the pump started leaking and it's not an option to continue working. I removed it, disassembled it, bought spare parts and assembled it, the process is not complicated.
I'm on VKontakte - https://vk.com/samosval_tyumen
I'm on Odnoklassniki - https://ok.ru/samosval72
VKontakte group - https://vk.com/samosval72rus
KAMAZ on Drive 2 - https://www.drive2.ru/r/other/1540305/