Flowserve MENBLOC 60Hz User Manual download pdf (Page 5)

MENBLOC 60Hz USER INSTRUCTIONS ENGLISH 71559945 - 02/13

Page 5 of 36 flowserve.com

If the conditions of service on your purchase order

are going to be changed (for example liquid

pumped, temperature or duty) it is requested that the

user seeks the written agreement of Flowserve

before start up.

1.6 Safety

1.6.1 Summary of safety markings

These User Instructions contain specific safety

markings where non-observance of an instruction

would cause hazards. The specific safety markings

are:

This symbol indicates electrical safety

instructions where non-compliance will involve a

high risk to personal safety or the loss of life.

This symbol indicates safety instructions where

non-compliance would affect personal safety and

could result in loss of life.

This symbol indicates “hazardous substances

and toxic fluid” safety instructions where non-

compliance would affect personal safety and could

result in loss of life.

This symbol indicates safety

instructions where non-compliance will involve some

risk to safe operation and personal safety and would

damage the equipment or property.

This symbol indicates explosive atmosphere

zone marking according to ATEX. It is used in safety

instructions where non-compliance in the hazardous

area would cause the risk of an explosion.

This symbol is used in safety instructions to

remind not to rub non-metallic surfaces with a dry

cloth; ensure cloth is damp. It is used where non-

compliance in the hazardous area would cause the

risk of an explosion.

This sign is not a safety symbol but indicates

an important instruction in the assembly process.

1.6.2 Personnel qualification and training

All personnel involved in the operation, installation,

inspection and maintenance of the unit must be

qualified to carry out the work involved. If the

personnel in question do not already possess the

necessary knowledge and skill, appropriate training

and instruction must be provided. If required the

operator may commission the manufacturer/supplier

to provide applicable training.

Always coordinate repair activity with operations and

health and safety personnel, and follow all plant

safety requirements and applicable safety and health

laws and regulations.

1.6.3 Safety action

This is a summary of conditions and actions to

prevent injury to personnel and damage to the

environment and to equipment. For products

used in potentially explosive atmospheres

section 1.6.4 also applies.

NEVER DO MAINTENANCE WORK

WHEN THE UNIT IS CONNECTED TO POWER

GUARDS MUST NOT BE REMOVED WHILE

THE PUMP IS OPERATIONAL

DRAIN THE PUMP AND ISOLATE

PIPEWORK BEFORE DISMANTLING THE PUMP

The appropriate safety precautions should be taken

where the pumped liquids are hazardous.

FLUORO-ELASTOMERS (When fitted.)

When a pump has experienced temperatures over

250 ºC (482 ºF), partial decomposition of fluoro-

elastomers (example: Viton) will occur. In this

condition these are extremely dangerous and skin

contact must be avoided.

HANDLING COMPONENTS

Many precision parts have sharp corners and the

wearing of appropriate safety gloves and equipment

is required when handling these components. To lift

heavy pieces above 25 kg (55 lb) use a crane

appropriate for the mass and in accordance with

current local regulations.

THERMAL SHOCK

Rapid changes in the temperature of the liquid within

the pump can cause thermal shock, which can result

in damage or breakage of components and should

be avoided.

NEVER APPLY HEAT TO REMOVE

IMPELLER

Trapped lubricant or vapor could cause an explosion.

HOT (and cold) PARTS

If hot or freezing components or auxiliary heating

supplies can present a danger to operators and

persons entering the immediate area action must be

taken to avoid accidental contact. If complete

protection is not possible, the machine access must

be limited to maintenance staff only, with clear visual

warnings and indicators to those entering the

immediate area. Note: bearing housings must not be

insulated and drive motors and bearings may be hot.

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Flowserve MENBLOC 60Hz User Manual Page 5

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