Further withdrawals of earlier sets occurred until July 1983 when the last two sets of 1942 stock were withdrawn for scrapping, while the 1936 stock had all been withdrawn and scrapped by April of that year.
The removal of earlier sets continued until July 1983, when the last two sets from 1942 were taken out for disposal, while all the 1936 stock had been removed and scrapped by April of that year.