Arnold was a long time resident of Preston, starting in the fencing trade and building his business into a thriving career. In 1949 he was elected to the Preston Council, becoming Mayor in 1954-55. With the continued growth of the family business, including a new factory in Thomastown, Arnold resigned from Council to devote his time to his business.
Arnold was a successful rower with the Preston Club, winning several State titles.
Other achievements including serving as a member of the Advisory Council of the Preston Technical School, being a founding member of the Northcote-Preston Rotary Club and organising fundraising activities for PANCH.
Preston Historical Society. (1968). Brief biographies of prominent Preston People. Preston (Vic.): Author.