Engines

• Pages: 129-131

12. Engines

12.1. General provisions

12.1.1. Engines should:

be so constructed and installed that they can be started safely;

be so constructed and installed that the maximui safe speed

cannot be exceeded;

have remote controls for limiting speed; and

have devices that will enable them to be stopped from a safe

place in emergencies.

12.1.2. Engines should be operated by competent persons.

12.1.3. On engines, moving parts such as flywheels, driving

belt pulleys, cranks and crossheads should be enclosed or ade-

quately guarded.

12.2. Internal combustion engines

12.2.1. Starting cranks of internal combustion engines should

have double bearings or be otherwise effectively secured against

kicking back.

12.2.2. Internal combustion engines should not be started up

with oxygen or combustible gases.

12.2.3. Exhaust gases from internal combustion engines should

be so led off that the attendant and other persons in the vicinity are

not exposed to them.

12.2.4. Internal combustion engines, such as those of tractors

and motor vehicles, should not run for long periods of time in

closed premises unless adequate mechanical ventilation is provided

or gases are directly exhausted outside or the equipment is provided

with a fume scrubber.

12.2.5. When internal combustion engines are being fuelled:

(a) suitable equipment such as pumps, hoses and nozzles should

be used;

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