# 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 3.4.1.4

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

The engine manufacturer shall specify for the service accumulation schedules any adjustment, cleaning, maintenance (where necessary) and scheduled exchange of the following items:
filters and coolers in the exhaust gas recirculation (EGR)
positive crankcase ventilation valve, if applicable
fuel injector tips (only cleaning is permitted)
fuel injectors
turbocharger
electronic engine control unit and its associated sensors and actuators
particulate after-treatment system (including related components)
NOx after-treatment system (including related components)
exhaust gas recirculation (EGR), including all related control valves and tubing
any other exhaust after-treatment system.

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Source: https://www.legislation.gov.uk/eur/2017/654/annex/III/division/3/division/3.4/division/3.4.1/division/3.4.1.4 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-654/annex-III/division-3/division-3.4/division-3.4.1/division-3.4.1.4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.