anx_II__para__19
3.3.1.1. For each engine-aftertreatment system family, the manufacturer shall determine the number of hours of engine running after which the operation of the engine-after-treatment system has stabilised. If requested by the approval authority the manufacturer shall make available the data and analysis used to make this determination. As an alternative, the manufacturer may elect to run the engine for 125 hours to stabilise the engine-aftertreatment system.
← 3.3.1. Start of the service accumulation schedule · All articles · anx_II__para__20 →
Source: EUR-Lex (Cellar) · retrieved 2026-11-10 · Text as adopted (Official Journal); later amendments are not incorporated in this text.