Vacuum lifting devices

• Pages: 107-109

17 Vacuum lifting devices1

17.1. Measuring, warning and pressure-reducing equipment

17.1.1. (1) Every vacuum lifting device should be fitted with a

suitable vacuum gauge or other device that

gives the driver of the lifting appliance of which it forms a part

a visual indication of the state of the vacuum at any time;

is of sufficient size and located in a position such that the gauge

reading may be easily read at the attachment and release

positions of the load; and

is distinctively marked with a red mark to indicate the lowest

vacuum below which the appliance should not be used.

Every vacuum lifting device should be fitted with a device that

gives an audible warning to the driver and any person working in the

vicinity at ground level when the vacuum is 80 per cent or less of the

designed working vacuum, and/or if the vacuum-inducing pump

ceases to operate.

Every vacuum lifting device should be fitted with means

which, in the event of failure of the vacuum-inducing pump, will

maintain sufficient vacuum to continue to support the load suspended

for a sufficient time, including a safety margin, for that load to be

safely deposited from the maximum height of lift of the lifting

appliance to the level of the dock side.

17.2. Vacuum hoses

17.2.1. Every vacuum hose should be of a type suitable for the

purpose.

17.3. Use

17.3.1. A vacuum device should be used only on cargo that is

'See also section 4.2 and Chapters 9 and 20, which are applicable.

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