shutting down UV equipment for maintenance, allow the equipment to

cool before beginning work, or wear protective gloves and clothing to

prevent burns.

High Voltage

The UV curing equipment operates at high voltages up to 5000 Vdc. If any

electrical faults develop, the operator should:

1. Switch the equipment off immediately.

2. Make no attempt to service the equipment.

3. Call a qualified electrician trained to service this type of equipment.

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