# Commission Delegated Regulation (EU) 2017/654 of 19 December 2016 supplementing Regulation (EU) 2016/1628 of the European Parliament and of the Council with regard to technical and general requirements relating to emission limits and type-approval for internal combustion engines for non-road mobile machinery, Division 4.2.2.2: Requirement for engine categories IWP, IWA, RLL and RLR

Extent: E+W+S+N.I.

For engines of category IWP, IWA, RLL and RLR, in order to account for safety concerns operation in service mode shall be permitted without limitation on engine torque or speed. In this case whenever an operability restriction would have been active according to point 4.2.2.3 the on-board computer log shall record in non-volatile computer memory all incidents of engine operation where the service mode is active in a manner to ensure that the information cannot be intentionally deleted.
It shall be possible for national inspection authorities to read these records with a scan tool. A description of the connection for, and method to read, those records shall be included in the information folder as set out in Part A of Annex I of Implementing Regulation (EU) 2017/656.

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Source: https://www.legislation.gov.uk/eur/2017/654/annex/VIII/division/4/division/4.2/division/4.2.2/division/4.2.2.2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-654/annex-VIII/division-4/division-4.2/division-4.2.2/division-4.2.2.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.