Ex-approved products – Goulds Pumps 3640 - IOM User Manual

Page 9

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Introduction and Safety

• Provide a suitable barrier around the work area, for example, a guard rail.

• Make sure that all safety guards are in place and secure.

• Make sure that you have a clear path of retreat.

• Make sure that the product cannot roll or fall over and injure people or damage property.

• Make sure that the lifting equipment is in good condition.

• Use a lifting harness, a safety line, and a breathing device as required.

• Allow all system and pump components to cool before you handle them.

• Make sure that the product has been thoroughly cleaned.

• Disconnect and lock out power before you service the pump.

• Check the explosion risk before you weld or use electric hand tools.

Wash the skin and eyes

1. Follow these procedures for chemicals or hazardous fluids that have come into contact with

your eyes or your skin:

Condition

Action

Chemicals or hazardous

1.

Hold your eyelids apart forcibly with your fingers.

fluids in eyes

2.

Rinse the eyes with eyewash or running water for at least
15 minutes.

3.

Seek medical attention.

Chemicals or hazardous

1.

Remove contaminated clothing.

fluids on skin

2.

Wash the skin with soap and water for at least 1 minute.

3.

Seek medical attention, if necessary.

Ex-approved products

Follow these special handling instructions if you have an Ex-approved unit.

Personnel requirements

These are the personnel requirements for Ex-approved products in potentially explosive
atmospheres:

• All work on the product must be carried out by certified electricians and ITT-authorized

mechanics. Special rules apply to installations in explosive atmospheres.

• All users must know about the risks of electric current and the chemical and physical

characteristics of the gas, the vapor, or both present in hazardous areas.

• Any maintenance for Ex-approved products must conform to international and national

standards (for example, IEC/EN 60079-17).

ITT disclaims all responsibility for work done by untrained and unauthorized personnel.

Product and product handling requirements

These are the product and product handling requirements for Ex-approved products in
potentially explosive atmospheres:

• Only use the product in accordance with the approved motor data.

• The Ex-approved product must never run dry during normal operation. Dry running during

service and inspection is only permitted outside the classified area.

• Before you start work on the product, make sure that the product and the control panel are

isolated from the power supply and the control circuit, so they cannot be energized.

• Do not open the product while it is energized or in an explosive gas atmosphere.

• Make sure that thermal contacts are connected to a protection circuit according to the

approval classification of the product, and that they are in use.

• Intrinsically safe circuits are normally required for the automatic level-control system by the

level regulator if mounted in zone 0.

• The yield stress of fasteners must be in accordance with the approval drawing and the

product specification.

Model 3640 Installation, Operation, and Maintenance Manual

7

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