{"nhtsa_id":10233267,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-03-28","date":"2023-03-21","document_id":"SIL 3039","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT","mfr_system":null,"summary":"Altec has learned that the hydraulic ball valve on the hydraulic reservoir return line of HD35A pressure diggers built from September 2014 to November 2022 may not get returned to the open position after being turned to the closed position for maintenance. If the unit is started while the ball valve is in the closed position, the ball valve may become over pressurized and separate, emptying the hydraulic system.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10233267-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10233267-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10233267","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"ALTEC","model":"PRESSURE DIGGER","year_from":2014,"year_to":2022,"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":[]}