{"nhtsa_id":10154973,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-03-25","date":"2019-02-22","document_id":"TSB190032-022220","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR","mfr_system":null,"summary":"This Technical Service Bulletin describes the verification and resolution of bolts that are used to fasten the enclosure onto the generator set are either fractured or missing. The bolts sometimes appear to be intact and then break upon removal. The bolts are suspected to be failing due to hydrogen embrittlement.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10154973-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10154973-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10154973","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"alternator","name":"Alternator","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"CUMMINS","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}