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ANNEX IIIU.K.METHOD OF MEASUREMENT OF AIRBORNE NOISE EMITTED BY EQUIPMENT FOR USE OUTDOORS

PART BNOISE TEST CODES FOR SPECIFIC EQUIPMENT

29.HYDRAULIC POWER PACKSU.K.

Operating conditions during testU.K.
Mounting of equipmentU.K.

The hydraulic power pack shall be installed on the reflecting plane; skid-mounted hydraulic power packs shall be placed on a support 0,40 m high, unless otherwise required by the manufacturer's conditions of installation

Test under loadU.K.

During testing, no tools shall be coupled to the hydraulic power pack

The hydraulic power pack shall be brought to its steady state within the range specified by the manufacturer. It shall operate at its nominal speed and its nominal pressure. The nominal speed and pressure are those appearing in the instructions supplied to the purchaser

Period of observationU.K.

The period of observation shall at least be 15 seconds