Carefully identify the works in order to realistically estimate the deadline; Completion of the finding sheets and inspection sheets for each vehicle entered for repair and assigned to it; It is not allowed to repair unapproved or improvised systems; Performing final checks and tests after each repair performed; Ensuring appropriate vehicles if they need to be suspended; Establishing the necessary spare parts and materials necessary for the intervention; Carrying out engine repair and maintenance works by: segmenting according to the technical book, repairing the distribution mechanism, capital repair, total or partial; Planning the intervention period in a realistic way; Repairs, wheel angle adjustment;